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product name

121A12-0022-E1 Briggs and Stratton Engine

Model: 121A12-0022-E1

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product name

Air Cleaner, Controls, Exhaust System, Governor Spring, Ignition

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11A
TUBE, Breather (High Mount Air Cleaner) BS-693647
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11B
TUBE, Breather (Ultra Low Mount Air Cleaner) BS-790632
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161A
BASE, Air Cleaner (Metal) BS-790631
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163
GASKET, Air Cleaner (Ultra Low Mount Air Cleaner) BS-696024
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163A
GASKET, Air Cleaner (High Mount Air Cleaner) BS-792870
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188
SCREW (Control Bracket) BS-699479
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190
SCREW (Fuel Tank) BS-597133
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209
SPRING, Governor BS-692571
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209A
SPRING, Governor BS-691278
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222
BRACKET, Control Used Before Code Date 06051500 BS-793107
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222D
BRACKET, Control Used After Code Date 06051400 BS-793107
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227
LEVER, Governor Control BS-794367
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265
CLAMP, Casing BS-691024
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267
SCREW (Casing Clamp) BS-699492
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268
CASING, Control Wire (Cut To Required Length) BS-691025
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269
WIRE, Control (Cut To Required Length) BS-26634
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270
NUT (Control Wire Casing) BS-691027
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271
LEVER, Control BS-691028
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271A
LEVER, Control BS-694256
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281
PANEL, Control BS-793122
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300
MUFFLER BS-693593
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333
ARMATURE, Magneto BS-796964
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334
SCREW (Magneto Armature) BS-699477
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356
WIRE, Stop BS-693651
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356A
WIRE, Stop BS-692390
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425A
SCREW (Air Cleaner Cover) BS-699492
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427
NUT (Control Bracket) (SAE) BS-694255
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427
NUT (Control Bracket) (Metric) BS-798458
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445
FILTER, A/C Cartridge BS-491588S
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445A
FILTER-A/C CARTRIDGE BS-697029
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467
KNOB, Air Cleaner Cover BS-691668
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504
SET, Friction Washer BS-695383
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505
NUT (Governor Control Lever) BS-691251
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562
BOLT (Governor Control Lever) BS-691119
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613
SCREW (Muffler) BS-791972
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621
SWITCH, Stop BS-692310
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632
SPRING/LINK, Mechanical Governor BS-693408
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663
SCREW (Control Panel) BS-699206
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668
SPACER BS-694257
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676
DEFLECTOR, Muffler (Side Outlet) BS-796956
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677
SCREW (Muffler Deflector) (SAE) BS-690661
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677
SCREW (Muffler Deflector) (Metric) BS-699203
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717
STRAP/STUD, Air Cleaner Mounting BS-693462
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773
RETAINER BS-694258
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832
GUARD, Muffler (Lo Tone) BS-593953
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836
SCREW (Muffler Guard) BS-699203
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836A
SCREW (Muffler Guard) BS-699632
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851
TERMINAL, Spark Plug BS-493880S
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875
BASE, Air Cleaner (Plastic) Used After Code Date 11123100 BS-591306
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875
BASE, Air Cleaner (Plastic) Used Before Code Date 12010100 BS-697030
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883
GASKET-EXHAUST (Between Adapter And Cylinder) BS-691893
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961
SCREW (Air Cleaner Bracket) BS-698304
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967
FILTER, Air Cleaner Foam BS-493537S
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967A
FILTER-A/C FOAM BS-273356S
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968A
COVER, Air Cleaner BS-693460
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968B
COVER, Air Cleaner BS-791082
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971
SCREW (Air Cleaner Base to Carburetor) (SAE) BS-690370
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971
SCREW (Air Cleaner Base to Carburetor) (Metric) BS-798649
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971A
SCREW (Air Cleaner Base to Carburetor) Used Before Code Date 12010100 BS-690349
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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

