Snapper
Gas Walk-Behind Mower

Model #SPA521-SERIES 1-2 Official Snapper gas walk-behind lawn mower

Here are the diagrams and repair parts for Snapper SPA521-SERIES-1-2 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Showing 10 of 408 parts

Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206SM, 394358, 692064, 7014359, 7014359YP, 75213, BS-394358S)#8

Fuel tank Diagram

Filter

Part #7014359
Replaced by #394358S
?
Manufacturer substitution
This part replaces 7014359. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$4.31 | 
50% OFF 
MSRP: $8.63
Lawn & Garden Equipment Engine Fuel Line Clamp

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Clamp

Part #7029900
Replaced by #791850
?
Manufacturer substitution
This part replaces 7029900. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$4.27 | 
19% OFF 
Phone Price: $5.27
Lawn Tractor Starter Solenoid (replaces 7075622SM, 75622)#16

Tank bracket Diagram

Solenoid, su

Part #7018604
Replaced by #1755382YP
?
Manufacturer substitution
This part replaces 7018604. Substitute parts can look different from the original.
In Stock
$37.56 | 
12% OFF 
Phone Price: $42.56
Snowblower Nut

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Nut, hex lock, 5/16c esna yz

Part #7091298
Replaced by #703902
?
Manufacturer substitution
This part replaces 7091298. Substitute parts can look different from the original.
This item is not returnable
In Stock
$4.66 | 
34% OFF 
MSRP: $7.10
Lawn & Garden Equipment Washer#15

Oil tank (all except splh231khe) Diagram

Fw, .28x.63x

Part #7091294
Replaced by #703332
?
Manufacturer substitution
This part replaces 7091294. Substitute parts can look different from the original.
This item is not returnable
In Stock
$7.09 | 
12% OFF 
Phone Price: $8.09
Lawn Tractor Ignition Key#1

Loop handle/control series 1 & 2 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
In Stock
$12.69 | 
14% OFF 
Phone Price: $14.69
Lawn & Garden Equipment Cap Screw

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Hhcs 5/16

Part #7027168
Replaced by #703585
?
Manufacturer substitution
This part replaces 7027168. Substitute parts can look different from the original.
In Stock
$8.26
Lawn & Garden Equipment Nut#5

Fuel tank Diagram

Hln 10

Part #7091290
Replaced by #703412
?
Manufacturer substitution
This part replaces 7091290. Substitute parts can look different from the original.
This item is not returnable
In Stock
$7.09 | 
12% OFF 
Phone Price: $8.09
Lawn & Garden Equipment Hex Cap Screw#4A

Rear deck Diagram

Hhcs, 7/16f

Part #7027266
Replaced by #7027266SM
?
Manufacturer substitution
This part replaces 7027266. Substitute parts can look different from the original.
In Stock
$12.09 | 
14% OFF 
Phone Price: $14.09
Lawn Tractor Shoulder Bolt#12

48"/52"/61" mower deck Diagram

Bolt

Part #7029265
Replaced by #7029265SM
?
Manufacturer substitution
This part replaces 7029265. Substitute parts can look different from the original.
This item is not returnable
In Stock
$20.09

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
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
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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

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 cracked.

Repair difficulty
Time required
 15 minutes or less
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

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to replace this tiny but essential part.

Repair difficulty
Time required
 45 minutes or less

Articles and videos common to all 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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