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Rear-Engine Riding Mower

Model # 917289821 Official Craftsman zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 917289821 zero-turn riding lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for917289821 Riding Mowers & Tractors

  • Washer Screw 539107630
    #34

    Mower deck/cutting deck diagram

    Washer screw

    Part #539107630

    Replaced by #584953901

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    Manufacturer substitution
    This part replaces 539107630. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.49
    42% OFF Was : $4.31
    In Stock
  • Craftsman Lawn Tractor Shoulder Bolt 539107608
    #31

    Mower deck/cutting deck diagram

    Craftsman lawn tractor shoulder bolt

    Part #539107608

    Replaced by #596434404

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    Manufacturer substitution
    This part replaces 539107608. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.97
    25% OFF Phone Price : $3.97
    In Stock
  • Lawn & Garden Equipment Flat Washer 539990692
    #27

    Engine plate diagram

    Lawn & garden equipment flat washer

    Part #539990692

    Replaced by #596134901

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    Manufacturer substitution
    This part replaces 539990692. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $4.56
    18% OFF Phone Price : $5.56
    In Stock
  • Nut.9/16.top 539107590
    #40

    Mower deck/cutting deck diagram

    Nut.9/16.top

    Part #539107590

    Replaced by #596134801

    ?
    Manufacturer substitution
    This part replaces 539107590. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $2.97
    25% OFF Phone Price : $3.97
    In Stock
  • Push Nut 539107626
    #41

    Mower deck/cutting deck diagram

    Push nut

    Part #539107626

    Replaced by #532110452

    ?
    Manufacturer substitution
    This part replaces 539107626. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $4.71
    18% OFF Phone Price : $5.71
    In Stock
  • Pulley 539112171
    #8

    Mower deck/cutting deck diagram

    Pulley

    Part #539112171

    Replaced by #532173436

    ?
    Manufacturer substitution
    This part replaces 539112171. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
  • Bolt, 7/16, Spec 539107522
    #32

    Mower deck/cutting deck diagram

    Bolt, 7/16, spec

    Part #539107522

    Replaced by #532193003

    ?
    Manufacturer substitution
    This part replaces 539107522. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $11.53
    15% OFF Phone Price : $13.53
    In Stock
  • Ignition.swi 539107541
    #7

    Ignition diagram

    Ignition.swi

    Part #539107541

    Replaced by #532175566

    ?
    Manufacturer substitution
    This part replaces 539107541. Substitute parts can look different from the original.
    BEST SELLER
    $34.31
    15% OFF Phone Price : $40.31
    In Stock
  • Husqvarna Lawn Tractor Deck Idler Pulley 532196106
    #9

    Mower deck/cutting deck diagram

    Husqvarna lawn tractor deck idler pulley

    Part #532196106

    BEST SELLER
    $39.12
    13% OFF Phone Price : $45.12
    In Stock
  • Husqvarna Lawn Tractor 54-in Deck Bagging Blade 532187256
    #3

    Mower deck/cutting deck diagram

    Husqvarna lawn tractor 54-in deck bagging blade

    Part #532187256

    BEST SELLER

    Get free shipping with Automatic Reorder

    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.

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…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

How to mow a lawn for healthier grass

How to mow a lawn for healthier grass

How often and tall you mow your lawn has a big impact on its health. Check out these 3 rules.…

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