Jonsered
Gas Walk-Behind Mower

Model #L4721-96795730100 Official Jonsered gas lawn mower

Here are the diagrams and repair parts for Jonsered L4721-96795730100 gas 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 231 parts

Lawn Mower Wheel Dust Cover (replaces 189403, 532189403, 5321894-03)#18

Mower deck/cutting deck Diagram

Lawn mower wheel dust cover (replaces 189403, 532189403, 5321894-03)

Part #581840401
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Lawn Mower Transmission Axle Pin (replaces 404845, 5324048-45)#41

Mower deck/cutting deck Diagram

Lawn mower transmission axle pin (replaces 404845, 5324048-45)

Part #532404845
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Lawn Mower Wheel (replaces 405745X427, 405745X460, 532413584)#57

Mower deck/cutting deck Diagram

In Stock
$31.09 | 
14% OFF 
Phone Price: $36.09
Lawn Mower Washer (replaces 67725)#66

Mower deck/cutting deck Diagram

Lawn mower washer (replaces 67725)

Part #532067725
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Lawn Mower 21-In Deck Blade (replaces 586859602)#5

Engine Diagram

Blade.21.rea

Part #586859602
Replaced by #586859604
?
Manufacturer substitution
This part replaces 586859602. Substitute parts can look different from the original.
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Lawn Mower Drive Gear (replaces 532404835)#19

Mower deck/cutting deck Diagram

Lawn mower drive pinion gear

Part #532404835
Replaced by #404835
?
Manufacturer substitution
This part replaces 532404835. Substitute parts can look different from the original.
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Lawn Mower Idler Pulley (replaces 581904001)#59

Mower deck/cutting deck Diagram

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Lawn Mower Ground Drive Belt, 3/8 x 63-1/2-in#35

Mower deck/cutting deck Diagram

Lawn mower ground drive belt, 3/8 x 63-1/2-in

Part #580364609
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Lawn Mower Idler Pulley (replaces 580364301, 596856601, 596856602)#29

Mower deck/cutting deck Diagram

Lawn mower idler pulley (replaces 580364301, 596856601, 596856602)

Part #587969201
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Lawn Mower Deck Belt Cover#34

Mower deck/cutting deck Diagram

Lawn mower deck belt cover

Part #586560401
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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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