Parts ManualParts ManualParts ManualParts Manual
Mfg. No: 40T876-0001-G1
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025
Table Of ContentsTable Of ContentsTable Of ContentsTable Of Contents
Model ComponentsModel ComponentsModel ComponentsModel Components PagePagePagePage
Alternator Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Blower Housing and Air Cleaner Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Carburetor and Fuel Supply Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Controls Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Crankshaft Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Cylinder Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Cylinder Head Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Flywheel, Ignition, and Starter Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Lubrication Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Service Parts and Tools Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Sump Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Model 40, 44 & 49 Engine Accessories Catalog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Maintenance Kits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Engine Mounted Below Deck Mufflers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Engine Mounted Above Deck Mufflers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Spark Arrester/Deflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Implement Mounted Above Deck Mufflers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Exhaust/Muffler Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Electrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Flywheel Guards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Speed Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Muffler Mounting Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
3 04-Sep-2025
Alternator GroupAlternator GroupAlternator GroupAlternator Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
4 04-Sep-2025
Alternator GroupAlternator GroupAlternator GroupAlternator Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
474 592829 1 ALTERNATOR
-(5/9 Amp. Regulated)
501 698315 1 REGULATOR
526 691108 1 SCREW
-(Regulator)
729 593826 1 CLIP, Wire
1059 698516 1 KIT, Screw/Washer
1119 691183 4 SCREW
-(Alternator)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
5 04-Sep-2025
Blower Housing and Air Cleaner GroupBlower Housing and Air Cleaner GroupBlower Housing and Air Cleaner GroupBlower Housing and Air Cleaner Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
6 04-Sep-2025
Blower Housing and Air Cleaner GroupBlower Housing and Air Cleaner GroupBlower Housing and Air Cleaner GroupBlower Housing and Air Cleaner Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
163 ----- GASKET, Air Cleaner
-(Part information located in Carburetor and Fuel Supply Group.)
186A ----- CONNECTOR, Hose
-(Part information located in Carburetor and Fuel Supply Group.)
186B ----- CONNECTOR, Hose
-(Part information located in Carburetor and Fuel Supply Group.)
304 799957 HOUSING, Blower
305 691130 SCREW
-(Blower Housing)
305A 594618 SCREW
-(Blower Housing)
431 799097 ELBOW, Intake
445 595536 FILTER, A/C Cartridge
445A 798897 FILTER, A/C Cartridge
467 790697 KNOB, Air Cleaner Cover
496 799095 LEVER, Air Cleaner Filter
563A 698425 SCREW
-(Debris Screen Guard)
608 595133 STARTER, Rewind
875 799094 BASE, Air Cleaner
918 ----- HOSE, Vacuum
-(Part information located in Carburetor and Fuel Supply Group.)
949A 595142 GUARD, Debris Screen
964 799159 CAP, Connector
967 593217 FILTER, Pre Cleaner
968 799102 COVER, Air Cleaner
971 698304 SCREW
-(Air Cleaner Base to Carburetor/Throttle Body)
997 592782 COVER, Blower Housing
1319 794467 LABEL, Warning
-(REQUIRED When Replacing Parts With Warning Labels Affixed)
1319A 797669 LABEL, Warning
-(REQUIRED When Replacing Parts With Warning Labels Affixed)
1406 799096 VALVE, Debris
1477 799093 SCREW
-(Debris Shield)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
7 04-Sep-2025
Carburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
8 04-Sep-2025
Carburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
51A ----- GASKET, Intake
-(Part information located in Cylinder Head Group.)
50 ----- MANIFOLD, Intake
-(Part information located in Cylinder Head Group.)
51 ----- GASKET, Intake
-(Part information located in Cylinder Head Group.)
54 ----- SCREW
-(Part information located in Cylinder Head Group.)
53 690951 STUD
-(Carburetor)
93 845864 BUSHING, Throttle Shaft
95 690718 SCREW
-(Throttle Valve)
98 699721 KIT, Idle Speed
104 694918 PIN, Float Hinge
105 797410 VALVE, Float Needle
108 699723 VALVE, Choke
117 842585 JET, Main
-(Standard)
118 792296 JET, Main
-(High Altitude)
121 ----- KIT, Carburetor Overhaul
-(Part information located in Service Parts and Tools Group.)
