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Snapper
Rear-Engine Riding Mower

Model # 421618BVE Official Snapper rear-engine riding lawn mower

Here are the diagrams and repair parts for Official Snapper 421618BVE rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 404 parts  |
Blade 2-6691
#6

Cutting decks, deflectors diagram

Blade

Part #2-6691

Replaced by #7026691BZYP

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Manufacturer substitution
This part replaces 2-6691. Substitute parts can look different from the original.
This item is not returnable

Get free shipping with Automatic Reorder

$27.69 | 
18% OFF Phone Price : $33.69
In Stock
Filter 1-4359
#7

Fuel tank & operator's seat diagram

Filter

Part #1-4359

Replaced by #394358S

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Manufacturer substitution
This part replaces 1-4359. Substitute parts can look different from the original.
$6.67 | 
13% OFF Phone Price : $7.67
In Stock
Screw, #10-24 X 1/2" Hex Washer Head, Self-tapping (2) 9-0307
#13

Chain case, l.h. fender diagram

Screw, #10-24 x 1/2" hex washer head, self-tapping (2)

Part #9-0307

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

Hair Pin, 3/32 X 1-1/2" (3) 9-1503
Hair pin, 3/32 x 1-1/2" (3)

Part #9-1503

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

Key (pair) 1-1138
#14

Electrical system diagram

Key (pair)

Part #1-1138

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

Bolt, 3/8-24 Shoulder, Grade 5 1-5495
Bolt, 3/8-24 shoulder, grade 5

Part #1-5495

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

Screw, 3/8-16 X 3/4" Hex (2) 9-0134
#24

Rails, lift arms, cam lift diagram

Screw, 3/8-16 x 3/4" hex (2)

Part #9-0134

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

Spacer, Short Axle 3-2107
#4

Differential, r.h. fender diagram

Spacer, short axle

Part #3-2107

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

Pad, Foot (right Side Shown) 2-3663
#18

Front end steering diagram

Pad, foot (right side shown)

Part #2-3663

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

Screw, 3/8-16 X 1-1/2" Cap, Gr. 5 9-1497
Screw, 3/8-16 x 1-1/2" cap, gr. 5

Part #9-1497

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

Most common symptoms to help you fix your riding mowers & tractors

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

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Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

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How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

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Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

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Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

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Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

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Most common repair guides to help fix your riding mowers & tractors

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

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How to replace the seat switch on a riding lawn mower

How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower spark plug

How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower rear tire

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.…

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Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your 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.

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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.…

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Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

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Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…

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