Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) engine

Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) engine Parts

Here are the diagrams and repair parts for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) engine, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 12F800 TO 12F899 (1508-1521.1557) Engine

  • Briggs & Stratton Lawn & Garden Equipment Engine Air Filter for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 491588S

    Air base/muffler diagram

    Briggs & Statton Lawn & Garden Equipment Engine Air Filter

    Part #491588

    Replaced by #491588S

    Info Icon
    Manufacturer substitution
    This part replaces 491588. Substitute parts can look different from the original.
    Get free shipping with Automatic Reorder
    In Stock
    $12.46
    14% OFF Phone Price : $14.46Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Fuel Tank Cap for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 796577

    Fuel tank/finger guard diagram

    Briggs & Statton Fuel Cap

    Part #397974

    Replaced by #796577

    Info Icon
    Manufacturer substitution
    This part replaces 397974. Substitute parts can look different from the original.
    In Stock
    $21.86
    22% OFF Phone Price : $27.86Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Carburetor Primer Bulb for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 694395

    Air base/muffler diagram

    Briggs & Statton Carburetor Primer

    Part #496115

    Replaced by #694395

    Info Icon
    Manufacturer substitution
    This part replaces 496115. Substitute parts can look different from the original.
    In Stock
    $7.57
    12% OFF Phone Price : $8.57Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Carburetor Rebuild Kit for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 498260

    Carburetor kit/gasket set diagram

    Briggs & Statton Carburetor

    Part #490937

    Replaced by #498260

    Info Icon
    Manufacturer substitution
    This part replaces 490937. Substitute parts can look different from the original.
    In Stock
    $28.62
    17% OFF Phone Price : $34.62Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Carburetor Rebuild Kit for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 498260

    Carburetor kit/gasket set diagram

    Briggs & Statton Carburetor Kit

    Part #493762

    Replaced by #498260

    Info Icon
    Manufacturer substitution
    This part replaces 493762. Substitute parts can look different from the original.
    In Stock
    $28.62
    17% OFF Phone Price : $34.62Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Fuel Line, Red for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 791766

    Fuel tank/finger guard diagram

    Briggs & Statton Fuel Pipe

    Part #492790

    Replaced by #791766

    Info Icon
    Manufacturer substitution
    This part replaces 492790. Substitute parts can look different from the original.
    In Stock
    $14.43
    12% OFF Phone Price : $16.43Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Carburetor for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 799868

    Throttle shaft/main jet diagram

    Briggs & Statton Carburetor

    Part #497314

    Replaced by #799868

    Info Icon
    Manufacturer substitution
    This part replaces 497314. Substitute parts can look different from the original.
    In Stock
    $87.19
    6% OFF Phone Price : $93.19Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Recoil Starter Pulley for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 498144

    Starter-rewind diagram

    Briggs & Statton Pulley

    Part #281504

    Replaced by #498144

    Info Icon
    Manufacturer substitution
    This part replaces 281504. Substitute parts can look different from the original.
    In Stock
    $28.35
    17% OFF Phone Price : $34.35Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Ignition Coil for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 590454

    Wire harness/brake/interlock switch diagram

    Briggs & Statton Lawn & Garden Equipment Engine Ignition Coil

    Part #802574

    Replaced by #590454

    Info Icon
    Manufacturer substitution
    This part replaces 802574. Substitute parts can look different from the original.
    In Stock
    $80.81
    7% OFF Phone Price : $86.81Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Flywheel Key for Briggs & Stratton 12F800 TO 12F899 (1508-1521.1557) - Part 222698S

    Crankshaft diagram

    Briggs & Statton Key

    Part #222698

    Replaced by #222698S

    Info Icon
    Manufacturer substitution
    This part replaces 222698. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.97
    20% OFF Phone Price : $4.97Info Icon
    Minus Item
    Qty
    Plus Item

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Parts & More

Bottom-Mount Refrigerator
Canister Vacuum
Dishwasher
Dryer
Front-Engine Lawn Tractor
Gas Walk-Behind Mower
Mower Attachment
Parts
Rear-Engine Riding Mower
Rear-Tine Tiller
Side-By-Side Refrigerator