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

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
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

  • Riding Lawn Mower Grille Lens for Weed Eater HD3Q4E9A - Part 140273

    Chassis and enclosures diagram

    Riding Lawn Mower Grille Lens

    Part #140273

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

  • Gear 31t for Weed Eater HD3Q4E9A - Part 105937X

    Transaxle dana diagram

    Gear 31t

    Part #105937X

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

  • Throttle Control for Weed Eater HD3Q4E9A - Part 141295

    Engine diagram

    Throttle Control

    Part #141295

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

  • Decal.fend.q for Weed Eater HD3Q4E9A - Part 138804

    Decals diagram

    Decal.fend.q

    Part #138804

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

  • Gear for Weed Eater HD3Q4E9A - Part 142675

    Transaxle dana diagram

    Gear

    Part #142675

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

  • Key for Weed Eater HD3Q4E9A - Part 2244J

    Transaxle dana diagram

    Key

    Part #2244J

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

  • Boot for Weed Eater HD3Q4E9A - Part 134399

    Transaxle dana diagram

    Boot

    Part #134399

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

  • Screw for Weed Eater HD3Q4E9A - Part 106596X

    Transaxle dana diagram

    Screw

    Part #106596X

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

  • Riding Lawn Mower Engine Harness for Weed Eater HD3Q4E9A - Part 140712

    Electrical diagram

    Riding Lawn Mower Engine Harness

    Part #140712

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

  • Lawn Tractor Trunnion for Weed Eater HD3Q4E9A - Part 142028

    42" mower deck diagram

    Lawn Tractor Trunnion

    Part #142028

    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