122 593425 SPACER, Carburetor
125 595795 CARBURETOR
130 690993 VALVE, Throttle
131 799113 KIT, Throttle Shaft
133 699724 FLOAT, Carburetor
135 699729 TUBE, Fuel Transfer
137 690994 GASKET, Float Bowl
141 799112 KIT, Choke Shaft
142 796871 NOZZLE, Carburetor
150 841649 GASKET, Nozzle
163 691001 GASKET, Air Cleaner
186A 799158 CONNECTOR, Hose
186B 845141 CONNECTOR, Hose
187 791766 LINE, Fuel
216 ----- LINK, Choke
-(Part information located in Controls Group.)
217 799771 SPRING, Choke Return
231 690718 SCREW
-(Choke Valve)
240 845125 FILTER, Fuel
276 695410 WASHER, Sealing
385 797409 SCREW
-(Fuel Pump)
387 808656 PUMP, Fuel
418 795912 PLATE, Carburetor Cover
601 691038 CLAMP, Hose
633 690722 SEAL, Choke/Throttle Shaft
654 690958 NUT
-(Carburetor)
672 690234 GASKET, Carburetor Plate
703 691010 CLIP
918 799160 HOSE, Vacuum
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
9 04-Sep-2025
Carburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
10 04-Sep-2025
Carburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply GroupCarburetor and Fuel Supply Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
950 694919 SCREW
-(Float Bowl)
964 ----- CAP, Connector
-Blower Housing and Air Cleaner Group
971 ----- SCREW
-(Part information located in Blower Housing and Air Cleaner Group.)
975 799114 BOWL, Float
987 808183 SEAL, Choke/Throttle Shaft
1124 841653 SEAL, O-Ring
-(Fuel Transfer Tube)
1124A 690988 SEAL, O-Ring
-(Fuel Transfer Tube)
1126 690991 SCREW
-(Fuel Transfer Tube)
1127 695407 SCREW
-(Float Bowl) (Float Bowl to Carburetor Body)
1128 690990 SCREW
-(Carburetor Nozzle)
1169 690990 SCREW
-(Carburetor Cover Plate)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
11 04-Sep-2025
Controls GroupControls GroupControls GroupControls Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
12 04-Sep-2025
Controls GroupControls GroupControls GroupControls Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
188 691108 SCREW
-(Control Bracket)
212 695238 LINK, Throttle
213 799510 BRACKET, Choke Control
216 691022 LINK, Choke
222 798916 BRACKET, Control
227 798856 LEVER, Governor Control
265 691024 CLAMP, Casing
267 792629 SCREW
-(Casing Clamp)
505 691029 NUT
-(Governor Control Lever)
537 594918 KIT, Governor/Idle Spring
562 690311 BOLT
-(Governor Control Lever)
789 695050 HARNESS, Wiring
789A 595243 HARNESS, Wiring
929 691003 SCREW
-(Choke Control Bracket)
929A 794904 SCREW
-(Choke Control Bracket)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
13 04-Sep-2025
Crankshaft GroupCrankshaft GroupCrankshaft GroupCrankshaft Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
14 04-Sep-2025
Crankshaft GroupCrankshaft GroupCrankshaft GroupCrankshaft Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
16 595707 1 CRANKSHAFT
24 222698S 1 KEY, Flywheel
25 793647 2 PISTON ASSEMBLY
-(Standard)
25 793648 2 PISTON ASSEMBLY
-(.020" Oversize)
26 791787 2 SET, Ring
-(Standard)
26 791792 2 SET, Ring
-(.020" Oversize)
27 690975 2 LOCK, Piston Pin
28 593650 2 PIN, Piston
29 796209 2 ROD, Connecting
32 690976 4 SCREW
-(Connecting Rod)
45 ----- 2 TAPPET, Valve
-(Part information located in Cylinder Head Group.)
46 797242 1 CAMSHAFT
377 690979 1 KEY, Woodruff
741 690980 1 GEAR, Timing
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
15 04-Sep-2025
Cylinder GroupCylinder GroupCylinder GroupCylinder Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
16 04-Sep-2025
Cylinder GroupCylinder GroupCylinder GroupCylinder Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
1 594969 CYLINDER ASSEMBLY
2 797673 KIT, Bushing/Seal
-(Magneto Side)
3 391086S SEAL, Oil
-(Magneto Side)
7 ----- GASKET, Cylinder Head
-(Part information located in Cylinder Head Group.)
