Can't find your part?   Contact us:   +1-309-603-4777
Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Orders
Your models

Keep track of the models you own in your profile

Sign in or Register to view or add models

Schedule a repair
Front-Engine Lawn Tractor

Model # 502256112 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502256112 riding lawn mower, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for502256112 Riding Mowers & Tractors

  • Idler Pulley 20613
    Idler pulley

    Part #20613

    Replaced by #420613MA

    ?
    Manufacturer substitution
    This part replaces 20613. Substitute parts can look different from the original.
    This item is not returnable
    $26.71
    18% OFF Phone Price : $32.71
    In Stock
  • Belt 20715
    #52

    Lower half diagram

    Belt

    Part #20715

    Replaced by #37X51MA

    ?
    Manufacturer substitution
    This part replaces 20715. Substitute parts can look different from the original.
    In Stock
  • Lock Nut 15X85
    Lock nut

    Part #15X85

    Replaced by #703333

    ?
    Manufacturer substitution
    This part replaces 15X85. Substitute parts can look different from the original.
    This item is not returnable
    $8.47
    11% OFF Phone Price : $9.47
    In Stock
  • Housing 20551
    #51

    Mower housing diagram

    Housing

    Part #20551

    Replaced by #492574MA

    ?
    Manufacturer substitution
    This part replaces 20551. Substitute parts can look different from the original.
    $60.44
    9% OFF Phone Price : $66.44
    In Stock
  • Lock Nut 15X84
    #26

    Mower housing diagram

    Lock nut

    Part #15X84

    Replaced by #703893

    ?
    Manufacturer substitution
    This part replaces 15X84. Substitute parts can look different from the original.
    This item is not returnable
    $11.79
    15% OFF Phone Price : $13.79
    In Stock
  • Bolt STD533107
    Bolt

    Part #STD533107

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

  • Woodruff Key 20062
    #24

    Mower housing diagram

    Woodruff key

    Part #20062

    Replaced by #20062MA

    ?
    Manufacturer substitution
    This part replaces 20062. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
  • Flange Nut 15X79
    Flange nut

    Part #15X79

    Replaced by #703409

    ?
    Manufacturer substitution
    This part replaces 15X79. Substitute parts can look different from the original.
    $9.71
    9% OFF Phone Price : $10.71
    In Stock
  • Washer 10851Z
    Washer

    Part #10851Z

    Replaced by #10851ZMA

    ?
    Manufacturer substitution
    This part replaces 10851Z. Substitute parts can look different from the original.
    In Stock
  • Steer Post 20864
    #20

    Lower half diagram

    Steer post

    Part #20864

    Replaced by #11X16MA

    ?
    Manufacturer substitution
    This part replaces 20864. Substitute parts can look different from the original.
    This item is not returnable
    In Stock

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: faulty battery, bad alternator…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Most common repair guides to help fix your riding mowers & tractors

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

How to replace a mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

How to replace the flywheel key on a riding lawn mower

If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Why your mower loses power when the blades are engaged

Why your mower loses power when the blades are engaged

Blades on, power gone? If your mower sputters or stalls when cutting starts, we’ll help you track down the problem and f…

What's the difference between a lawn tractor and a garden tractor?

What's the difference between a lawn tractor and a garden tractor?

Do you know a lawn tractor from a garden tractor? Take a look at the key differences and discover how each handles your …

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Parts & More

Air Compressor
Bottom-Mount Refrigerator
Central Air Conditioner
Cycling
Dryer
Electric Range
Electric Wall Oven
Fitness & Exercise
Gas Line Trimmer
Gas Walk-Behind Mower
Generator
Lcd Television
Range Hood
Room Air Conditioner
Washer