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122037-0121-E1 Briggs and Stratton Engine

Model: 122037-0121-E1

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product name

Air Cleaner, Exhaust System

...
...
11
TUBE, Breather (Flat Panel Air Cleaner) BS-692600
...
11A
TUBE, Breather (High Mount Air Cleaner) BS-693647
...
11B
TUBE, Breather (Ultra Low Mount Air Cleaner) BS-790632
...
161
BASE-AIR CLEANER (Metal) (Flat Panel Air Cleaner) BS-699207
...
161A
BASE, Air Cleaner (Metal) (Ultra Low Mount Air Cleaner) BS-790631
...
163A
GASKET, Air Cleaner (Air Cleaner) BS-792870
...
163B
GASKET, Air Cleaner (Air Cleaner) BS-696024
...
300
MUFFLER BS-693593
...
300A
MUFFLER BS-797433
...
300E
MUFFLER BS-594001
...
346
SCREW (Spark Arrestor) (SAE) BS-690661
...
346
SCREW (Spark Arrestor) (Metric) BS-699203
...
425
SCREW (Air Cleaner Cover) BS-699208
...
425A
SCREW (Air Cleaner Cover) BS-699492
...
445
FILTER, A/C Cartridge (Flat Panel) BS-491588S
...
445A
FILTER-A/C CARTRIDGE (High Mount) BS-697029
...
467
KNOB, Air Cleaner Cover BS-691668
...
613
SCREW (Muffler) BS-791972
...
613A
SCREW (Muffler) BS-699481
...
613B
SCREW (Muffler) (SAE) BS-697812
...
613B
SCREW (Muffler) (Metric) BS-799081
...
676
DEFLECTOR, Muffler BS-796956
...
676A
DEFLECTOR, Muffler BS-697816
...
677
SCREW (Muffler Deflector) (SAE) BS-690661
...
677
SCREW (Muffler Deflector) (Metric) BS-699203
...
677A
SCREW (Muffler Deflector) BS-699776
...
717
STRAP/STUD, Air Cleaner Mounting BS-693462
...
819
SCREW (Muffler Bracket) BS-699233
...
819A
SCREW (Muffler Bracket) BS-699230
...
823
SCREW (Muffler Adapter) BS-791972
...
832
GUARD, Muffler BS-593953
...
832A
GUARD, Muffler BS-697818
...
832B
MUFFLER BS-696516
...
832D
GUARD, Muffler BS-796240
...
836
SCREW (Muffler Guard) BS-699203
...
836A
SCREW (Muffler Guard) BS-699632
...
836C
SCREW (Muffler Guard) BS-699234
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836D
SCREW (Muffler Guard) BS-699204
...
836E
SCREW (Muffler Guard) BS-699755
...
836B
SCREW (Muffler Guard) BS-791972
...
863
BRACKET, Muffler BS-699229
...
864
ADAPTER, Muffler BS-699232
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875
BASE, Air Cleaner (Plastic) (High Mount) Used Before Code Date 12010100 BS-697030
...
875
BASE, Air Cleaner (Plastic) (High Mount) Used After Code Date 11123100 BS-697030
...
883
GASKET-EXHAUST BS-691893
...
883A
GASKET-EXHAUST BS-692237
...
961
SCREW (Air Cleaner Bracket) BS-698304
...
967
FILTER, Air Cleaner Foam (Flat Panel) BS-493537S
...
967A
FILTER-A/C FOAM (High Mount) BS-273356S
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968
COVER, Air Cleaner (Flat Panel) BS-692584
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968A
COVER, Air Cleaner (High Mount) BS-693460
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968B
COVER, Air Cleaner (Ultra Low Mount Air Cleaner) BS-791082
...
971
SCREW (Air Cleaner Base to Carburetor) (SAE) BS-690370
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971
SCREW (Air Cleaner Base to Carburetor) (Metric) BS-798649
...
971A
SCREW (Air Cleaner Base to Carburetor) Used Before Code Date 12010100 BS-690349
...
971A
SCREW (Air Cleaner Base to Carburetor) Used After Code Date 11123100 BS-591307
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971B
SCREW (Air Cleaner Base to Carburetor) BS-699234
...
994
ARRESTOR, Spark BS-593207
...
994A
ARRESTOR, Spark BS-399541

