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Snapper
Gas Walk-Behind Mower

Model # R21500 Official Snapper lawn mower - series 0 & 1

Here are the diagrams and repair parts for Official Snapper R21500 lawn mower - series 0 & 1, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 390 parts  |
Blade 2-6691
#14B

Cutting deck/blade/interlock diagram

Blade

Part #2-6691

Replaced by #7026691BZYP

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Manufacturer substitution
This part replaces 2-6691. Substitute parts can look different from the original.
This item is not returnable

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$27.69 | 
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In Stock
Battery 6-1267
#20A

Electric start diagram

Battery

Part #6-1267

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

Decal, Engine - Starter 2-9055
#28

Decals diagram

Decal, engine - starter

Part #2-9055

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

Bracket, Ignition Switch 3-4896
#7

Electric start diagram

Bracket, ignition switch

Part #3-4896

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

Battery Harness 1-5488
#1

Electric start diagram

Battery harness

Part #1-5488

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

Shaft, Pinion (4) 1-1110
#26

Transmission (differential) diagram

Shaft, pinion (4)

Part #1-1110

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

Spacer, Axle Gear 1-2543
#22

Transmission (differential) diagram

Spacer, axle gear

Part #1-2543

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

Decal, Snapper 2.50 Dia. 2-4279
#17

Decals diagram

Decal, snapper 2.50 dia.

Part #2-4279

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

Nut, 1/4-28 Hex Grade 5 Or B (2) 9-1024
Nut, 1/4-28 hex grade 5 or b (2)

Part #9-1024

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

Bolt, 5/16-18 Shoulder 1-5761
Bolt, 5/16-18 shoulder

Part #1-5761

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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.…

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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