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 121700 TO 121799 (4006-4009) engine Parts

Here are the diagrams and repair parts for Briggs & Stratton 121700 TO 121799 (4006-4009) engine, as well as links to manuals and error code tables, if available.

Briggs & Stratton 121700 TO 121799 (4006-4009) engine
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for 121700 TO 121799 (4006-4009) Engine

  • Briggs & Stratton Lawn And Garden Equipment Engine Spark Plug Boot for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 66538S

    Cylinder/intake - manifold diagram

    Briggs & Statton Elbow Spacer Plug

    Part #66538

    Replaced by #66538S

    Info Icon
    Manufacturer substitution
    This part replaces 66538. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.64
    15% OFF Phone Price : $6.64Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Breather for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 590395

    Cylinder/intake - manifold diagram

    Briggs & Statton Breather Assembly

    Part #494489

    Replaced by #590395

    Info Icon
    Manufacturer substitution
    This part replaces 494489. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $27.02
    18% OFF Phone Price : $33.02Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine O-ring for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 270344S

    Briggs & Statton Seal Int El

    Part #270344

    Replaced by #270344S

    Info Icon
    Manufacturer substitution
    This part replaces 270344. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.23
    16% OFF Phone Price : $6.23Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Hex Screw for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 691127

    Motor-starter diagram

    Briggs & Statton Screw

    Part #94268

    Replaced by #691127

    Info Icon
    Manufacturer substitution
    This part replaces 94268. Substitute parts can look different from the original.
    In Stock
    $30.90
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Valve-choke for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 691182

    Carburetor/valve kit (i) diagram

    Briggs & Statton Choke Valve

    Part #223471

    Replaced by #691182

    Info Icon
    Manufacturer substitution
    This part replaces 223471. Substitute parts can look different from the original.
    In Stock
    $39.21
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Flywheel for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 591282

    Flywheel/guard-finger diagram

    Briggs & Statton Flywheel-mag

    Part #492893

    Replaced by #591282

    Info Icon
    Manufacturer substitution
    This part replaces 492893. Substitute parts can look different from the original.
    In Stock
    $171.31
    7% OFF Phone Price : $183.31Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Breather Cover for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 697734

    Cylinder/intake - manifold diagram

    Briggs & Statton Cylinder Baffle

    Part #224328

    Replaced by #697734

    Info Icon
    Manufacturer substitution
    This part replaces 224328. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $18.96
    10% OFF Phone Price : $20.96Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Hex Screw for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 690664

    Sump-engine/shaft-drive diagram

    Briggs & Statton Screw

    Part #93572

    Replaced by #690664

    Info Icon
    Manufacturer substitution
    This part replaces 93572. Substitute parts can look different from the original.
    In Stock
    $10.24
    16% OFF Phone Price : $12.24Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Breather for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 691781

    Cylinder/intake - manifold diagram

    Briggs & Statton Breather Tube

    Part #231685

    Replaced by #691781

    Info Icon
    Manufacturer substitution
    This part replaces 231685. Substitute parts can look different from the original.
    In Stock
    $41.96
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Carburetor Control Bracket for Briggs & Stratton 121700 TO 121799 (4006-4009) - Part 692021

    Bracket-control diagram

    Briggs & Statton Bracket Carburetor

    Part #495975

    Replaced by #692021

    Info Icon
    Manufacturer substitution
    This part replaces 495975. Substitute parts can look different from the original.
    In Stock
    $79.83
    7% OFF Phone Price : $85.83Info Icon
    Minus Item
    Qty
    Plus Item

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair time and Difficulty

 30 minutes or less
How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair time and Difficulty

 45 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair time and Difficulty

 45 minutes or less

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

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

Central Air Conditioner
Electric Cooktop
Electric Water Heater
Front-Engine Lawn Tractor
Gas Leaf Blower
Gas Pressure Washer
Gas Range
Gas Snowblower
Gas Walk-Behind Mower
Parts
Refrigerator
Side-By-Side Refrigerator
Washer