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Briggs & Stratton
Lawn & Garden Engine

Model # 121S02-2025-F1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121S02-2025-F1 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 189 parts  |
Lawn & Garden Equipment Engine Fuel Tank Cap (replaces 397974, 494277, 692041, 692046, 699985, 793606, Bs-692046, Bs-796577) 796577
#957C

Fuel tank diagram

Lawn & garden equipment engine fuel tank cap (replaces 397974, 494277, 692041, 692046, 699985, 793606, bs-692046, bs-796577)

Part #796577

BEST SELLER
$15.52 | 
25% OFF Was : $20.69
In Stock
Lawn & Garden Equipment Engine Spark Plug 692051
Lawn & garden equipment engine spark plug

Part #692051

BEST SELLER
$8.59 | 
10% OFF Phone Price : $9.59
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces Bs-795066) 795066
#445

Air cleaner diagram

Lawn & garden equipment engine air filter (replaces bs-795066)

Part #795066

BEST SELLER
$16.87 | 
11% OFF Phone Price : $18.87
In Stock
Lawn & Garden Equipment Engine Washer 271716
#276

Carburetor diagram

Lawn & garden equipment engine washer

Part #271716

This item is not returnable
$6.19 | 
14% OFF Phone Price : $7.19
In Stock
Lawn & Garden Equipment Engine Spark Plug Wrench (replaces 19374s, 19576, Bs-19576s) 19576S
Lawn & garden equipment engine spark plug wrench (replaces 19374s, 19576, bs-19576s)

Part #19576S

This item is not returnable

Get free shipping with Automatic Reorder

$9.89 | 
9% OFF Phone Price : $10.89
In Stock
Lawn & Garden Equipment Engine Spark Plug Wire Terminal (replaces 493880, 691234, Bs-493880s) 493880S
#851

Armature magneto diagram

Lawn & garden equipment engine spark plug wire terminal (replaces 493880, 691234, bs-493880s)

Part #493880S

This item is not returnable
$4.75 | 
17% OFF Phone Price : $5.75
In Stock
Lawn & Garden Equipment Engine Ignition Coil 796499
#333

Armature magneto diagram

Lawn & garden equipment engine ignition coil

Part #796499

Replaced by #595554

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Manufacturer substitution
This part replaces 796499. Substitute parts can look different from the original.
$56.79 | 
10% OFF Phone Price : $62.79
In Stock
Lawn & Garden Equipment Engine Crankshaft Oil Seal (replaces 399781, 691989, Bs-399781s) 399781S
#20

Sump/gasket set diagram

Lawn & garden equipment engine crankshaft oil seal (replaces 399781, 691989, bs-399781s)

Part #399781S

This item is not returnable
$11.11 | 
15% OFF Phone Price : $13.11
In Stock
Lawn & Garden Equipment Engine Dipstick Tube O-ring, Upper 691031
Lawn & garden equipment engine dipstick tube o-ring, upper

Part #691031

This item is not returnable
$7.59 | 
12% OFF Phone Price : $8.59
In Stock
Lawn & Garden Equipment Engine Spark Plug Wire Terminal (replaces 224110) 692424
#851A

Armature magneto diagram

Lawn & garden equipment engine spark plug wire terminal (replaces 224110)

Part #692424

This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
In Stock

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