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Briggs and Stratton 121S00 Series Parts
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Briggs and Stratton Engine Replacement  For Model 121S75-0131-F2

Briggs and Stratton Engine Replacement Parts For Model 121S75-0131-F2

We Sell Only Genuine Briggs and Stratton Parts
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Air Cleaner
Alternator Electric Starter Ignition
Blower Housing CoverGuards Flywheel Rewind Starter
Camshaft Crankshaft Cylinder OperatorS Manual PistonRingsConnecting Rod Warning Label
Carburetor Carburetor Overhaul Kit
Controls Governor Spring Thermostat
Cylinder Head Gasket Set-Valves Valves
Exhaust System
Fuel Supply Lubrication
Gasket Set-Engine Sump
Showing All Parts
Air Cleaner
Briggs and Stratton 121S75-0131-F2 Engine Air Cleaner Diagram
 Fig #
11
Tube-breather
 $9.72

Part Number:84006680

In Stock

In Stock
 $9.72
In Stock
 $9.72
163
Gasket-air Cleaner
 $5.18

Part Number:691894

In Stock

In Stock

Note: (Air Cleaner)
 $5.18
In Stock
 $5.18
265
Clamp-casing
 $5.18

Part Number:690798

In Stock

In Stock

Note: Used Before Code Date 18013000
 $5.18
In Stock
 $5.18
267
Screw
 $3.99

Part Number:691044

In Stock

In Stock

Note: (Casing Clamp)
 $3.99
In Stock
 $3.99
445
Filter-air Cleaner Ca
 $67.34

Part Number:795066

In Stock

In Stock
 $67.34
In Stock
 $67.34
875
Base-air Cleaner
 $45.95

Part Number:796492

In Stock

In Stock
 $45.95
In Stock
 $45.95
967
Filter-pre-cleaner
 $7.18

Part Number:796254

In Stock

In Stock
 $7.18
In Stock
 $7.18
968
Cover-air Cleaner
 $27.30

Part Number:796493

In Stock

In Stock
 $27.30
In Stock
 $27.30
971
Screw
 $6.52

Part Number:690349

In Stock

In Stock

Note: (Air Cleaner Base to Carburetor/Throttle Body)
 $6.52
In Stock
 $6.52
Alternator Electric Starter Ignition
Briggs and Stratton 121S75-0131-F2 Engine Alternator Electric Starter Ignition Diagram
 Fig #
309
Motor-starter
 $175.32

Part Number:84005206

In Stock

In Stock

Note: (Use Before Date Code 18121400)
 $175.32
In Stock
 $175.32
333
Armature-magneto
 $38.56

Part Number:595554

In Stock

In Stock

Note: (180 Degree Ignition Terminal)
 $38.56
In Stock
 $38.56
334
Screw
 $4.99

Part Number:793454

In Stock

In Stock

Note: (Magneto Armature)
 $4.99
In Stock
 $4.99
337
Plug-spark Ems
 $7.72

Part Number:692720

In Stock

In Stock

Note: (Ems)
 $7.72
In Stock
 $7.72
356
Wire-stop Obsolete - Not Available
 $10.61

Part Number:692390

Discontinued

Discontinued

Note: #N/a
 $10.61
Discontinued
365
Screw
 $3.99

Part Number:793458

In Stock

In Stock

Note: (Carburetor/Throttle Body)
 $3.99
In Stock
 $3.99
383
Wrench-spark Plug 8
 $7.07

Part Number:19576S

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $7.07
In Stock
 $7.07
621
Switch-stop
 $5.85

Part Number:692310

In Stock

In Stock

Note: Used After Code Date 85041400
 $5.85
In Stock
 $5.85
635
Boot-spark Plug
 $3.99

Part Number:66538S

In Stock

In Stock

Note: on Cables Molded Into Ignition Coil
 $3.99
In Stock
 $3.99
697
Screw
 $4.99

Part Number:691127

In Stock

In Stock
 $4.99
In Stock
 $4.99
742
Retainer-e Ring
 $429.14

Part Number:795094

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $429.14
Usually ships in 7 - 12 business days
 $429.14
789
Harness-wiring
 $34.30

Part Number:792685

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used After Code Date 00040600
 $34.30
Usually ships in 7 - 12 business days
 $34.30
851
Terminal-spark Plug
 $3.99

