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
Craftsman 9178321 riding lawn mower

Craftsman 9178321 riding lawn mower Parts

Here are the diagrams and repair parts for Craftsman 9178321 riding lawn mower, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 9178321 Riding Mowers & Tractors

  • Dashboard for Craftsman 9178321 - Part 4332H

    Steering assembly diagram

    Dashboard

    Part #4332H

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

  • Screw for Craftsman 9178321 - Part 17890506

    Steering assembly diagram

    Screw

    Part #17890506

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

  • Spring for Craftsman 9178321 - Part 4367H

    Steering assembly diagram

    Spring

    Part #4367H

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

  • Nut for Craftsman 9178321 - Part 03520800

    Wheel assembly diagram

    Nut

    Part #03520800

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

  • Shaft Bearing for Craftsman 9178321 - Part 776014

    Transaxle diagram

    Shaft Bearing

    Part #776014

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

  • Parts List for Craftsman 9178321 - Part 691203

    #NI

    All parts diagram

    Parts List

    Part #691203

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

  • Transaxl Mtg for Craftsman 9178321 - Part 4341H

    Wheel assembly diagram

    Transaxl Mtg

    Part #4341H

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

  • Pulley for Craftsman 9178321 - Part 615A46

    Steering assembly diagram

    Pulley

    Part #615A46

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

  • Shaft for Craftsman 9178321 - Part 615A34

    Steering assembly diagram

    Shaft

    Part #615A34

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

  • Wheel for Craftsman 9178321 - Part 615A54

    Wheel assembly diagram

    Wheel

    Part #615A54

    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

Air Compressor
Bottom-Mount Refrigerator
Dishwasher
Electric Walk-Behind Mower
Exercise Cycle
Front-Engine Lawn Tractor
Gas Range
Gas Water Heater
Lawn & Garden Engine
Miter Saw
Parts
Refrigerator
Side-By-Side Refrigerator
Top-Mount Refrigerator
Washer