Snapper
Gas Walk-Behind Mower

Model # ECLP21551HV Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper ECLP21551HV lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 140 parts  |

Washer, 5/16 Int. Tooth Lock (6) 9-0391
#22

Handles/controls diagram

Washer, 5/16 int. tooth lock (6)

Part #9-0391

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

Washer 9/32" Flat 9-0055
#38

Cutting deck, blade diagram

Washer 9/32" flat

Part #9-0055

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

Nut, M10 X 1.50 Hex Nyloc 9-1187
#17

Transmission diagram

Nut, m10 x 1.50 hex nyloc

Part #9-1187

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

Cotter-pin, 3/32 X 1/2" (2) 9-0555
#6

Handles/controls diagram

Cotter-pin, 3/32 x 1/2" (2)

Part #9-0555

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

Bolt, 5/16-18 X 1-1/2" Curved Head Carriage (4) 9-1190
#20

Handles/controls diagram

Bolt, 5/16-18 x 1-1/2" curved head carriage (4)

Part #9-1190

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

Axle/transmission Assembly 5-3898
#1

Transmission diagram

Axle/transmission assembly

Part #5-3898

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

Decal, Noise 7-4135
#12

Decals diagram

Decal, noise

Part #7-4135

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

Cotter Pin, Bow-tie Locking (2) 7-3821
#31

Handles/controls diagram

Cotter pin, bow-tie locking (2)

Part #7-3821

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

Control, Engine Speed 2-8887
#14

Handles/controls diagram

Control, engine speed

Part #2-8887

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

Return Spring 2-8888
#26

Transmission diagram

Return spring

Part #2-8888

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.

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

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

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

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

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

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

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.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

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Top questions about Sears and Sears PartsDirect

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