Blower Housing, Electric Starter, Flywheel, Rewind Starter

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...
23
FLYWHEEL BS-592888
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37
GUARD, Flywheel BS-699661
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55
HOUSING, Rewind Starter Used After Code Date 08030200 Used Before Code Date 12010100 BS-791848
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55
HOUSING, Rewind Starter (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-691422
...
58
ROPE, Starter (Rewind Starter Parts Used With 5MM Diameter Starter Rope) Used Before Code Date 08030300 BS-66574
...
58
ROPE, Starter (Cut To Required Length) Used After Code Date 08030200 BS-693389
...
58
ROPE, Starter (Cut To Required Length) (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-693389
...
60
GRIP-STARTER ROPE BS-490652
...
65
SCREW (Rewind Starter) (Metric) BS-699851
...
78
SCREW (Flywheel Guard) BS-699205
...
304
HOUSING, Blower BS-699598
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305
SCREW (Blower Housing) BS-699481
...
309
MOTOR, Starter BS-694504
...
310
SCREW (Starter Motor) BS-690323
...
311
SET, Brush BS-497608
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332
NUT (Flywheel) BS-591988
...
363
PULLER, Flywheel BS-19203
...
455
CUP, Flywheel BS-591302
...
456
PLATE-PAWL FRICTION Used Before Code Date 12010100 BS-692299
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459
PAWL-RATCHET Used Before Code Date 12010100 BS-281505S
...
510
DRIVE-STARTER BS-499308
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513
CLUTCH, Drive BS-692024
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597
SCREW (Pawl Friction Plate) Used Before Code Date 12010100 BS-691696
...
608C
STARTER, Rewind BS-591301
...
675
WASHER (Brush Retainer) BS-691261
...
689
SPRING-FRICTION (Rewind Starter) Used Before Code Date 12010100 BS-691855
...
697
KIT-SCREW/WASHER (Drive Cap) BS-793567
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725
SHIELD, Heat BS-792874
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727
COVER-STARTER DRIVE BS-698039
...
728
SCREW (Heat Shield) BS-699491
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732
SCREW (Starter Drive Cover) BS-699200
...
783
GEAR-PINION BS-692353
...
797
NUT (Brush Retainer) BS-691029
...
801
CAP-DRIVE BS-694482
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802
CAP, End BS-691286
...
1005
FAN-FLYWHEEL BS-555778
...
1005A
FAN, Flywheel BS-794273
...
1051
RING, Retaining BS-691265
...
1070
SCREW (Flywheel Fan) BS-699201
...
1090
RETAINER, Brush BS-691293
...
1210
PULLEY/SPRING ASSEMBLY (Pulley) Used After Code Date 08030200 Used Before Code Date 12010100 BS-791849
...
1210
PULLEY/SPRING ASSY (Pulley) (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-498144
...
1211
PULLEY/SPRING ASSY (Spring) (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-498144
...
1211
PULLEY/SPRING ASSEMBLY (Spring) Used After Code Date 08030200 Used Before Code Date 12010100 BS-791849

Camshaft, Crankshaft, Cylinder, Kits/Gaskets Engine, Piston Group

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...
1
CYLINDER ASSEMBLY BS-699505
...
2
KIT, Bushing/Seal (Magneto Side) BS-796961
...
3
SEAL, Oil (Magneto Side) BS-299819S
...
7
GASKET, Cylinder Head BS-698210
...
12
GASKET, Crankcase BS-699485
...
15
PLUG-OIL DRAIN (Square Head) BS-691686
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15A
PLUG-OIL DRAIN (Flush) BS-691682
...
16
CRANKSHAFT BS-797075
...
20
SEAL-OIL (PTO Side) BS-692550
...
20B
SEAL, Oil (PTO Side) BS-691952
...
24
KEY, Flywheel BS-796335
...
25
PISTON ASSEMBLY (.020 Oversize) BS-799064
...
25
PISTON ASSEMBLY (Standard) BS-799063
...
26
SET, Ring (.020 Oversize) Used After Code Date 05030800 BS-791324
...
26
SET, Ring (Standard) Used Before Code Date 05030900 BS-499631
...
26
SET, Ring (.020 Oversize) Used Before Code Date 05030900 BS-692786
...
26
SET, Ring (Standard) Used After Code Date 05030800 BS-791969
...
27
LOCK-PISTON PIN BS-691866
...
28
PIN-PISTON/STD (Standard) BS-499423
...
29B
ROD, Connecting BS-798813
...
30
DIPPER-CONN ROD BS-791584
...
32
SCREW (Connecting Rod) BS-691664
...
32A
SCREW (Connecting Rod) BS-695759
...
32B
SCREW (Connecting Rod) BS-797437
...
46
CAMSHAFT BS-693404
...
51
GASKET, Intake (2 Required) BS-692555
...
146
KEY, Woodruff BS-690979
...
163A
GASKET, Air Cleaner (Air Cleaner) BS-792870
...
163B
GASKET, Air Cleaner (Air Cleaner) BS-696024
...
306
SHIELD-CYLINDER BS-795334
...
307
SCREW (Cylinder Shield) BS-794822
...
332
NUT (Flywheel) BS-591988
...
357
KEY, Drive Pulley BS-691483
...
358
GASKET SET, Engine BS-791797
...
552
BUSHING, Governor Crank BS-692346
...
615
RETAINER, Governor Shaft BS-692576
...
616
CRANK, Governor BS-692547
...
718
PIN, Locating BS-690959
...
741
GEAR, Timing BS-695087
...
868
SEAL-VALVE BS-795440
...
883
GASKET-EXHAUST BS-691893
...
883A
GASKET-EXHAUST BS-692237
...
993
GASKET-CYL HD PLATE BS-694088
...
1022
GASKET-ROCKER COVER BS-691890
...
1058
MANUAL, Operator's BS-277040
...
1319
LABEL, Warning BS-794467
...
1319A
LABEL, Warning BS-797669
...
1330
MANUAL, Repair BS-272147

