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

Craftsman 143996503 4-cycle engine Parts

Here are the diagrams and repair parts for Craftsman 143996503 4-cycle engine, as well as links to manuals and error code tables, if available.

Craftsman 143996503 4-cycle engine
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 143996503 4-Cycle Engine

  • Lawn & Garden Equipment Engine Piston And Ring Kit for Craftsman 143996503 - Part 63178

    #40

    All parts diagram

    Lawn & Garden Equipment Engine Piston And Ring Kit

    Part #40004

    Replaced by #63178

    Info Icon
    Manufacturer substitution
    This part replaces 40004. Substitute parts can look different from the original.
    In Stock
    $67.02
    Minus Item
    Qty
    Plus Item
  • Snowblower Tune-up Kit for Craftsman 143996503 - Part 730281A

    #NI

    All parts diagram

    Kit

    Part #730281

    Replaced by #730281A

    Info Icon
    Manufacturer substitution
    This part replaces 730281. Substitute parts can look different from the original.
    In Stock
    $27.60
    Minus Item
    Qty
    Plus Item
  • Tecumseh Valve Lifter for Craftsman 143996503 - Part 35616A

    #48

    All parts diagram

    Valve Lifter

    Part #35616

    Replaced by #35616A

    Info Icon
    Manufacturer substitution
    This part replaces 35616. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.17
    Minus Item
    Qty
    Plus Item
  • Cap for Craftsman 143996503 - Part 640053

    Carburetor 640058 diagram

    Cap

    Part #640053

    The manufacturer no longer makes this part, and there's no substitute part

  • Tecumseh Baffle for Craftsman 143996503 - Part 37710

    #25A

    All parts diagram

    Baffle

    Part #36869

    Replaced by #37710

    Info Icon
    Manufacturer substitution
    This part replaces 36869. Substitute parts can look different from the original.
    In Stock
    $12.11
    Minus Item
    Qty
    Plus Item
  • Cover for Craftsman 143996503 - Part 36907A

    #281

    All parts diagram

    Cover

    Part #36907

    Replaced by #36907A

    Info Icon
    Manufacturer substitution
    This part replaces 36907. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.17
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Recoil Starter for Craftsman 143996503 - Part 590789

    #390

    All parts diagram

    Starter

    Part #590749

    Replaced by #590789

    Info Icon
    Manufacturer substitution
    This part replaces 590749. Substitute parts can look different from the original.
    In Stock
    $87.46
    6% OFF Phone Price : $93.46Info Icon
    Minus Item
    Qty
    Plus Item
  • Craftsman Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket for Craftsman 143996503 - Part 631028A

    Carburetor 640058 diagram

    Lawn Mower O-ring

    Part #631028

    Replaced by #631028A

    Info Icon
    Manufacturer substitution
    This part replaces 631028. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.90
    26% OFF Phone Price : $3.90Info Icon
    Minus Item
    Qty
    Plus Item
  • Craftsman Lawn & Garden Equipment Engine Connecting Rod for Craftsman 143996503 - Part 32875B

    #45

    All parts diagram

    Connecting Rod

    Part #32875A

    Replaced by #32875B

    Info Icon
    Manufacturer substitution
    This part replaces 32875A. Substitute parts can look different from the original.
    In Stock
    $45.41
    12% OFF Phone Price : $51.41Info Icon
    Minus Item
    Qty
    Plus Item
  • Starter Cup for Craftsman 143996503 - Part 35985C

    #285

    All parts diagram

    Starter Cap

    Part #35985B

    Replaced by #35985C

    Info Icon
    Manufacturer substitution
    This part replaces 35985B. Substitute parts can look different from the original.
    In Stock
    $17.33
    10% OFF Phone Price : $19.33Info 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

Bottom-Mount Refrigerator
Dishwasher
Electric Range
Electric Wall Oven
Handheld Vacuum
Microwave/Hood Combo
Parts
Repair
Room Air Conditioner
Top-Mount Refrigerator
Washer
Water & Ice System