10 691108 SCREW
-(Breather Assembly)
11 594163 TUBE, Breather
20 ----- SEAL, Oil
-(Part information located in Crankcase Cover/Sump Group.)
22 ----- SCREW
-(Part information located in Crankcase Cover/Sump Group.)
51 ----- GASKET, Intake
-(Part information located in Cylinder Head Group.)
163 ----- GASKET, Air Cleaner
-(Part information located in Carburetor and Fuel Supply Group.)
227 ----- LEVER, Governor Control
-(Part information located in Controls Group.)
306 796852 SHIELD-CYLINDER
306A 591666 SHIELD-CYLINDER
307 691003 SCREW
-(Cylinder Shield)
307A 691108 SCREW
-(Cylinder Shield)
358 ----- GASKET SET, Engine
-(Part information located in Service Parts and Tools Group.)
405 594937 SCREW
-(Back Plate)
415 ----- PLUG
-(Part information located in Crankcase Cover/Sump Group.)
447 691003 SCREW
-(Air Guide Cover)
505 ----- NUT
-(Part information located in Controls Group.)
524 ----- SEAL, O-Ring
-(Part information located in Lubrication Group.)
540 594325 PLATE, Baffle
562 ----- BOLT
-(Part information located in Controls Group.)
573 595758 PLATE, Back
584 594164 COVER, Breather Passage
618 594326 SCREW
-(Baffle Plate)
691 ----- SEAL, Governor Shaft
-(Part information located in Crankcase Cover/Sump Group.)
718 690959 PIN, Locating
718A 594988 PIN, Locating
842 ----- SEAL, O-Ring
-(Part information located in Lubrication Group.)
850 ----- SEALANT, Liquid
-(Part information located in Service Parts and Tools Group.)
865 591667 COVER, Air Guide
868 ----- SEAL, Valve
-(Part information located in Cylinder Head Group.)
883 ----- GASKET, Exhaust
-(Part information located in Cylinder Head Group.)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
17 04-Sep-2025
Cylinder GroupCylinder GroupCylinder GroupCylinder Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
18 04-Sep-2025
Cylinder GroupCylinder GroupCylinder GroupCylinder Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
943 ----- SEAL, O-Ring
-(Part information located in Crankcase Cover/Sump Group.)
1263 594166 REED, Breather
1264 594165 SCREW
-(Breather Reed)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
19 04-Sep-2025
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
20 04-Sep-2025
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
3 ----- SEAL, Oil
-(Part information located in Cylinder Group.)
5 796231 HEAD, Cylinder
5A 796232 HEAD, Cylinder
7 693997 GASKET, Cylinder Head
13 592244 SCREW
-(Cylinder Head)
20 ----- SEAL, Oil
-(Part information located in Crankcase Cover/Sump Group.)
22 ----- SCREW
-(Part information located in Crankcase Cover/Sump Group.)
33 697576 VALVE, Exhaust
34 792200 VALVE, Intake
35 694865 SPRING, Valve
-(Intake)
36 694865 SPRING, Valve
-(Exhaust)
42 499586 KEEPER, Valve
45 690977 TAPPET, Valve
50 797503 MANIFOLD, Intake
51 690949 GASKET, Intake
51A 594427 GASKET, Intake
53 ----- STUD
-(Part information located in Carburetor and Fuel Supply Group.)
54 699816 SCREW
-(Intake Manifold)
163 ----- GASKET, Air Cleaner
-(Part information located in Carburetor and Fuel Supply Group.)
186A ----- CONNECTOR, Hose
-(Part information located in Carburetor and Fuel Supply Group.)
186B ----- CONNECTOR, Hose
-(Part information located in Carburetor and Fuel Supply Group.)
192 690083 ADJUSTER. Rocker Arm
337 491055S PLUG, Spark
337 84007216 PLUG, SPARK
-(China Only)
358 ----- GASKET SET, Engine
-(Part information located in Service Parts and Tools Group.)
