Snapper
Gas Walk-Behind Mower

Model # RP21500 Official Snapper lawn mower - series 0 & 1

Here are the diagrams and repair parts for Official Snapper RP21500 lawn mower - series 0 & 1, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 151 parts  |

Engine, 16 Or 17hp Briggs (mod 31f777-0115-e1) Electric Start UNAV11
#2L

Throttle controls/engine specs diagram

Engine, 16 or 17hp briggs (mod 31f777-0115-e1) electric start

Part #UNAV11

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

Bail Brake 7024978
Bail brake

Part #7024978

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

Wire Harness 7029081
#14

Electric start diagram

Wire harness

Part #7029081

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

Control Panel Harness (green Wire) UNAV15
#2P

Throttle controls/engine specs diagram

Control panel harness (green wire)

Part #UNAV15

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

Screw, 1/4-28 X 1/4" Hex Socket Set 7013670
Screw, 1/4-28 x 1/4" hex socket set

Part #7013670

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

Drive Shaft 7024547
#8A

Drive system self-propelled diagram

Drive shaft

Part #7024547

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

Wheel 7x1.50 7018189
#9

Accessory-thatcherizer diagram

Wheel 7x1.50

Part #7018189

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

Cross Bar 7033562
Cross bar

Part #7033562

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

Charger, Battery (230 Volt - 50 Hertz)(18977 + 67012) 7061385
#20A

Electric start diagram

Charger, battery (230 volt - 50 hertz)(18977 + 67012)

Part #7061385

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

Latch, Frame Attachement (2) (included In Hardware Bag # 60555) 7032891
#1

Accessory-thatcherizer diagram

Latch, frame attachement (2) (included in hardware bag # 60555)

Part #7032891

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

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

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

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

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…

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 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.…

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.…

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.…

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.

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.…

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.…

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.…