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Companion 917278040 lawn tractor Parts

Here are the diagrams and repair parts for Companion 917278040 lawn tractor, as well as links to manuals and error code tables, if available.

Companion 917278040 lawn tractor
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Browse Parts for 917278040 Riding Mowers & Tractors

  • Husqvarna Lawn Tractor Attachment Hitch Pin for Companion 917278040 - Part 532003146

    Mower lift diagram

    Zinc Retainer Spring

    Part #163552

    Replaced by #532003146

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    Manufacturer substitution
    This part replaces 163552. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.31
    16% OFF Phone Price : $6.31Info Icon
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  • Lawn Tractor Chassis Reinforcement Plate for Companion 917278040 - Part 532175702

    Chassis and enclosures diagram

    Lawn Tractor Chassis Reinforcement Plate

    Part #175702

    Replaced by #532175702

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    Manufacturer substitution
    This part replaces 175702. Substitute parts can look different from the original.
    In Stock
    $31.37
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  • Craftsman Lawn Tractor Bolt for Companion 917278040 - Part 872110618

    Steering assembly diagram

    Bolt

    Part #72110618

    Replaced by #872110618

    Info Icon
    Manufacturer substitution
    This part replaces 72110618. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.40
    11% OFF Phone Price : $9.40Info Icon
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  • Wizard Lawn Tractor Tire Valve Stem for Companion 917278040 - Part 65139

    Wheels and tires diagram

    Wizard Lawn Tractor Tire Valve Stem

    Part #65139

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

  • Lawn Tractor Tire Inner Tube for Companion 917278040 - Part 7152J

    Wheels and tires diagram

    Lawn Tractor Tire Inner Tube

    Part #7152J

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

  • Lawn Mower Steering Wheel for Companion 917278040 - Part 140044X428

    Steering assembly diagram

    Lawn Mower Steering Wheel

    Part #140044X428

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

  • Weed Eater Riding Lawn Mower Engine Pulley for Companion 917278040 - Part 180219

    Drive diagram

    Weed Eater Riding Lawn Mower Engine Pulley

    Part #180219

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

  • Lawn Tractor Transaxle Detent Spring for Companion 917278040 - Part 142969

    Hydro-gear transaxle 322-0510 diagram

    Lawn Tractor Transaxle Detent Spring

    Part #142969

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

  • Nut for Companion 917278040 - Part STD541437

    Nut

    Part #STD541437

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

  • Fender Adjustment Shift Rod for Companion 917278040 - Part 165866

    Drive diagram

    Fender Adjustment Shift Rod

    Part #165866

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

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator...

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

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 solenoid on a riding lawn mower

How to replace the starter solenoid on a riding lawn mower

Replace the starter solenoid if it doesn't click when you turn the ignition key....

Repair time and Difficulty

 30 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 time and Difficulty

 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up....

Repair time and Difficulty

 15 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.

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....

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean....

Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery....

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