383 ----- WRENCH, Spark Plug
-(Part information located in Service Parts and Tools Group.)
524 ----- SEAL, O-Ring
-(Part information located in Lubrication Group.)
613 690341 SCREW
-(Muffler)
635 692076 BOOT, Spark Plug
654 ----- NUT
-(Part information located in Carburetor and Fuel Supply Group.)
691 ----- SEAL, Governor Shaft
-(Part information located in Crankcase Cover/Sump Group.)
798 697890 SCREW
-(Rocker Arm)
842 ----- SEAL, O-Ring
-(Part information located in Lubrication Group.)
850 ----- SEALANT, Liquid
-(Part information located in Service Parts and Tools Group.)
868 690968 SEAL, Valve
883 690970 GASKET, Exhaust
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
21 04-Sep-2025
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
22 04-Sep-2025
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
914 691127 SCREW
-(Rocker Cover)
918 596163 HOSE, Vacuum
-Used Before Code Date 19091800
918 593641 HOSE, Vacuum
-Used After Code Date 19091700
943 ----- SEAL, O-Ring
-(Part information located in Crankcase Cover/Sump Group.)
964 ----- CAP, Connector
-Blower Housing and Air Cleaner Group
1023 499600 COVER, Rocker
1023A 793146 COVER, Rocker
1026 690981 ROD, Push
-(Steel)
1026A 690982 ROD, Push
-(Aluminum)
1029 690972 ARM, Rocker
1029A 807323 ARM, Rocker
1095 ----- GASKET SET, Valve
-(Part information located in Service Parts and Tools Group.)
1100 791959 PIVOT, Rocker Arm
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
23 04-Sep-2025
Flywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
24 04-Sep-2025
Flywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
23 594169 1 FLYWHEEL
55 595248 1 HOUSING, Rewind Starter
56 695129 1 PULLEY, Starter
57 695131 1 SPRING, Rewind Starter
58 695132 1 ROPE, Starter
60 595253 1 GRIP, Starter Rope
65 799360 4 SCREW
-(Rewind Starter)
75 691056 1 WASHER
-(Flywheel)
332 691059 1 NUT
-(Flywheel)
333 592846 2 ARMATURE, Magneto
334 691061 4 SCREW
-(Magneto Armature)
363 19621 1 PULLER, Flywheel
455 595143 1 CUP, Flywheel
456 695128 1 PLATE, Pawl Friction
459 281505S 1 PAWL-RATCHET
597 595247 1 SCREW
-(Pawl Friction Plate)
608 595133 1 STARTER, Rewind
689 691855 1 SPRING-FRICTION
934 593638 4 SCREW
-(Fan Retainer)
1005 593640 1 FAN, Flywheel
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
25 04-Sep-2025
Lubrication GroupLubrication GroupLubrication GroupLubrication Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
26 04-Sep-2025
Lubrication GroupLubrication GroupLubrication GroupLubrication Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
186 796532 CONNECTOR, Hose
287 697820 SCREW
-(Dipstick Tube)
305 ----- SCREW
-(Part information located in Blower Housing and Air Cleaner Group.)
400 796862 COOLER, Oil
448 799103 BRACKET, Oil Cooler
512 594200 HOSE, Oil Drain
523 594528 DIPSTICK
524 691032 SEAL, O-Ring
-(Dipstick Tube)
525 691037 TUBE, Dipstick
601 841597 CLAMP, Hose
829 799104 HOSE, Oil Cooler
829 799104 HOSE, Oil Cooler
842 691031 SEAL, O-Ring
-(Dipstick Cap)
847 594609 DIPSTICK/TUBE ASSEMBLY
1027 696854 FILTER, Oil
1028 796864 ADAPTER, Oil Filter
1366 799131 DIVERTER, Oil Cooler
1373 695629 SCREW
-(Oil Cooler Bracket)
1374 796863 SEAL, O-Ring
-(Oil Cooler Diverter)
1373A 799105 SCREW
-(Oil Cooler Bracket)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
27 04-Sep-2025
Service Parts and Tools GroupService Parts and Tools GroupService Parts and Tools GroupService Parts and Tools Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
28 04-Sep-2025
Service Parts and Tools GroupService Parts and Tools GroupService Parts and Tools GroupService Parts and Tools Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
121 799132 KIT, Carburetor Overhaul
-(Service Kits may include extra parts not specific to this engine.)
