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Snapper
Gas Walk-Behind Mower

Model # EP21450 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper EP21450 lawn mower, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 124 parts  |
Thatcherizer 7061256
#0

Accessory-thatcherizer diagram

Thatcherizer

Part #7061256

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

Wire 7026879
#37

Cutting deck/blade/interlock diagram

Wire

Part #7026879

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

Bag Adapter 7051951
#1

Side chute/adapter diagram

Bag adapter

Part #7051951

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

Cover 7029080
#8

Electric start diagram

Cover

Part #7029080

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

Logo, Ninja 7026384
#1

Decals (part 1) diagram

Logo, ninja

Part #7026384

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

Decal, Gs (european Models Only) 7023008
#11

Decals (part 1) diagram

Decal, gs (european models only)

Part #7023008

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

Decal 7014062
#27

Accessory-thatcherizer diagram

Decal

Part #7014062

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

Engine, Robin (model Ec130v-51110) 4 Hp UNAV13
#2N

Throttle controls/engine specs diagram

Engine, robin (model ec130v-51110) 4 hp

Part #UNAV13

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

Engine, 11.5hp B&s Mod. #21c2140115e1 (ce/export) UNAV6
#2G

Throttle controls/engine specs diagram

Engine, 11.5hp b&s mod. #21c2140115e1 (ce/export)

Part #UNAV6

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

Handle 7024889
#1

Handle/controls (1996) diagram

Handle

Part #7024889

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 vibrate a lot?

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

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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 does my lawn mower run rough?

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

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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 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 stall?

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

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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.…

Read more
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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