Part Number:493880S

In Stock

In Stock

Note: on Cables Molded Into Ignition Coil
 $3.99
In Stock
 $3.99
851A
Terminal-spark Plug
 $5.63

Part Number:692424

In Stock

In Stock

Note: (180 Degree)
 $5.63
In Stock
 $5.63
853A
Adapter-wire
 $12.12

Part Number:695897

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $12.12
Usually ships in 7 - 12 business days
 $12.12
910
Stud
 $7.51

Part Number:796498

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Alternator)
 $7.51
Usually ships in 7 - 12 business days
 $7.51
937
Spline-starter Obsolete - Not Available
 $26.51

Part Number:799420

Discontinued

Discontinued

Note: Used After Code Date 13092400
 $26.51
Discontinued
1119
Screw
 $3.99

Part Number:794100

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Alternator)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
1212
Stud
 $7.19

Part Number:796537

In Stock

In Stock

Note: (Blower Housing)
 $7.19
In Stock
 $7.19
1212B
Stud
 $6.97

Part Number:797002

Backorder: No ETA

Backorder: No ETA

Note: (Blower Housing) (Used With Alternator Only)
 $6.97
Backorder: No ETA
 $6.97
Blower Housing CoverGuards Flywheel Rewind Starter
Briggs and Stratton 121S75-0131-F2 Engine Blower Housing CoverGuards Flywheel Rewind Starter Diagram
 Fig #
23
Flywheel
 $195.12

Part Number:590421

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Aluminum)
 $195.12
Usually ships in 7 - 12 business days
 $195.12
37
Guard-flywheel
 $6.77

Part Number:590921

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used Before Code Date 16082900
 $6.77
Usually ships in 7 - 12 business days
 $6.77
37B
Guard-flywheel
 $25.27

Part Number:799242

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $25.27
Usually ships in 7 - 12 business days
 $25.27
58
Rope-starter
 $6.39

Part Number:697316

In Stock

In Stock

Note: (Cut to Required Length)
 $6.39
In Stock
 $6.39
60
Grip-starter Rope
 $3.99

Part Number:281434S

In Stock

In Stock

Note: (Standard Grip)
 $3.99
In Stock
 $3.99
60A
Grip-starter Rope
 $11.61

Part Number:799716

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Ergonomic Grip)
 $11.61
Usually ships in 7 - 12 business days
 $11.61
74A
Screw
 $3.99

Part Number:691138

In Stock

In Stock

Note: (Rotating Screen)
 $3.99
In Stock
 $3.99
75
Washer
 $5.63

Part Number:691736

In Stock

In Stock

Note: (Flywheel)
 $5.63
In Stock
 $5.63
78
Screw
 $3.99

Part Number:793480

In Stock

In Stock

Note: (Flywheel Guard)
 $3.99
In Stock
 $3.99
304
Housing-blower
 $72.74

Part Number:798945

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Electric Start)
 $72.74
Usually ships in 7 - 12 business days
 $72.74
332
Nut
 $6.25

Part Number:690662

In Stock

In Stock

Note: (Flywheel)
 $6.25
In Stock
 $6.25
363
Puller-flywheel
 $20.62

Part Number:19069

In Stock

In Stock

Note: (41.3mm (1.63in.))
 $20.62
In Stock
 $20.62
455
Cup-flywheel
 $16.40

Part Number:796615

In Stock

In Stock

Note: (Non Washable)
 $16.40
In Stock
 $16.40
608
Starter-rewind
 $57.69

Part Number:796497

In Stock

In Stock
 $57.69
In Stock
 $57.69
668A
Spacer
 $12.00

Part Number:797383

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $12.00
Usually ships in 7 - 12 business days
 $12.00
925
Cover-linkage
 $8.69

Part Number:796531

In Stock

In Stock
 $8.69
In Stock
 $8.69
949
Guard-debris Screen
 $30.98

Part Number:799474

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $30.98
Usually ships in 7 - 12 business days
 $30.98
1005
Fan-flywheel
 $26.36

Part Number:796614

In Stock

In Stock
 $26.36
In Stock
 $26.36
1006
Retainer-fan
 $29.66

Part Number:799264

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used Before Code Date 16051300
 $29.66
Usually ships in 7 - 12 business days
 $29.66
1212
Stud
 $7.19

