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Weed Eater HD3Q4E9A tractor

Weed Eater HD3Q4E9A tractor Parts

Here are the diagrams and repair parts for Weed Eater HD3Q4E9A tractor, as well as links to manuals and error code tables, if available.

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Browse Parts for HD3Q4E9A Riding Mowers & Tractors

  • Gear 20t for Weed Eater HD3Q4E9A - Part 120407X

    Transaxle dana diagram

    Gear 20t

    Part #120407X

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

  • Decal Panel for Weed Eater HD3Q4E9A - Part 148819

    Decals diagram

    Decal Panel

    Part #148819

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

  • Gear Assembly for Weed Eater HD3Q4E9A - Part 110079X

    Transaxle dana diagram

    Gear Assembly

    Part #110079X

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

  • Exhaust Assembly, Right for Weed Eater HD3Q4E9A - Part 144068

    Engine diagram

    Exhaust Assembly, Right

    Part #144068

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

  • Nut for Weed Eater HD3Q4E9A - Part 73220400

    Electrical diagram

    Nut

    Part #73220400

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

  • Keeper for Weed Eater HD3Q4E9A - Part 129921

    Drive diagram

    Keeper

    Part #129921

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

  • Battery Drain Tube for Weed Eater HD3Q4E9A - Part 109238X

    Electrical diagram

    Battery Drain Tube

    Part #109238X

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

  • Extension Plate for Weed Eater HD3Q4E9A - Part 139978

    Chassis and enclosures diagram

    Extension Plate

    Part #139978

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

  • Battery for Weed Eater HD3Q4E9A - Part 146139

    Electrical diagram

    Battery

    Part #146139

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

  • Bolt for Weed Eater HD3Q4E9A - Part 131340

    42" mower deck diagram

    Bolt

    Part #131340

    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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