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

Snapper WM280921B rear-engine riding lawn mower Parts

Here are the diagrams and repair parts for Snapper WM280921B rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.

Snapper WM280921B rear-engine riding lawn mower
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for WM280921B Riding Mowers & Tractors

  • Snapper Hinge, Deflector for Snapper WM280921B - Part 3-3780

    Cutting decks, deflectors diagram

    Snapper Hinge, Deflector

    Part #3-3780

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

  • Snapper Deflector, Heat (euro) for Snapper WM280921B - Part 5-8585

    Exhaust muffler & engines diagram

    Snapper Deflector, Heat (euro)

    Part #5-8585

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

  • Snapper Idler Rod for Snapper WM280921B - Part 1-2055

    Belts, brakes, interlock diagram

    Snapper Idler Rod

    Part #1-2055

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

  • Snapper Lever Spring for Snapper WM280921B - Part 4-6159

    Rails, lift arms, cam lift diagram

    Snapper Lever Spring

    Part #4-6159

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

  • Snapper Belt Guide for Snapper WM280921B - Part 3-1855

    Rails, lift arms, cam lift diagram

    Snapper Belt Guide

    Part #3-1855

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

  • Snapper Assembly, Rear Tire & Rim (includes Items 2a, 3a,4) (25  Models) for Snapper WM280921B - Part 5-2269

    Wheels - rear diagram

    Snapper Assembly, Rear Tire & Rim (includes Items 2a, 3a,4) (25 Models)

    Part #5-2269

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

  • Snapper Spring for Snapper WM280921B - Part 4-6782

    Belts, brakes, interlock diagram

    Snapper Spring

    Part #4-6782

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

  • Snapper Deflector, Discharge (25  Deck) (incl. Item 9) for Snapper WM280921B - Part 5-1976

    Cutting decks, deflectors diagram

    Snapper Deflector, Discharge (25 Deck) (incl. Item 9)

    Part #5-1976

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

  • Snapper Belt Spring for Snapper WM280921B - Part 1-4168

    Belts, brakes, interlock diagram

    Snapper Belt Spring

    Part #1-4168

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

  • Snapper Rail, Deck Lift, Right Hand for Snapper WM280921B - Part 4-3848

    Rails, lift arms, cam lift diagram

    Snapper Rail, Deck Lift, Right Hand

    Part #4-3848

    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
Dryer
Garage Door Opener
Garbage Disposal
Lathe
Microwave
Parts
Range Hood
Refrigerator
Room Air Conditioner
Side-By-Side Refrigerator
Table Saw
Top-Mount Refrigerator
Trash Compactor
Upright Freezer
Upright Vacuum
Water Heater