Part Number:796537

In Stock

In Stock

Note: (Blower Housing)
 $7.19
In Stock
 $7.19
1212A
Stud
 $5.71

Part Number:793479

Backorder: No ETA

Backorder: No ETA

Note: (Blower Housing)
 $5.71
Backorder: No ETA
 $5.71
1212B
Stud
 $6.97

Part Number:797002

Backorder: No ETA

Backorder: No ETA

Note: (Blower Housing) (Used With Alternator Only)
 $6.97
Backorder: No ETA
 $6.97
1335
Nut
 $3.99

Part Number:793481

In Stock

In Stock

Note: (Blower Housing)
 $3.99
In Stock
 $3.99
Camshaft Crankshaft Cylinder OperatorS Manual PistonRingsConnecting Rod Warning Label
Briggs and Stratton 121S75-0131-F2 Engine Camshaft Crankshaft Cylinder OperatorS Manual PistonRingsConnecting Rod Warning Label Diagram
 Fig #
1
Cylinder Assembly
 $257.26

Part Number:798947

In Stock

In Stock
 $257.26
In Stock
 $257.26
3
Seal-oil
 $5.99

Part Number:299819S

In Stock

In Stock

Note: (Magneto Side)
 $5.99
In Stock
 $5.99
16
Crankshaft
 $259.37

Part Number:796468

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $259.37
Usually ships in 7 - 12 business days
 $259.37
24
Key-flywheel
 $4.99

Part Number:222698S

In Stock

In Stock

Note: (Aluminum) Used Before Code Date 07122800
 $4.99
In Stock
 $4.99
25
Piston Assembly-020 Obsolete - Not Available
 $102.94

Part Number:590405

Discontinued

Discontinued

Note: (.020 Oversize)
 $102.94
Discontinued
25
Piston Assembly
 $72.66

Part Number:590404

In Stock

In Stock

Note: (Standard)
 $72.66
In Stock
 $72.66
25
Piston Assembly-020 Obsolete - Not Available
 $102.94

Part Number:590405

Discontinued

Discontinued

Note: (.020 Oversize)
 $102.94
Discontinued
26
Ring Set-020 Obsolete - Not Available
 $25.09

Part Number:796642

Discontinued

Discontinued

Note: (.020 Oversize) Used Before Code Date 09042000
 $25.09
Discontinued
26
Piston Assembly
 $72.66

Part Number:590404

In Stock

In Stock

Note: (Standard)
 $72.66
In Stock
 $72.66
26
Piston Assembly-020 Obsolete - Not Available
 $102.94

Part Number:590405

Discontinued

Discontinued

Note: (.020 Oversize)
 $102.94
Discontinued
26
Ring Set
 $49.30

Part Number:590402

In Stock

In Stock

Note: (Standard)
 $49.30
In Stock
 $49.30
26
Ring Set-020
 $53.14

Part Number:590403

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (.020 Oversize)
 $53.14
Usually ships in 7 - 12 business days
 $53.14
26
Ring Set
 $50.45

Part Number:795431

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Standard) Used After Code Date 07090300 Used Before Code Date 09041700
 $50.45
Usually ships in 7 - 12 business days
 $50.45
27
Lock-piston Pin
 $4.99

Part Number:691588

In Stock

In Stock

Note: Used After Code Date 09041600
 $4.99
In Stock
 $4.99
28
Pin-piston/std
 $8.87

Part Number:298909

In Stock

In Stock

Note: (Standard)
 $8.87
In Stock
 $8.87
29
Rod-connecting
 $44.40

Part Number:796470

In Stock

In Stock
 $44.40
In Stock
 $44.40
32
Screw
 $4.99

Part Number:691664

In Stock

In Stock

Note: (Connecting Rod)
 $4.99
In Stock
 $4.99
32A
Screw
 $4.99

Part Number:695759

In Stock

In Stock

Note: (Connecting Rod)
 $4.99
In Stock
 $4.99
43
Slinger-governor/oil
 $26.12

Part Number:593912

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $26.12
Usually ships in 7 - 12 business days
 $26.12
46
Camshaft
 $61.71

Part Number:694040

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $61.71
Usually ships in 7 - 12 business days
 $61.71
404
Washer
 $3.99

Part Number:690272

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Governor Crank)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
615
Retainer-gov Shaft
 $4.99