358 799117 GASKET SET, Engine
-(Service Kits may include extra parts not specific to this engine.)
363 19621 PULLER, Flywheel
383 19576S WRENCH, Spark Plug
850 100106 SEALANT, Liquid
1095 694013 GASKET SET, Valve
-(Service Kits may include extra parts not specific to this engine.)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
29 04-Sep-2025
Sump GroupSump GroupSump GroupSump Group
Mfg. No: 40T876-0001-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
30 04-Sep-2025
Sump GroupSump GroupSump GroupSump Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
3 ----- SEAL, Oil
-(Part information located in Cylinder Group.)
4 594973 SUMP, Engine
7 ----- GASKET, Cylinder Head
-(Part information located in Cylinder Head Group.)
20 795387 SEAL, Oil
-(PTO Side)
22 694966 SCREW
-(Crankcase Cover/Sump)
45 ----- TAPPET, Valve
-(Part information located in Cylinder Head Group.)
46 ----- CAMSHAFT
-(Part information located in Crankshaft Group.)
51 ----- GASKET, Intake
-(Part information located in Cylinder Head Group.)
163 ----- GASKET, Air Cleaner
-(Part information located in Carburetor and Fuel Supply Group.)
219 793338 GEAR, Governor
220 799772 WASHER
-(Governor Gear)
221 841026 CUP, Governor
358 ----- GASKET SET, Engine
-(Part information located in Service Parts and Tools Group.)
404 690442 WASHER
-(Governor Crank)
415 794903 PLUG
524 ----- SEAL, O-Ring
-(Part information located in Lubrication Group.)
552 690553 BUSHING, Governor Crank
552A 796638 BUSHING, Governor Crank
615 698290 RETAINER, Governor Shaft
616 691045 CRANK, Governor
691 790574 SEAL, Governor Shaft
718 ----- PIN, Locating
-(Part information located in Cylinder Group.)
718A ----- PIN, Locating
-(Part information located in Cylinder Group.)
742 690328 RETAINER, E Ring
750 796208 SCREW
-(Oil Pump Cover)
842 ----- SEAL, O-Ring
-(Part information located in Lubrication Group.)
850 ----- SEALANT, Liquid
-(Part information located in Service Parts and Tools Group.)
868 ----- SEAL, Valve
-(Part information located in Cylinder Head Group.)
883 ----- GASKET, Exhaust
-(Part information located in Cylinder Head Group.)
943 796222 SEAL, O-Ring
-(Oil Pump Cover)
965 796221 COVER, Oil Pump
1017 796214 SCREEN, Oil Pump
1024 796220 PUMP, Oil
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
31 04-Sep-2025
Model 40, 44 & 49 EngineModel 40, 44 & 49 EngineModel 40, 44 & 49 EngineModel 40, 44 & 49 Engine
Accessories CatalogAccessories CatalogAccessories CatalogAccessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025
Maintenance KitsMaintenance KitsMaintenance KitsMaintenance Kits
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
33 04-Sep-2025
Maintenance KitsMaintenance KitsMaintenance KitsMaintenance Kits
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
9000 84002442 KIT, Maintenance
-(Intek / EXi V-Twin Engines) (Do not use with Home Standby Generators.)
9000A 84002317 KIT, Maintenance
-(Professional Series™ V-Twin Engines) (Do not use with Home Standby
Generators.)
9000B 84002316 KIT, Maintenance
-(Commercial Series V-Twin Engines) (Do not use with Home Standby
Generators.)
9000C 84002318 KIT, Maintenance
-(Oil Guard™ Engines) (Do not use with Home Standby Generators.)
9000D 84002315 KIT, Maintenance
-(Non-Oil Guard™ Engines) (Do not use with Home Standby Generators.)
9000E 84007695 KIT, Maintenance
-Commercial - CXi V-Twin Engines (Do not use with Home Standby Generators.)