Carburetor, Fuel Supply, Kits/Gaskets Carburetor

...
...
51
GASKET, Intake (2 Required) BS-692555
...
95
SCREW (Throttle Valve) BS-691636
...
97
SHAFT, Throttle BS-690024
...
97C
SHAFT, Throttle BS-797628
...
98
KIT-IDLE SPEED (Idle Speed) (Lmt 26, 27, 28, 31) BS-398185
...
98C
KIT, Idle Speed BS-797156
...
104C
PIN, Float Hinge BS-797622
...
105A
VALVE, Float Needle BS-797139
...
108
VALVE-CHOKE BS-692567
...
109
SHAFT, Choke BS-690023
...
109A
SHAFT, Choke BS-693628
...
109C
SHAFT, Choke BS-790624
...
117
JET, Main (Standard) Used Before Code Date 10040100 BS-690048
...
117D
JET, Main (Standard) Used After Code Date 10033100 Used Before Code Date 12010100 BS-798652
...
117D
JET, Main (Standard) Used After Code Date 11123100 BS-591298
...
118
JET, Main (High Altitude) Used Before Code Date 10040100 BS-497315
...
118D
JET, Main (High Altitude) Used After Code Date 10033100 Used Before Code Date 12010100 BS-799178
...
118D
JET, Main (High Altitude) Used After Code Date 11123100 BS-797574
...
121
KIT, Carburetor Overhaul BS-792006
...
121D
KIT, Carburetor Overhaul BS-797634
...
122
SPACER, Carburetor BS-795643
...
125D
CARBURETOR BS-591299
...
127
PLUG-WELCH BS-691739
...
127E
PLUG, Welch BS-797633
...
130
VALVE-THROTTLE BS-691181
...
130D
VALVE, Throttle BS-797630
...
133
FLOAT-CARBURETOR BS-398187
...
133B
FLOAT, Carburetor BS-797136
...
134
KIT-NEEDLE/SEAT BS-398188
...
137
GASKET-FLOAT BOWL BS-693981
...
137C
GASKET, Float Bowl BS-797625
...
163A
GASKET, Air Cleaner (Air Cleaner) BS-792870
...
163B
GASKET, Air Cleaner (Air Cleaner) BS-696024
...
186
CONNECTOR-HOSE BS-692317
...
187
LINE, Fuel (Cut To Required Length) BS-791766
...
187A
LINE, Fuel (Molded) BS-791867
...
187B
LINE, Fuel (Molded) BS-791874
...
187C
LINE, Fuel (Molded) BS-791866
...
190
SCREW (Fuel Tank) BS-597133
...
240
FILTER, Fuel BS-394358S
...
276
WASHER-SEALING BS-271716
...
276C
WASHER, Sealing BS-797632
...
365
SCREW (Carburetor) BS-699484
...
601
CLAMP, Hose BS-791850
...
633
SEAL, Choke/Throttle Shaft BS-693867
...
633A
SEAL-CHOKE/THR SHAFT (Throttle Shaft) BS-691321
...
692
SPRING, Detent (Choke) BS-590931
...
692B
SPRING, Detent BS-797624
...
951
LEVER, Choke BS-790630
...
957
CAP, Fuel Tank (Plastic) (Text Free) BS-795027
...
957
CAP, Fuel Tank (Plastic) (Fresh Start) BS-795027
...
957A
CAP, Fuel Tank (Plastic) (Carbon In Cap) BS-799719
...
958
VALVE, Fuel Shutoff (Plastic) BS-698180
...
972
TANK, Fuel (Plastic) BS-799863
...
975
BOWL, Float BS-796611
...
975C
BOWL, Float BS-797631
...
987B
SEAL, Choke/Throttle Shaft BS-797629