Blower Housing/Shrouds, Flywheel, Rewind Starter

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23
FLYWHEEL BS-699488
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37
GUARD, Flywheel BS-699661
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55
HOUSING, Rewind Starter (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-691422
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55
HOUSING, Rewind Starter (Rewind Starter Parts Used With 5MM Diameter Starter Rope) Used Before Code Date 08030300 BS-791848
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55
HOUSING, Rewind Starter Used After Code Date 08030200 BS-791848
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58
ROPE, Starter (Cut To Required Length) Used After Code Date 08030200 BS-693389
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58
ROPE, Starter (Rewind Starter Parts Used With 5MM Diameter Starter Rope) Used Before Code Date 08030300 BS-66574
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58
ROPE, Starter (Cut To Required Length) (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-693389
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60
GRIP-STARTER ROPE (2 Piece) BS-490652
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65
SCREW (Rewind Starter) (SAE) BS-699228
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65
SCREW (Rewind Starter) (Metric) BS-699851
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78
SCREW (Flywheel Guard) BS-699205
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304
HOUSING, Blower BS-699598
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305
SCREW (Blower Housing) BS-699481
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332
NUT (Flywheel) BS-591988
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363
PULLER, Flywheel BS-19203
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455
CUP, Flywheel Used After Code Date 11123100 BS-591302
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455
CUP, Flywheel Used Before Code Date 12010100 BS-591302
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456
PLATE-PAWL FRICTION BS-692299
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459
PAWL-RATCHET BS-281505S
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597
SCREW (Pawl Friction Plate) BS-691696
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608
STARTER, Rewind Used After Code Date 08030200 Used Before Code Date 12010100 BS-591301
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608
STARTER, Rewind (Rewind Starter Parts Used With 5MM Diameter Starter Rope) Used Before Code Date 08030300 BS-591301
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608
STARTER, Rewind (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-591301
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608C
STARTER, Rewind Used After Code Date 11123100 BS-591301
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689
SPRING-FRICTION (Rewind Starter) BS-691855
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1005
FAN-FLYWHEEL BS-555778
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1005A
FAN, Flywheel BS-794273
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1070
SCREW (Flywheel Fan) BS-699201
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1210
PULLEY/SPRING ASSY (Pulley) (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-498144
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1210
PULLEY/SPRING ASSEMBLY (Pulley) (Rewind Starter Parts Used With 5MM Diameter Starter Rope) Used Before Code Date 08030300 BS-791849
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1210
PULLEY/SPRING ASSEMBLY (Pulley) Used After Code Date 08030200 BS-791849
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1211
PULLEY/SPRING ASSY (Spring) (Rewind Starter Parts Used With 3MM Diameter Starter Rope) Used Before Code Date 08030300 BS-498144
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1211
PULLEY/SPRING ASSEMBLY (Spring) (Rewind Starter Parts Used With 5MM Diameter Starter Rope) Used Before Code Date 08030300 BS-791849
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1211
PULLEY/SPRING ASSEMBLY (Spring) Used After Code Date 08030200 BS-791849