240 84001895 1 FILTER, Fuel
-(40 Micron)
240A 845125 1 FILTER, Fuel
-(20 Micron)
337 491055S 2 PLUG, Spark
337A 496018S 2 PLUG, Spark
445 594201 1 FILTER, A/C Cartridge
445A 792105 1 FILTER, A/C Cartridge
445B 798897 1 FILTER, A/C Cartridge
445C 841497 1 FILTER, A/C Cartridge
967 797704 1 FILTER, Pre Cleaner
967A 593217 1 FILTER, Pre Cleaner
1027 492932S 1 FILTER, Oil
-(Standard)
1027A 696854 1 FILTER, Oil
-(Premium)
1027B 842921 1 FILTER, Oil
-(Vanguard®)
1027C 84007094 1 FILTER, Oil
-(Oil Guard™)
1027D 84007055 1 FILTER, Oil
-(Oil Xtend™)
1505 100005 OIL-4 CYCLE 30W 18OZ.
-(18 oz. Bottle)
1505A 100028 OIL-4 CYCLE30W 48OZ
-(48 oz. Bottle)
1505B 100170 OIL-5QT VANGUARD (CASE)
-(5 qt. Bottle)
1505C 100169 OIL-1QT VANGUARD (CASE)
-(1 qt. Bottle)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
34 04-Sep-2025
Engine Mounted Below Deck MufflersEngine Mounted Below Deck MufflersEngine Mounted Below Deck MufflersEngine Mounted Below Deck Mufflers
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
35 04-Sep-2025
Engine Mounted Below Deck MufflersEngine Mounted Below Deck MufflersEngine Mounted Below Deck MufflersEngine Mounted Below Deck Mufflers
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
300 594584 1 KIT-MUFFLER/GUARD
-(Oil Filter Side Outlet) (Engine Supported) (O2 Sensor Port)
300A 593877 1 MUFFLER
-(Starter Side Outlet) (Engine Supported) (O2 Sensor Port)
300B 594583 1 MUFFLER
-(Starter Side Outlet) (Engine Supported) (No O2 Sensor Port)
300C 692120 1 MUFFLER
-(Starter Side Outlet) (No O2 Sensor Port)
415 596859 1 PLUG
-(O2 Sensor Port)
613 690341 4 SCREW
-(Muffler)
613A 690363 4 SCREW
-(Muffler)
883 594365 2 GASKET, Exhaust
883A 690970 2 GASKET, Exhaust
1177 690941 4 NUT
-(Muffler)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
36 04-Sep-2025
Engine Mounted Above Deck MufflersEngine Mounted Above Deck MufflersEngine Mounted Above Deck MufflersEngine Mounted Above Deck Mufflers
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
37 04-Sep-2025
Engine Mounted Above Deck MufflersEngine Mounted Above Deck MufflersEngine Mounted Above Deck MufflersEngine Mounted Above Deck Mufflers
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
300C 595138 1 MUFFLER
-(Oil Filter Side Outlet) (Self-Supporting) (O2 Sensor Port)
300D 595139 1 MUFFLER
-(Starter Side Outlet) (Self-Supporting) (O2 Sensor Port)
415 596859 1 PLUG
-(O2 Sensor Port)
883 594365 2 GASKET, Exhaust
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
38 04-Sep-2025
Spark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/Deflector
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
39 04-Sep-2025
Spark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/Deflector
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
676 593869 1 DEFLECTOR, Muffler
-(For Below Deck Mufflers Only)
994 593885 1 ARRESTOR, Spark
-(For Below Deck Mufflers Only)
994A 593868 1 ARRESTOR, Spark
-(For Below Deck Mufflers Only)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
40 04-Sep-2025
LubricationLubricationLubricationLubrication
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
41 04-Sep-2025
LubricationLubricationLubricationLubrication
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
186 796532 1 CONNECTOR, Hose
-(Threaded Engine Block Connector for EZ-Oil Drain Hose) (Order hose
separate)