Controls, Governor Spring, Ignition

...
...
188
SCREW (Control Bracket) BS-699479
...
190
SCREW (Fuel Tank) BS-597133
...
209
SPRING, Governor BS-692571
...
222D
BRACKET, Control BS-793107
...
222F
BRACKET, Control BS-793100
...
222E
BRACKET, Control BS-793108
...
227
LEVER, Governor Control BS-794367
...
265
CLAMP, Casing BS-691024
...
267
SCREW (Casing Clamp) BS-699492
...
268
CASING, Control Wire (Cut To Required Length) BS-691025
...
269
WIRE, Control (Cut To Required Length) BS-26634
...
270
NUT (Control Wire Casing) BS-691027
...
271
LEVER, Control BS-691028
...
271A
LEVER, Control BS-694256
...
271B
LEVER, Control BS-695743
...
281
PANEL, Control BS-793122
...
333
ARMATURE, Magneto BS-796964
...
334
SCREW (Magneto Armature) BS-699477
...
347
SWITCH, Rocker BS-697854
...
356
WIRE, Stop BS-693651
...
356A
WIRE, Stop BS-692390
...
356F
WIRE, Stop BS-697397
...
356B
WIRE-STOP BS-692602
...
356C
WIRE, Stop BS-695630
...
356E
WIRE, Stop BS-695814
...
361
SCREW (Starting Switch) BS-691693
...
427
NUT (Control Bracket) (SAE) BS-694255
...
427
NUT (Control Bracket) (Metric) BS-798458
...
474
ALTERNATOR BS-695730
...
493
BRACKET, Mounting BS-691177
...
500B
WASHER (Key Switch) BS-691086
...
501
REGULATOR BS-845907
...
503
STRAP, Starter BS-691532
...
504
SET, Friction Washer BS-695383
...
505
NUT (Governor Control Lever) BS-691251
...
526
SCREW (Regulator) BS-690297
...
562
BOLT (Governor Control Lever) BS-691119
...
564
SCREW (Control Cover) BS-699491
...
564A
SCREW (Control Cover) BS-699206
...
577
CABLE, Starter BS-690795
...
579
NUT (Starter Cable) BS-691029
...
604
COVER-CONTROL BS-697326
...
621
SWITCH, Stop BS-692310
...
632
SPRING/LINK, Mechanical Governor BS-693408
...
663
SCREW (Control Panel) BS-699206
...
664
NUT (Key Switch) BS-691087
...
668
SPACER BS-694257
...
773
RETAINER (Control Bracket) BS-694258
...
789
HARNESS, Wiring BS-797457
...
813
CLAMP BS-690635
...
835
BRACKET, Wire Harness BS-797458
...
843A
SLEEVE, Lever BS-695588
...
851
TERMINAL-SPARK PLUG BS-493880S
...
892A
SWITCH, Key BS-692318
...
920
SOLENOID, Starter BS-691656
...
990A
SET, Key BS-691959
...
1119
SCREW (Alternator) BS-699772
...
1230
STUD (Control Bracket) BS-699847