Part Number:690340

Backorder: No ETA

Backorder: No ETA
 $4.99
Backorder: No ETA
 $4.99
616
Crank-governor
 $12.50

Part Number:798327

In Stock

In Stock
 $12.50
In Stock
 $12.50
718
Pin-locating
 $6.52

Part Number:690959

In Stock

In Stock

Note: (Cylinder)
 $6.52
In Stock
 $6.52
741
Gear-timing
 $13.85

Part Number:797521

In Stock

In Stock

Note: (Metal) Used After Code Date 08021700
 $13.85
In Stock
 $13.85
1058
Operator's Manual Obsolete - Not Available
 $2.99

Part Number:279946

Discontinued

Discontinued
 $2.99
Discontinued
1263
Reed-breather
 $7.31

Part Number:697124

In Stock

In Stock
 $7.31
In Stock
 $7.31
1264
Screw
 $3.99

Part Number:793453

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Breather Reed)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
1319
Label-warning
 $21.25

Part Number:794467

In Stock

In Stock

Note: (Required When Replacing Parts With Warning Labels Affixed)
 $21.25
In Stock
 $21.25
1319A
Label-warning
 $18.46

Part Number:797669

In Stock

In Stock

Note: (Required When Replacing Parts With Warning Labels Affixed)
 $18.46
In Stock
 $18.46
1330
Pro Series Rep Manual
 $75.85

Part Number:279000

Backorder: No ETA

Backorder: No ETA
 $75.85
Backorder: No ETA
 $75.85
1375
Cover-breather/reed
 $10.59

Part Number:796476

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.59
Usually ships in 7 - 12 business days
 $10.59
1376
Screw
 $4.99

Part Number:794451

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rocker Cover)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
1430
Cover-breather/reed
 $10.59

Part Number:796476

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.59
Usually ships in 7 - 12 business days
 $10.59
Carburetor Carburetor Overhaul Kit
Briggs and Stratton 121S75-0131-F2 Engine Carburetor Carburetor Overhaul Kit Diagram
 Fig #
51
Gasket-intake
 $4.99

Part Number:796596

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $4.99
In Stock
 $4.99
51A
Gasket-intake
 $5.18

Part Number:590398

In Stock

In Stock
 $5.18
In Stock
 $5.18
104
Pin-float Hinge
 $3.99

Part Number:797622

In Stock

In Stock

Note: Used After Code Date 15052400
 $3.99
In Stock
 $3.99
117
Jet-main
 $19.37

Part Number:798661

In Stock

In Stock

Note: (Standard)
 $19.37
In Stock
 $19.37
118
Jet-main
 $18.99

Part Number:799605

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (High Altitude)
 $18.99
Usually ships in 7 - 12 business days
 $18.99
121
Kit-carb Overhaul
 $35.27

Part Number:592172

In Stock

In Stock

Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)
 $35.27
In Stock
 $35.27
122
Spacer-carburetor
 $10.91

Part Number:796595

In Stock

In Stock
 $10.91
In Stock
 $10.91
125
Carburetor
 $56.94

Part Number:591137

Backorder: No ETA

Backorder: No ETA
 $56.94
Backorder: No ETA
 $56.94
133
Float-carburetor
 $15.33

Part Number:797626

In Stock

In Stock

Note: Used After Code Date 18113000
 $15.33
In Stock
 $15.33
134
Kit-needle/seat
 $12.91

Part Number:799177

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used After Code Date 18113000
 $12.91
Usually ships in 7 - 12 business days
 $12.91
137
Gasket-float Bowl
 $8.65

Part Number:797625

Backorder: No ETA

Backorder: No ETA

Note: Used After Code Date 18113000
 $8.65
Backorder: No ETA
 $8.65
163
Gasket-air Cleaner
 $5.18

Part Number:691894

In Stock

In Stock

Note: (Air Cleaner)
 $5.18
In Stock
 $5.18
202
Link-mechanical Gover
 $8.52

Part Number:796657

In Stock

In Stock
 $8.52
In Stock
 $8.52
216A
Link-choke
 $9.31

Part Number:798944

In Stock

In Stock
 $9.31
In Stock
 $9.31
217
Spring-choke Return
 $7.45

Part Number:799179

In Stock

In Stock
 $7.45
In Stock
 $7.45
276
Washer-sealing
 $7.72

Part Number:797632

In Stock

In Stock

Note: Used After Code Date 18113000
 $7.72
In Stock
 $7.72
365
Screw
 $3.99

Part Number:793458

In Stock

In Stock

Note: (Carburetor/Throttle Body)
 $3.99
In Stock
 $3.99
623
Seal-o Ring
 $4.99

Part Number:793628

In Stock

In Stock

Note: (Carburetor Spacer)
 $4.99
In Stock
 $4.99
975
Bowl-float
 $43.71

Part Number:797631

In Stock

In Stock

Note: Used After Code Date 18113000
 $43.71
In Stock
 $43.71
Controls Governor Spring Thermostat
Briggs and Stratton 121S75-0131-F2 Engine Controls Governor Spring Thermostat Diagram
 Fig #
202
Link-mechanical Gover
 $8.52