239 690233 1 SWITCH, Oil Pressure
-(2-4 PSI Normally-Closed Switch)
239A 491657S 1 SWITCH, Oil Pressure
-(3-5 PSI Normally-Closed Switch)
239B 841281 1 SWITCH, Oil Pressure
-(7-10 PSI Normally-Closed Switch)
239C 694115 1 SWITCH, Oil Pressure
-(9-13 PSI Normally-Closed Switch)
239D 697049 1 SWITCH, Oil Pressure
-(3-6 PSI Normally-Open Switch)
295B 594271 1 ADAPTER, Remote Oil Filter
-(Remote Oil Filter Kit)
512 594200 1 HOSE, Oil Drain
-(EZ-Oil Drain Hose, 10.5") (Order threaded engine block connector separate)
512 593635 1 HOSE, Oil Drain
-(EZ-Oil Drain Hose, 13.75") (Order threaded engine block connector separate)
512B 1723165SM 1 HOSE, Oil Drain, 10-1/2" Long, 3/8-18 Fittings
-(10.5")
512C 5048681SM 1 HOSE, OIL DRAIN
-(12.5")
517 593633 1 RETAINER, Oil Drain
601 841597 4 CLAMP, Hose
1013 690954 1 NIPPLE, Oil Filter
1346 844802 1 VALVE, Oil Drain Shut Off
1346A 492031 1 VALVE, Oil Drain Shut Off
1346B 5401WEB 1 VALVE, Oil Drain Shut Off
-(1/4 Turn Oil Drain Valve with Hose)
1374 796863 1 SEAL, O-Ring
1505 100169 OIL-1QT VANGUARD (CASE)
-(1 qt. Bottle)
1505A 100170 OIL-5QT VANGUARD (CASE)
-(5 qt. Bottle)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
42 04-Sep-2025
Implement Mounted Above Deck MufflersImplement Mounted Above Deck MufflersImplement Mounted Above Deck MufflersImplement Mounted Above Deck Mufflers
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
43 04-Sep-2025
Implement Mounted Above Deck MufflersImplement Mounted Above Deck MufflersImplement Mounted Above Deck MufflersImplement Mounted Above Deck Mufflers
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
300A 594585 1 MUFFLER
-(Oil Filter Side Outlet) (Implement Supported) (O2 Sensor Port)
300B 595134 1 MUFFLER
-(Oil Filter Side Outlet) (O2 Sensor Port)
300C 595135 1 MUFFLER
-(Starter Side Outlet) (O2 Sensor Port)
300D 595136 1 MUFFLER
-(Oil Filter Side Outlet)
264 703465 4 NUT, 5/16-18, GR5
-(Muffler Adapter)
355 5025292SM 4 WASHER, 5/16" GD.9 FL
-(Muffler Bracket)
355A 5025155SM 2 WASHER, 5/16
-(Muffler Bracket)
415 596859 1 PLUG
-(O2 Sensor Port)
437 703585 4 CAPSCREW, 5/16-18X1
-(Exhaust Manifold)
740 703164 2 NUT
-(Muffler Bracket)
740A 703115 2 NUT
-(Muffler Bracket)
819 690341 4 SCREW
-(Muffler Bracket)
863 597480 1 BRACKET, Muffler
883 594365 2 GASKET, Exhaust
883A 690970 2 GASKET, Exhaust
1176 690941 4 NUT
-(Exhaust Manifold)
1317 703116 4 LCKWSHR
-(Exhaust Manifold)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
44 04-Sep-2025
Exhaust/Muffler ConfigurationsExhaust/Muffler ConfigurationsExhaust/Muffler ConfigurationsExhaust/Muffler Configurations
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
45 04-Sep-2025
Exhaust/Muffler ConfigurationsExhaust/Muffler ConfigurationsExhaust/Muffler ConfigurationsExhaust/Muffler Configurations
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
300A 771127 1 MUFFLER
-(Oil Filter Side Outlet)(Commercial & Professional Series)
300B 771128 1 MUFFLER
-(Starter Side Outlet)(Commercial & Professional Series)
300C 595822 1 MUFFLER
-(Starter Side Outlet)(Commercial & Professional Series)
300D 84003680 1 MUFFLER
-(Oil Filter Side Outlet) (Commercial & Professional Series)(Vanguard 810 & 810
EFI) (Compatible with 593868 Spark Arrester, 593885 Spark Arrester with
Deflector.) (Equipped with plug for blocking off O2 sensor port for non EFI
engines.)
