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Front-Engine Lawn Tractor

Model # 502256172 Official Craftsman riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 502256172 riding lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for502256172 Riding Mowers & Tractors

  • Pad 790006
    #24

    3-speed transmission diagram

    Pad

    Part #790006

    Replaced by #799021

    ?
    Manufacturer substitution
    This part replaces 790006. Substitute parts can look different from the original.
    BEST SELLER
    $9.87
    9% OFF Phone Price : $10.87
    Back Order
  • Plate 790007
    #25

    3-speed transmission diagram

    Plate

    Part #790007

    Replaced by #790007

    ?
    Manufacturer substitution
    This part replaces 790007. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $5.29
    16% OFF Phone Price : $6.29
    In Stock
  • Pin 786026
    #26

    3-speed transmission diagram

    Pin

    Part #786026

    Replaced by #786026B

    ?
    Manufacturer substitution
    This part replaces 786026. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $4.60
    18% OFF Phone Price : $5.60
    In Stock
  • Craftsman Lawn Tractor Spring 792079
    #42

    3-speed transmission diagram

    Craftsman lawn tractor spring

    Part #792079

    This item is not returnable
    $3.40
    23% OFF Phone Price : $4.40
    In Stock
  • Ball 792077
    #40

    3-speed transmission diagram

    Ball

    Part #792077

    Replaced by #792077A

    ?
    Manufacturer substitution
    This part replaces 792077. Substitute parts can look different from the original.
    This item is not returnable
    $3.40
    23% OFF Phone Price : $4.40
    In Stock
  • 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
  • Race 780072
    #29

    3-speed transmission diagram

    Race

    Part #780072

    Replaced by #780072

    ?
    Manufacturer substitution
    This part replaces 780072. Substitute parts can look different from the original.
    This item is not returnable
    $3.40
    23% OFF Phone Price : $4.40
    In Stock
  • Bevel Pinion 778113A
    #19

    3-speed transmission diagram

    Bevel pinion

    Part #778113A

    Replaced by #778113A

    ?
    Manufacturer substitution
    This part replaces 778113A. Substitute parts can look different from the original.
    $28.64
    17% OFF Phone Price : $34.64
    In Stock
  • Shaft 776135
    #18

    3-speed transmission diagram

    Shaft

    Part #776135

    Replaced by #776135

    ?
    Manufacturer substitution
    This part replaces 776135. Substitute parts can look different from the original.
    $33.59
    15% OFF Phone Price : $39.59
    In Stock
  • Washer 792076
    #39

    3-speed transmission diagram

    Washer

    Part #792076

    Replaced by #792076A

    ?
    Manufacturer substitution
    This part replaces 792076. 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: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

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

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

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

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

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: faulty battery, bad alternator…

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 the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

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

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

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…

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