Part Number:796657

In Stock

In Stock
 $8.52
In Stock
 $8.52
209
Spring-governor
 $7.06

Part Number:796484

In Stock

In Stock
 $7.06
In Stock
 $7.06
216A
Link-choke
 $9.31

Part Number:798944

In Stock

In Stock
 $9.31
In Stock
 $9.31
222
Bracket-control
 $43.29

Part Number:796482

In Stock

In Stock

Note: (Manual Friction, Remote, & Fixed Speed Control)
 $43.29
In Stock
 $43.29
227
Lever-governor Contro
 $14.66

Part Number:796487

In Stock

In Stock
 $14.66
In Stock
 $14.66
236
Link-lockout
 $8.05

Part Number:691826

In Stock

In Stock
 $8.05
In Stock
 $8.05
265
Clamp-casing
 $5.18

Part Number:690798

In Stock

In Stock

Note: Used Before Code Date 18013000
 $5.18
In Stock
 $5.18
267
Screw
 $3.99

Part Number:691044

In Stock

In Stock

Note: (Casing Clamp)
 $3.99
In Stock
 $3.99
268
Casing-control Wire Obsolete - Not Available
 $24.54

Part Number:691025

Discontinued

Discontinued

Note: (Cut to Required Length)
 $24.54
Discontinued
269
Wire-control Obsolete - Not Available
 $14.29

Part Number:26634

Discontinued

Discontinued

Note: (Cut to Required Length)
 $14.29
Discontinued
270
Nut
 $13.31

Part Number:691027

In Stock

In Stock

Note: (Control Wire Casing)
 $13.31
In Stock
 $13.31
271
Lever-control
 $50.73

Part Number:691028

In Stock

In Stock

Note: Do Not Use With 260898 Gov. Link (Ref. 201)
 $50.73
In Stock
 $50.73
291A
Thermostat
 $39.97

Part Number:798938

In Stock

In Stock
 $39.97
In Stock
 $39.97
505
Nut
 $3.99

Part Number:793515

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Governor Control Lever)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
562
Bolt
 $6.98

Part Number:793514

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Governor Lever)
 $6.98
Usually ships in 7 - 12 business days
 $6.98
621
Switch-stop
 $5.85

Part Number:692310

In Stock

In Stock

Note: Used After Code Date 85041400
 $5.85
In Stock
 $5.85
745
Screw
 $3.99

Part Number:793491

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Brake)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
843
Sleeve-lever
 $4.99

Part Number:691884

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Speed Control)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
883
Gasket-exhaust
 $7.45

Part Number:793497

In Stock

In Stock

Note: (Part Information Located in Exhaust Group.)
 $7.45
In Stock
 $7.45
883A
Gasket-exhaust
 $9.31

Part Number:796677

In Stock

In Stock
 $9.31
In Stock
 $9.31
922
Spring-brake
 $8.52

Part Number:692135

In Stock

In Stock
 $8.52
In Stock
 $8.52
923
Brake
 $42.86

Part Number:796635

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $42.86
Usually ships in 7 - 12 business days
 $42.86
Cylinder Head Gasket Set-Valves Valves
Briggs and Stratton 121S75-0131-F2 Engine Cylinder Head Gasket Set-Valves Valves Diagram
 Fig #
5
Head-cylinder
 $125.23

Part Number:84003960

In Stock

In Stock
 $125.23
In Stock
 $125.23
7
Gasket-cylinder Head
 $12.07

Part Number:796475

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $12.07
In Stock
 $12.07
13
Screw
 $4.99