Camshaft, Crankcase Cover, Crankshaft, Cylinder, Lubrication, Piston Group

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1
CYLINDER ASSEMBLY BS-699505
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2
KIT, Bushing/Seal (Magneto Side) BS-796961
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3
SEAL, Oil (Magneto Side) BS-299819S
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7
GASKET, Cylinder Head BS-698210
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12
GASKET, Crankcase BS-699485
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15
PLUG-OIL DRAIN (Square Head)(1/4" Diameter) BS-691686
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15A
PLUG-OIL DRAIN (Hex Socket)(1/4 Diameter) BS-691682
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16
CRANKSHAFT BS-797074
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18
COVER, Crankcase BS-699804
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20
SEAL-OIL (PTO Side) BS-692550
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21
CAP, Oil Fill BS-281658S
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22
SCREW (Crankcase Cover/Sump) BS-594761
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24
KEY, Flywheel BS-796335
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25
PISTON ASSEMBLY (.020 Oversize) BS-799064
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25
PISTON ASSEMBLY (Standard) BS-799063
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26
SET, Ring (Standard) Used After Code Date 05030800 BS-791969
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26
SET, Ring (.020 Oversize) Used After Code Date 05030800 BS-791324
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26
SET, Ring (Standard) Used Before Code Date 05030900 BS-499631
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26
SET, Ring (.020 Oversize) Used Before Code Date 05030900 BS-692786
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27
LOCK-PISTON PIN BS-691866
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28
PIN-PISTON/STD (Standard) BS-499423
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29
ROD, Connecting BS-798813
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30
DIPPER-CONN ROD BS-791584
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32
SCREW (Connecting Rod) BS-691664
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32A
SCREW (Connecting Rod) BS-695759
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46
CAMSHAFT BS-555790
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51
GASKET, Intake (2 Required) BS-692555
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146
KEY, Woodruff BS-690979
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163A
GASKET, Air Cleaner (High Mount Air Cleaner) BS-792870
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219
GEAR, Governor BS-693578
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220
WASHER (Governor Gear) BS-691724
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287
SCREW (Dipstick Tube) BS-699234
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306
SHIELD-CYLINDER BS-795334
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307
SCREW (Cylinder Shield) BS-794822
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332
NUT (Flywheel) BS-591988
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358
GASKET SET, Engine BS-791797
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415
PLUG BS-693463
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522
PLUG, Dipstick/Fill BS-798503
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523
DIPSTICK BS-693618
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524
SEAL, Dipstick Tube (Dipstick Tube) BS-281370S
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552
BUSHING, Governor Crank BS-692346
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615
RETAINER, Governor Shaft BS-692576
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616
CRANK, Governor BS-692547
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718
PIN, Locating BS-690959
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741
GEAR, Timing BS-695087
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742
RETAINER, E Ring BS-692564
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746
GEAR-IDLER BS-790278
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842
SEAL, O-Ring (Dipstick Tube) BS-691031
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847
DIPSTICK/TUBE ASSEMBLY BS-693617
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868
SEAL-VALVE BS-795440
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883
GASKET-EXHAUST (Between Adapter And Cylinder) BS-691893
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993
GASKET, Cylinder Head Plate BS-694088
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1022
GASKET-ROCKER COVER BS-691890
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1058
MANUAL, Operator's BS-277040
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1319
LABEL, Warning BS-794467
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1330
MANUAL, Repair BS-272147

Carburetor, Fuel Supply

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51
GASKET, Intake (2 Required) BS-692555
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95
SCREW (Throttle Valve) BS-691636
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97
SHAFT, Throttle BS-690024
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97C
SHAFT, Throttle BS-797628
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98
KIT-IDLE SPEED (Idle Speed) (Lmt 26, 27, 28, 31) BS-398185
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98C
KIT, Idle Speed BS-797156
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104
PIN, Float Hinge BS-797622
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104C
PIN, Float Hinge BS-797622
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105A
VALVE, Float Needle BS-797139
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108
VALVE-CHOKE BS-692567
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109
SHAFT, Choke BS-690023
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109A
SHAFT, Choke BS-693628
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109C
SHAFT, Choke BS-790624
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117
JET, Main (Standard) Used Before Code Date 10040100 BS-690048
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117D
JET, Main (Standard) Used After Code Date 10033100 Used Before Code Date 12010100 BS-798652
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117D
JET, Main (Standard) Used After Code Date 11123100 BS-591298
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118
JET, Main (High Altitude) Used Before Code Date 10040100 BS-497315
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118D
JET, Main (High Altitude) Used After Code Date 10033100 Used Before Code Date 12010100 BS-799178
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118D
JET, Main (High Altitude) Used After Code Date 11123100 BS-797574
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121
KIT, Carburetor Overhaul BS-792006
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121D
KIT, Carburetor Overhaul BS-797634
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122
SPACER, Carburetor BS-795643
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125
CARBURETOR Used Before Code Date 10040100 BS-591299
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125D
CARBURETOR Used After Code Date 10033100 Used Before Code Date 12010100 BS-591299
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125D
CARBURETOR Used After Code Date 11123100 BS-591299
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127
PLUG-WELCH BS-691739
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127E
PLUG, Welch BS-797633
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130
VALVE-THROTTLE BS-691181
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130D
VALVE, Throttle BS-797630
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133
FLOAT-CARBURETOR BS-398187
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133B
FLOAT, Carburetor BS-797136
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134
KIT-NEEDLE/SEAT BS-398188
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137
GASKET-FLOAT BOWL BS-693981
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137C
GASKET, Float Bowl BS-797625
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163
GASKET, Air Cleaner (Ultra Low Mount Air Cleaner) BS-696024
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163A
GASKET, Air Cleaner (High Mount Air Cleaner) BS-792870
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186
CONNECTOR-HOSE BS-692317
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187
LINE, Fuel (Cut To Required Length) BS-791766
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187A
LINE, Fuel (Molded) BS-791867
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187B
LINE, Fuel (Molded) BS-791874
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190
SCREW (Fuel Tank) BS-597133
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276
WASHER-SEALING BS-271716
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276C
WASHER, Sealing BS-797632
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365
SCREW (Carburetor) BS-692568
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601
CLAMP, Hose BS-791850
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633
SEAL, Choke/Throttle Shaft BS-693867
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633A
SEAL, Choke/Throttle Shaft (Throttle Shaft) BS-691321
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692
SPRING, Detent BS-590931
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692B
SPRING, Detent BS-797624
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951
LEVER, Choke BS-790630
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957
CAP, Fuel Tank (Plastic) (Text Free) BS-795027
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957
CAP, Fuel Tank (Plastic) (Fresh Start) BS-795027
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957A
CAP, Fuel Tank (Plastic) (Carbon In Cap) BS-799719
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958
VALVE, Fuel Shutoff (Plastic) BS-698180
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972
TANK, Fuel (Plastic) BS-799863
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975
BOWL, Float BS-796611
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975C
BOWL, Float BS-797631
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987B
SEAL, Choke/Throttle Shaft BS-797629

