Snapper
Rear-Engine Riding Mower

Model #421620BVE Official Snapper rear-engine riding lawn mower

Here are the diagrams and repair parts for Snapper 421620BVE rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Parts List

Showing 10 of 387 parts

Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206SM, 394358, 692064, 7014359, 7014359YP, 75213, BS-394358S)#7

Fuel tank/operators seat 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
$5.56 | 
36% OFF 
MSRP: $8.63
Snowblower Nut#60

Cutting deck, deflectors Diagram

Hln, 1/4c bz

Part #7076978
Replaced by #703232
?
Manufacturer substitution
This part replaces 7076978. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$5.38 | 
33% OFF 
MSRP: $8.00
Lawn & Garden Equipment Engine Fuel Line Clamp#5

Fuel tank/operators seat Diagram

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
$4.74 | 
17% OFF 
Phone Price: $5.74
Lawn Tractor Nut

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Fln 5/16-18

Part #7091601
Replaced by #703409
?
Manufacturer substitution
This part replaces 7091601. Substitute parts can look different from the original.
BEST SELLER
In Stock
$9.27 | 
10% OFF 
Phone Price: $10.27
Bearing#16

Smooth clutch Diagram

Bearing

Part #7011048
Replaced by #7011048YP
?
Manufacturer substitution
This part replaces 7011048. Substitute parts can look different from the original.
This item is not returnable
In Stock
$7.37
Lawn Tractor Parking Brake Switch (replaces 1732006SM, 5022182SM, 7022886)#24

Electrical system Diagram

Switch

Part #7022886
Replaced by #7022886YP
?
Manufacturer substitution
This part replaces 7022886. Substitute parts can look different from the original.
This item is not returnable
In Stock
$26.09 | 
16% OFF 
Phone Price: $31.09
Lawn & Garden Equipment Washer

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Washer, 11/32 x 11/16 x 1/16-in

Part #7090188
Replaced by #703350
?
Manufacturer substitution
This part replaces 7090188. Substitute parts can look different from the original.
This item is not returnable
In Stock
$7.60
Lawn Tractor Mandrel Bearing Retainer Ring#2

Spindle Diagram

Retaining ring

Part #7012491
Replaced by #7012491SM
?
Manufacturer substitution
This part replaces 7012491. Substitute parts can look different from the original.
This item is not returnable
In Stock
$6.89 | 
13% OFF 
Phone Price: $7.89
Lawn Tractor Friction Disc#3

Smooth clutch Diagram

Friction rim

Part #7053103
Replaced by #7600135YP
?
Manufacturer substitution
This part replaces 7053103. Substitute parts can look different from the original.
In Stock
$46.52 | 
15% OFF 
MSRP: $55.00
Lawn Tractor Fuel Tank Cap (replaces 7019377)#3

Fuel tank/operators seat Diagram

Gas cap / ga

Part #7019377
Replaced by #7019377YP
?
Manufacturer substitution
This part replaces 7019377. Substitute parts can look different from the original.
In Stock
$50.29 | 
9% OFF 
Phone Price: $55.29

Symptoms common to all riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: faulty battery, bad alternator
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim

Repair guides common to all riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.

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

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

August 06, 2020

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer

April 09, 2019

Riding mower parts and supplies to stock up on video

Riding mower parts and supplies to stock up on video

Keep these 6 things on hand to keep the mower season running smoothly.

March 01, 2016

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.