Husqvarna
Gas Walk-Behind Mower

Model # 65RSW21HVB Official Husqvarna rotary lawn mower

Here are the diagrams and repair parts for Official Husqvarna 65RSW21HVB rotary lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 119 parts  |

Hex Flange Nut 532145212
#24

Wheels/tires diagram

Hex flange nut

Part #532145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 532145212. Substitute parts can look different from the original.
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Hex Flange Nut 532132010
#20

Wheels/tires diagram

Hex flange nut

Part #532132010

Replaced by #532409149

?
Manufacturer substitution
This part replaces 532132010. Substitute parts can look different from the original.
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Hex Nut 532083923
#33

Wheels/tires diagram

Hex nut

Part #532083923

Replaced by #532409149

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Manufacturer substitution
This part replaces 532083923. Substitute parts can look different from the original.
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Handle Bolt 532184568
#39

Engine/housing/bag diagram

Handle bolt

Part #532184568

Replaced by #532191574

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Manufacturer substitution
This part replaces 532184568. Substitute parts can look different from the original.
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Washer 532851074
#17

Engine/housing/bag diagram

Washer

Part #532851074

Replaced by #851074

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Manufacturer substitution
This part replaces 532851074. Substitute parts can look different from the original.
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Blade,21' 532159267
#16

Engine/housing/bag diagram

Blade,21'

Part #532159267

Replaced by #159267

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Manufacturer substitution
This part replaces 532159267. Substitute parts can look different from the original.
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$8.93
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Pawl.drive.2 532175098
#37

Wheels/tires diagram

Pawl.drive.2

Part #532175098

Replaced by #175098

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Manufacturer substitution
This part replaces 532175098. Substitute parts can look different from the original.
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Lawn Mower Drive Belt 532183688
#50

Wheels/tires diagram

Lawn mower drive belt

Part #532183688

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

Lawn Mower Drive Pinion Torsion Spring (replaces 188291) 532188291
#36

Wheels/tires diagram

Lawn mower drive pinion torsion spring (replaces 188291)

Part #532188291

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O-ring 532188152
#23

Wheels/tires diagram

O-ring

Part #532188152

Replaced by #197480

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Manufacturer substitution
This part replaces 532188152. Substitute parts can look different from the original.
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$4.20
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Symptoms for gas walk-behind mowers

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

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

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: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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…

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

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…

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. …

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…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your 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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