Cylinder Head

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5
HEAD, Cylinder (Metric) Used After Code Date 09061700 BS-594514
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5
HEAD, Cylinder (SAE) Used Before Code Date 09061800 BS-699486
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7
GASKET, Cylinder Head BS-698210
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13
SCREW (Cylinder Head) BS-699482
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33
VALVE, Exhaust BS-499642
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34
VALVE, Intake BS-795443
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35
SPRING, Valve (Intake) BS-691304
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36
SPRING, Valve (Exhaust) BS-691304
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40
RETAINER, Valve BS-692194
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45
TAPPET, Valve BS-690977
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51
GASKET, Intake (2 Required) BS-692555
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122
SPACER, Carburetor BS-795643
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155
PLATE, Cylinder Head (SAE) Used Before Code Date 09061800 BS-698214
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155
PLATE, Cylinder Head (Metric) Used After Code Date 09061700 BS-797442
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192
ADJUSTER. Rocker Arm (Metric) Used After Code Date 09061700 BS-797440
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192
ADJUSTER-ROCKER ARM (SAE) Used Before Code Date 09061800 BS-694543
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238
CAP, Valve BS-691300
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337
PLUG, Spark (EMS) BS-691043
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337
PLUG, SPARK (Resistor) BS-84007216
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337
PLUG, SPARK (China Only) BS-84007216
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383
WRENCH, Spark Plug BS-19576S
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619
SCREW (Cylinder Head Plate) BS-699481
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635
BOOT, Spark Plug BS-692076
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830
STUD-ROCKER ARM (Rocker Arm) (SAE) Used Before Code Date 09061800 BS-694544
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830
STUD, Rocker Arm (Rocker Arm) (Metric) Used After Code Date 09061700 BS-797441
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868
SEAL-VALVE BS-795440
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914
SCREW (Rocker Cover) (Bottom) BS-699481
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914A
SCREW (Rocker Cover) (Top) Used Before Code Date 09061800 BS-692557
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914A
SCREW (Rocker Cover) (Top) Used After Code Date 09061700 BS-797444
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914B
SCREW (Rocker Cover) (Center) Used Before Code Date 09061800 BS-691108
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914B
SCREW (Rocker Cover) (Center) Used After Code Date 09061700 BS-797444S
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993
GASKET, Cylinder Head Plate BS-694088
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1022
GASKET-ROCKER COVER BS-691890
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1023
COVER-ROCKER BS-595245
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1026
ROD, Push BS-790287
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1029
ARM, Rocker (SAE) Used Before Code Date 09061800 BS-691230
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1029
ARM, Rocker (Metric) Used After Code Date 09061700 BS-797443
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1034
GUIDE, Push Rod BS-691343
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1095
GASKET SET, Valve BS-791798

Replacement Engine - US & Canada

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xx
Replacement Engine BS-1213120522
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xx
Replacement Short Block BS-791519
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