Part Number:799277

In Stock

In Stock

Note: (Cylinder Head)
 $4.99
In Stock
 $4.99
33
Valve-exhaust
 $35.97

Part Number:499642

In Stock

In Stock
 $35.97
In Stock
 $35.97
34
Valve-intake
 $27.30

Part Number:795443

In Stock

In Stock
 $27.30
In Stock
 $27.30
35
Spring-valve
 $5.71

Part Number:691304

In Stock

In Stock

Note: (Exhaust)
 $5.71
In Stock
 $5.71
36
Spring-valve
 $5.71

Part Number:691304

In Stock

In Stock

Note: (Exhaust)
 $5.71
In Stock
 $5.71
40
Retainer-valve
 $6.31

Part Number:692194

In Stock

In Stock

Note: (Intake)
 $6.31
In Stock
 $6.31
45
Tappet-valve
 $8.35

Part Number:690977

In Stock

In Stock

Note: Used Before Code Date 06020600
 $8.35
In Stock
 $8.35
51
Gasket-intake
 $4.99

Part Number:796596

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $4.99
In Stock
 $4.99
163
Gasket-air Cleaner
 $5.18

Part Number:691894

In Stock

In Stock

Note: (Air Cleaner)
 $5.18
In Stock
 $5.18
192
Adjuster-rocker Arm
 $13.45

Part Number:796631

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.45
Usually ships in 7 - 12 business days
 $13.45
238
Cap-valve
 $9.14

Part Number:691300

In Stock

In Stock
 $9.14
In Stock
 $9.14
337
Plug-spark Ems
 $7.72

Part Number:692720

In Stock

In Stock

Note: (Ems)
 $7.72
In Stock
 $7.72
383
Wrench-spark Plug 8
 $7.07

Part Number:19576S

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $7.07
In Stock
 $7.07
623
Seal-o Ring
 $4.99

Part Number:793628

In Stock

In Stock

Note: (Carburetor Spacer)
 $4.99
In Stock
 $4.99
635
Boot-spark Plug
 $3.99

Part Number:66538S

In Stock

In Stock

Note: on Cables Molded Into Ignition Coil
 $3.99
In Stock
 $3.99
718
Pin-locating
 $6.52

Part Number:690959

In Stock

In Stock

Note: (Cylinder)
 $6.52
In Stock
 $6.52
830
Stud-rocker Arm
 $7.24

Part Number:796472

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rocker Arm)
 $7.24
Usually ships in 7 - 12 business days
 $7.24
868
Seal-valve
 $13.06

Part Number:795440

In Stock

In Stock
 $13.06
In Stock
 $13.06
883
Gasket-exhaust
 $7.45

Part Number:793497

In Stock

In Stock

Note: (Part Information Located in Exhaust Group.)
 $7.45
In Stock
 $7.45
883A
Gasket-exhaust
 $9.31

Part Number:796677

In Stock

In Stock
 $9.31
In Stock
 $9.31
886
Gasket Kit-cylinder/plate
 $27.30

Part Number:799492

In Stock

In Stock
 $27.30
In Stock
 $27.30
914
Screw
 $4.99

Part Number:794451

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rocker Cover)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
993
Gasket-cylinder Head Plate
 $15.06

Part Number:796473

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $15.06
In Stock
 $15.06
1022
Gasket-rocker Cover
 $7.45

Part Number:796480

In Stock

In Stock
 $7.45
In Stock
 $7.45
1023
Cover-rocker
 $25.96

Part Number:796479

In Stock

In Stock
 $25.96
In Stock
 $25.96
1026
Rod-push
 $11.20

Part Number:796481

In Stock

In Stock
 $11.20
In Stock
 $11.20
1029
Arm-rocker
 $10.07

Part Number:691230

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Sae) Used Before Code Date 09061800
 $10.07
Usually ships in 7 - 12 business days
 $10.07
1034
Guide-push Rod
 $10.90

Part Number:691343

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used Before Code Date 14090400
 $10.90
Usually ships in 7 - 12 business days
 $10.90
1095
Gasket Set-valve
 $61.22

Part Number:592174

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)
 $61.22
Usually ships in 7 - 12 business days
 $61.22
Exhaust System
Briggs and Stratton 121S75-0131-F2 Engine Exhaust System Diagram
 Fig #
81
Lock-muffler Screw
 $5.50

Part Number:691740

In Stock

In Stock
 $5.50
In Stock
 $5.50
300A
Muffler
 $58.99

Part Number:798940

In Stock

In Stock
 $58.99
In Stock
 $58.99
613
Screw
 $5.45

Part Number:796496

In Stock

In Stock

Note: (Muffler)
 $5.45
In Stock
 $5.45
676
Deflector-muffler
 $28.35

Part Number:692010

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $28.35
Usually ships in 7 - 12 business days
 $28.35
676A
Deflector-muffler
 $26.36

