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Snapper
Gas Walk-Behind Mower

Model # 7800170 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800170 lawn mower, as well as links to manuals and error code tables, if available.

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  • 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”.

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

Model diagram and schematic

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Showing 10 of 163 parts  |
Rhsnb, 5/16c 7091612
#21

Handles/controls diagram

Rhsnb, 5/16c

Part #7091612

Replaced by #704210

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Manufacturer substitution
This part replaces 7091612. Substitute parts can look different from the original.
$7.69 | 
12% OFF Phone Price : $8.69
In Stock
Cover 7029149
#10B

Guards/covers diagram

Cover

Part #7029149

Replaced by #7029149YP

?
Manufacturer substitution
This part replaces 7029149. Substitute parts can look different from the original.
$44.59 | 
12% OFF Phone Price : $50.59
In Stock
Chute 7042965
#20

Guards/covers 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
Retaining Ring 7014341
#3

Rear wheels (self-propelled) diagram

Retaining ring

Part #7014341

Replaced by #703976

?
Manufacturer substitution
This part replaces 7014341. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Belt 7100058
#7

Transmission diagram

Belt

Part #7100058

Replaced by #7100058YP

?
Manufacturer substitution
This part replaces 7100058. Substitute parts can look different from the original.

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$30.62
In Stock
Knob 7035744
#7

Handles/controls diagram

Knob

Part #7035744

Replaced by #703065

?
Manufacturer substitution
This part replaces 7035744. Substitute parts can look different from the original.
This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
In Stock
Pulley 7078249
#2

Transmission diagram

Pulley

Part #7078249

Replaced by #7078249YP

?
Manufacturer substitution
This part replaces 7078249. Substitute parts can look different from the original.
$23.57
In Stock
Switch Key 7011138
#28

Handles/controls diagram

Switch key

Part #7011138

Replaced by #7011138YP

?
Manufacturer substitution
This part replaces 7011138. Substitute parts can look different from the original.
This item is not returnable
$12.69 | 
14% OFF Phone Price : $14.69
In Stock
Rhssnb, 5/16 7900015
#15

Guards/covers diagram

Rhssnb, 5/16

Part #7900015

Replaced by #7900015YP

?
Manufacturer substitution
This part replaces 7900015. Substitute parts can look different from the original.
This item is not returnable
$7.37
In Stock
Grip, Height Latch 7100633
Grip, height latch

Part #7100633

Replaced by #7103793YP

?
Manufacturer substitution
This part replaces 7100633. Substitute parts can look different from the original.
This item is not returnable
$7.37
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 run rough?

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

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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 vibrate a lot?

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

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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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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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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 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…

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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. …

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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…

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Repair difficulty
Time required
 45 minutes or less

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

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