437 690341 4 SCREW
-(Exhaust Manifold)
740 704067 2 NUT, HEX FLNG,5/16-18
-(Muffler Bracket)
819 592604 2 SCREW
-(Muffler Bracket)
819A 695629 4 SCREW
-(Muffler Bracket)
819B 692062 2 SCREW
-(Muffler Bracket)
883 594365 2 GASKET, Exhaust
884 691956 1 CLAMP, Muffler
1176 690941 4 NUT
-(Exhaust Manifold)
1177 793859 1 NUT
-(Muffler)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
46 04-Sep-2025
ElectricalElectricalElectricalElectrical
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
47 04-Sep-2025
ElectricalElectricalElectricalElectrical
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
578 84007350 1 WIRE ASSEMBLY
-(Wire Harness Adapter Aids in repowering engine application with Male 6-Pin
connector and wires create custom adapter configurations.)
578A 19631 1 TOOL, CUSTOM HARNESS
-(6-pin Wire Harness Adapter) (Aids in repowering engine application to an EFI
engine)
853 84003359 1 ADAPTER, WIRE
-(Wire Harness Adapter) (Aids in repowering ExMark) (Flat 6-spade connector
to Briggs & Stratton 6-Pin connector)
920 84002147 1 SOLENOID, STARTER
-(Starter Solenoid Kit) (Aids in Repowering when original is solenoid shift)
983 5103809YP 1 LIGHT, Indicator
-(MIL Light Indicator) (LED Red)
1616 19626 1 CODE READER
-(Tiny Scan Code Reader)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
48 04-Sep-2025
Flywheel GuardsFlywheel GuardsFlywheel GuardsFlywheel Guards
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
49 04-Sep-2025
Flywheel GuardsFlywheel GuardsFlywheel GuardsFlywheel Guards
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
563 698425 1 SCREW
-(Debris Screen Guard)
563A 597574 1 SCREW
-(Debris Screen Guard)
563B 799359 1 SCREW
-(Debris Screen Guard)
949 799357 1 GUARD, Debris Screen
-(Static Cover Flywheel) (Requires 4 x 799360 Screw)
949A 797420YP 1 GUARD, Debris Screen
-(Static Cover Flywheel High Flow) (Requires 4 x 799360 Screw)
949B 593206 1 GUARD, Debris Screen
-(Static Cover Flywheel) (Requires 4 x 799359 Screw)
949C 597573 1 GUARD, Debris Screen
-(Wire Static Flywheel Cover) (Requires 4x 597574 Screw) (For Commercial
Series)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
50 04-Sep-2025
Speed ControlSpeed ControlSpeed ControlSpeed Control
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
51 04-Sep-2025
Speed ControlSpeed ControlSpeed ControlSpeed Control
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
265 691024 1 CLAMP, Casing
-(Casing Clamp for Hard Casing)
265A 690798 1 CLAMP, Casing
-(Casing Clamp for Soft Casing)
267 792629 1 SCREW
-(Screw for Casing Clamp)
269 93907 1 WIRE, Control
-(Control Wire 100')
271 691028 1 LEVER, Control
-(Speed Control Lever Assembly)
271A 692105 1 LEVER, Control
-(“L” formed end Speed Control Lever Assembly)
271B 692541 1 LEVER, Control
-(“Z” formed end Speed Control Lever Assembly)
416 595196 1 BRACKET, Throttle Cable
-(Casing Clamp for Snap-In Casing)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
52 04-Sep-2025
Muffler Mounting HardwareMuffler Mounting HardwareMuffler Mounting HardwareMuffler Mounting Hardware
Model 40, 44 & 49 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
53 04-Sep-2025
Muffler Mounting HardwareMuffler Mounting HardwareMuffler Mounting HardwareMuffler Mounting Hardware
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
264 703465 4 NUT, 5/16-18, GR5
-(Muffler Adapter)
296 591756 4 STUD
-(Muffler)
355 5025292SM 4 WASHER, 5/16" GD.9 FL
-(Muffler Bracket)
355A 5025155SM 2 WASHER, 5/16
-(Muffler Bracket)
613 690341 4 SCREW
-(Muffler)
613A 690363 4 SCREW
-(Muffler)
863 597480 1 BRACKET, Muffler
883 594365 2 GASKET, Exhaust
883A 690970 2 GASKET, Exhaust
1177 690941 4 NUT
-(Muffler)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
54 04-Sep-2025
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025