Part Number:799187

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $26.36
Usually ships in 7 - 12 business days
 $26.36
677
Screw
 $3.99

Part Number:690661

In Stock

In Stock

Note: (Muffler Deflector) (#8-18 X 0.375 Lg)
 $3.99
In Stock
 $3.99
832A
Guard-muffler
 $53.30

Part Number:593411

In Stock

In Stock
 $53.30
In Stock
 $53.30
836
Screw
 $3.99

Part Number:793500

In Stock

In Stock

Note: (Muffler Guard)
 $3.99
In Stock
 $3.99
837
Spacer-muffler
 $20.84

Part Number:797735

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Muffler)
 $20.84
Usually ships in 7 - 12 business days
 $20.84
883
Gasket-exhaust
 $7.45

Part Number:793497

In Stock

In Stock

Note: (Part Information Located in Exhaust Group.)
 $7.45
In Stock
 $7.45
883A
Gasket-exhaust
 $9.31

Part Number:796677

In Stock

In Stock
 $9.31
In Stock
 $9.31
994
Arrestor-spark
 $57.86

Part Number:690813

In Stock

In Stock
 $57.86
In Stock
 $57.86
Fuel Supply Lubrication
Briggs and Stratton 121S75-0131-F2 Engine Fuel Supply Lubrication Diagram
 Fig #
187
Hose, Fuel
 $7.40

Part Number:791766

In Stock

In Stock

Note: (Cut to Required Length)
 $7.40
In Stock
 $7.40
187A
Line-fuel
 $19.50

Part Number:796491

In Stock

In Stock

Note: (Formed)(Cut to Required Length)
 $19.50
In Stock
 $19.50
523
Dipstick
 $14.65

Part Number:796503

In Stock

In Stock

Note: (Black)
 $14.65
In Stock
 $14.65
524
Seal-dipstick Tube
 $4.99

Part Number:692296

Backorder: No ETA

Backorder: No ETA

Note: (Dipstick Tube)
 $4.99
Backorder: No ETA
 $4.99
525
Dipstick/tube Assembly
 $32.28

Part Number:84005996

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.28
Usually ships in 7 - 12 business days
 $32.28
601
Clamp-hose
 $4.99

Part Number:791850

In Stock

In Stock

Note: (Green)
 $4.99
In Stock
 $4.99
670
Spacer-fuel Tank
 $6.32

Part Number:793485

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.32
Usually ships in 7 - 12 business days
 $6.32
842
Seal-o Ring
 $5.71

Part Number:691031

In Stock

In Stock

Note: (Dipstick Cap)
 $5.71
In Stock
 $5.71
847
Dipstick/tube Assembly
 $32.28

Part Number:84005996

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.28
Usually ships in 7 - 12 business days
 $32.28
957
Cap-fuel Tank
 $19.46

Part Number:799585

In Stock

In Stock

Note: (Black) Used Before Code Date 16100300
 $19.46
In Stock
 $19.46
957C
Cap-fuel Tank
 $17.75

Part Number:796577

In Stock

In Stock

Note: (Standard Cap)
 $17.75
In Stock
 $17.75
972
Tank-fuel
 $81.72

Part Number:590949

In Stock

In Stock
 $81.72
In Stock
 $81.72
1059
Kit-screw/washer
 $5.23

Part Number:793471

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Fuel Tank)
 $5.23
Usually ships in 7 - 12 business days
 $5.23
Gasket Set-Engine Sump
Briggs and Stratton 121S75-0131-F2 Engine Gasket Set-Engine Sump Diagram
 Fig #
3
Seal-oil
 $5.99

Part Number:299819S

In Stock

In Stock

Note: (Magneto Side)
 $5.99
In Stock
 $5.99
4B
Sump-engine
 $117.41

Part Number:592941

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Pressurized Lubrication)
 $117.41
Usually ships in 7 - 12 business days
 $117.41
7
Gasket-cylinder Head
 $12.07

Part Number:796475

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $12.07
In Stock
 $12.07
12
Gasket-crankcase
 $6.39

Part Number:692232

In Stock

In Stock

Note: (Part Information Located in Crankcase Cover/Sump and Lubrication Group.)
 $6.39
In Stock
 $6.39
15
Plug-oil Drain
 $5.77

