Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

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.

Error Code Icon View engine
Weed Eater HD3Q4E9A tractor
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for HD3Q4E9A Riding Mowers & Tractors

  • Idler Shaft for Weed Eater HD3Q4E9A - Part 124639X

    Transaxle dana diagram

    Idler Shaft

    Part #124639X

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

  • Axle Pin for Weed Eater HD3Q4E9A - Part 132624

    Steering assembly diagram

    Axle Pin

    Part #132624

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

  • Rod for Weed Eater HD3Q4E9A - Part 126971X

    Lift diagram

    Rod

    Part #126971X

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

  • Nut for Weed Eater HD3Q4E9A - Part 73510500

    42" mower deck diagram

    Nut

    Part #73510500

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

  • Ignition Switch Key Cover for Weed Eater HD3Q4E9A - Part 141226

    Electrical diagram

    Ignition Switch Key Cover

    Part #141226

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

  • Black Grille for Weed Eater HD3Q4E9A - Part 140141

    Chassis and enclosures diagram

    Black Grille

    Part #140141

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

  • E-ring for Weed Eater HD3Q4E9A - Part 12000002

    Lift diagram

    E-ring

    Part #12000002

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

  • Lawn Mower Axle, Front for Weed Eater HD3Q4E9A - Part 142033

    Steering assembly diagram

    Lawn Mower Axle, Front

    Part #142033

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

  • Gear 28t for Weed Eater HD3Q4E9A - Part 120408X

    Transaxle dana diagram

    Gear 28t

    Part #120408X

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

  • Intermediate Shaft for Weed Eater HD3Q4E9A - Part 142676

    Transaxle dana diagram

    Intermediate Shaft

    Part #142676

    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.…

Parts & More

Bottom-Mount Refrigerator
Dishwasher
Dryer
Electric Range
Gas Line Trimmer
Gas Range
Parts
Refrigerator
Room Air Conditioner
Side-By-Side Refrigerator
Small Appliance
Snowblower Attachment
Washer
Water Softener
Weight System