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Snapper
Gas Walk-Behind Mower

Model # NR21501 Official Snapper lawn mower - series 0 & 1

Here are the diagrams and repair parts for Official Snapper NR21501 lawn mower - series 0 & 1, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 144 parts  |
Wheel 7029011
#2B

Rear wheels diagram

Wheel

Part #7029011

Replaced by #7035726YP

?
Manufacturer substitution
This part replaces 7029011. Substitute parts can look different from the original.
$64.09 | 
9% OFF Phone Price : $70.09
In Stock
Rod Tine 7018499
#3

Accessory-thatcherizer diagram

Rod tine

Part #7018499

Replaced by #7018499YP

?
Manufacturer substitution
This part replaces 7018499. Substitute parts can look different from the original.
$10.94
In Stock
Anchor Lever 7032830
#18

Handles/controls diagram

Anchor lever

Part #7032830

Replaced by #7032830YP

?
Manufacturer substitution
This part replaces 7032830. Substitute parts can look different from the original.
$37.31
In Stock
Bushing 7017696
Bushing

Part #7017696

Replaced by #703971

?
Manufacturer substitution
This part replaces 7017696. Substitute parts can look different from the original.
$10.49
In Stock
Key 7015894
#16

Cutting deck/blade/interlock diagram

Key

Part #7015894

Replaced by #7015894SM

?
Manufacturer substitution
This part replaces 7015894. Substitute parts can look different from the original.
This item is not returnable
$6.23
In Stock
Bushing 7013320
#30

Cutting deck/blade/interlock diagram

Bushing

Part #7013320

Replaced by #7013320YP

?
Manufacturer substitution
This part replaces 7013320. Substitute parts can look different from the original.
$25.43
In Stock
Grip 7027702
Grip

Part #7027702

Replaced by #7103793YP

?
Manufacturer substitution
This part replaces 7027702. Substitute parts can look different from the original.
This item is not returnable
$7.37
In Stock
Charger 7061188
#20

Electric start diagram

Charger

Part #7061188

Replaced by #770625

?
Manufacturer substitution
This part replaces 7061188. Substitute parts can look different from the original.
$66.57 | 
8% OFF Phone Price : $72.57
In Stock
Chute 7042965
#15

Side chute/adapter diagram

Chute

Part #7042965

Replaced by #7042965YP

?
Manufacturer substitution
This part replaces 7042965. Substitute parts can look different from the original.
$74.77 | 
7% OFF Phone Price : $80.77
In Stock
Clip 7012652
#19

Electric start diagram

Clip

Part #7012652

Replaced by #7012652YP

?
Manufacturer substitution
This part replaces 7012652. Substitute parts can look different from the original.
This item is not returnable
$6.46
In Stock

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.…

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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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Top questions about Sears and Sears PartsDirect

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Types of walk-behind mower blades video

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