Part Number:691680

In Stock

In Stock

Note: (Hex Head)
 $5.77
In Stock
 $5.77
17
Bearing-ball
 $31.65

Part Number:798538

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Cylinder)
 $31.65
Usually ships in 7 - 12 business days
 $31.65
20
Seal-oil
 $8.38

Part Number:399781S

In Stock

In Stock

Note: (Pto Side)
 $8.38
In Stock
 $8.38
22
Screw
 $3.99

Part Number:691092

In Stock

In Stock

Note: (Regulator)
 $3.99
In Stock
 $3.99
51
Gasket-intake
 $4.99

Part Number:796596

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $4.99
In Stock
 $4.99
163
Gasket-air Cleaner
 $5.18

Part Number:691894

In Stock

In Stock

Note: (Air Cleaner)
 $5.18
In Stock
 $5.18
358
Gasket Set-engine
 $79.38

Part Number:592173

In Stock

In Stock

Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)
 $79.38
In Stock
 $79.38
524
Seal-dipstick Tube
 $4.99

Part Number:692296

Backorder: No ETA

Backorder: No ETA

Note: (Dipstick Tube)
 $4.99
Backorder: No ETA
 $4.99
623
Seal-o Ring
 $4.99

Part Number:793628

In Stock

In Stock

Note: (Carburetor Spacer)
 $4.99
In Stock
 $4.99
718
Pin-locating
 $6.52

Part Number:690959

In Stock

In Stock

Note: (Cylinder)
 $6.52
In Stock
 $6.52
737
Screw
 $3.99

Part Number:692511

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Oil Filter Adapter)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
750
Screw
 $3.99

Part Number:691147

In Stock

In Stock

Note: (Oil Pump Cover)
 $3.99
In Stock
 $3.99
842
Seal-o Ring
 $5.71

Part Number:691031

In Stock

In Stock

Note: (Dipstick Cap)
 $5.71
In Stock
 $5.71
868
Seal-valve
 $13.06

Part Number:795440

In Stock

In Stock
 $13.06
In Stock
 $13.06
883
Gasket-exhaust
 $7.45

Part Number:793497

In Stock

In Stock

Note: (Part Information Located in Exhaust Group.)
 $7.45
In Stock
 $7.45
883A
Gasket-exhaust
 $9.31

Part Number:796677

In Stock

In Stock
 $9.31
In Stock
 $9.31
943
Seal-o Ring
 $5.80

Part Number:692514

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Oil Pump Cover)
 $5.80
Usually ships in 7 - 12 business days
 $5.80
965
Cover-oil Pump
 $8.47

Part Number:692507

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.47
Usually ships in 7 - 12 business days
 $8.47
988
Gasket-oil Adapter
 $4.99

Part Number:692515

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
993
Gasket-cylinder Head Plate
 $15.06

Part Number:796473

In Stock

In Stock

Note: (Part Information Located in Cylinder Head Group.)
 $15.06
In Stock
 $15.06
1022
Gasket-rocker Cover
 $7.45

Part Number:796480

In Stock

In Stock
 $7.45
In Stock
 $7.45
1024
Pump-oil
 $38.90

Part Number:692508

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $38.90
Usually ships in 7 - 12 business days
 $38.90
1027
Filter-oil
 $20.36

Part Number:798319

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $20.36
Usually ships in 7 - 12 business days
 $20.36
1028
Adapter-oil Filter
 $84.43

Part Number:796522

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $84.43
Usually ships in 7 - 12 business days
 $84.43
1055
Tube-oil Pump
 $8.17

Part Number:796524

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.17
Usually ships in 7 - 12 business days
 $8.17
1430
Cover-breather/reed
 $10.59

Part Number:796476

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.59
Usually ships in 7 - 12 business days
 $10.59
 Fig #
Engine Parts

Repair Guides for Briggs and Stratton Engine 121S75-0131-F2

How to Replace the Fuel Filters in Your Outdoor Power Equipment

This video will help you troubleshoot your fuel-line replacement repairs.

Quick Fix: How to Clean a Spark Arrestor Screen on a Small 2-Cycle Engine

This repair video will instruct you how to repair a dirty or damaged spark arrestor on your small engine.

Quick Fix: How to Replace the Spark Plug in a Small Engine

This video will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.

How to Test a Small Engine for Spark

If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.

Questions & Answers for 121S75-0131-F2


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