Crankcase Cover, Gear Reduction, Lubrication

...
...
3
SEAL, Oil (Magneto Side) BS-299819S
...
12
GASKET, Crankcase BS-699485
...
15B
PLUG, Oil Drain BS-792750
...
17
BEARING, Ball BS-798538
...
17B
BEARING-BALL BS-99158
...
18A
COVER, Crankcase BS-699672
...
20
SEAL-OIL (PTO Side) BS-692550
...
20B
SEAL, Oil (PTO Side) BS-691952
...
21
CAP, Oil Fill BS-281658S
...
22
SCREW (Crankcase Cover/Sump) BS-594761
...
79A
CASE, Gear Reduction BS-792746
...
80
GASKET, Gear Case BS-792755
...
82B
SCREW (Gear Reduction Case) BS-792753
...
83A
SHAFT, Auxiliary Drive BS-792756
...
84A
PLUG, Breather BS-792759
...
85A
SCREW (Gear Cover) BS-690711
...
86A
COVER-GEAR BS-792748
...
87A
SEAL, Gear Reduction BS-792752
...
88A
GASKET, Gear Cover/Housing BS-792760
...
170
STUD (Crankcase Cover/Sump) BS-699818
...
219
GEAR, Governor BS-693578
...
220
WASHER (Governor Gear) BS-691724
...
286
MODULE, Oil Sensor BS-794185
...
287
SCREW (Dipstick Tube) BS-699234
...
364
TERMINAL, Oil Plug BS-695693
...
415
PLUG (Crankcase Cover/Sump) BS-693463
...
415B
PLUG BS-792749
...
522
PLUG, Dipstick/Fill BS-798503
...
523
DIPSTICK BS-693618
...
524
SEAL-DIPSTICK TUBE (Dipstick Tube) BS-281370S
...
742
RETAINER, E Ring BS-692564
...
746
GEAR-IDLER BS-790278
...
799
SCREW (Oil Sensor) BS-699202
...
842
SEAL, O-Ring (Dipstick Tube) BS-691031
...
847
DIPSTICK/TUBE ASSEMBLY BS-693617
...
1052
SENSOR, Oil BS-790141
...
1305
SCREW (Oil Sensor Module) BS-699691

Cylinder Head, Kits/Gaskets Valve

...
...
5
HEAD, Cylinder (Metric) BS-594514
...
7
GASKET, Cylinder Head BS-698210
...
13
SCREW (Cylinder Head) BS-699482
...
33
VALVE, Exhaust BS-499642
...
34
VALVE, Intake BS-795443
...
35
SPRING, Valve (Intake) BS-691304
...
36
SPRING, Valve (Exhaust) BS-691304
...
40
RETAINER, Valve BS-692194
...
45
TAPPET, Valve BS-690977
...
51
GASKET, Intake (2 Required) BS-692555
...
122
SPACER, Carburetor BS-795643
...
155
PLATE, Cylinder Head (SAE) Used Before Code Date 09061800 BS-698214
...
155
PLATE, Cylinder Head (Metric) Used After Code Date 09061700 BS-797442
...
192
ADJUSTER. Rocker Arm (Metric) Used After Code Date 09061700 BS-797440
...
192
ADJUSTER-ROCKER ARM (SAE) Used Before Code Date 09061800 BS-694543
...
238
CAP, Valve BS-691300
...
337
PLUG, Spark (EMS) BS-691043
...
337
PLUG, SPARK (Resistor) BS-84007216
...
337
PLUG, SPARK (China Only) BS-84007216
...
383
WRENCH, Spark Plug BS-19576S
...
619
SCREW (Cylinder Head Plate) BS-699481
...
635
BOOT, Spark Plug BS-692076
...
635A
BOOT-SPARK PLUG BS-798619
...
830
STUD, Rocker Arm (Rocker Arm) (Metric) Used After Code Date 09061700 BS-797441
...
830
STUD-ROCKER ARM (Rocker Arm) (SAE) Used Before Code Date 09061800 BS-694544
...
868
SEAL-VALVE BS-795440
...
914
SCREW (Rocker Cover) (Bottom) BS-699481
...
914A
SCREW (Rocker Cover) (Quantity 1 Top Or Center) Used After Code Date 09061700 BS-797444
...
914A
SCREW (Rocker Cover) (Top) Used Before Code Date 09061800 BS-692557
...
914B
SCREW (Rocker Cover) (Center) Used Before Code Date 09061800 BS-691108
...
993
GASKET-CYL HD PLATE BS-694088
...
1022
GASKET-ROCKER COVER BS-691890
...
1023
COVER-ROCKER BS-595245
...
1026
ROD, Push BS-790287
...
1029
ARM, Rocker (SAE) Used Before Code Date 09061800 BS-691230
...
1029
ARM, Rocker (Metric) Used After Code Date 09061700 BS-797443
...
1034
GUIDE, Push Rod BS-691343
...
1095
GASKET SET, Valve BS-791798

Replacement Engine - US & Canada

...
...
xx
Replacement Engine BS-12S4370050
...
xx
Replacement Short Block BS-699585
...
xx
CRANKSHAFT Add Part BS-797075
...
xx
CRANKSHAFT Remove Part BS-797072