Husqvarna Lawn Mower Parts Breakdown & Diagram
Find Husqvarna lawn mower parts diagrams at husqvarna.com/parts or by entering your model number (located under the seat or on the frame). Common replacement parts include blades ($25-45), drive belts ($20-35) and air filters ($10-20). Husqvarna push mowers use 21-22” blades while riding mowers use 2-3 blades sized 42-54” depending on deck width. Most parts ship within 3-5 business days from authorized dealers.
Explore Husqvarna’s Mower Models
Push Mowers
| Series | Engine | Drive |
|---|---|---|
| LC121P | Briggs 163cc | Push |
| LC221A | Briggs 163cc | AWD |
| LC221RH | Honda 160cc | RWD |
| HU800AWD | Briggs 190cc | AWD |
Riding Mowers
| Series | Deck | Engine |
|---|---|---|
| YTH18542 | 42” | Briggs 18.5HP |
| YTH22V46 | 46” | Briggs 22HP |
| YTH24V48 | 48” | Briggs 24HP |
| Z254 | 54” | Kohler 26HP |
[NEED IMAGE: Husqvarna mower lineup overview]
Essential Parts for Push Mowers
Engine Components
| Part | Part Number |
|---|---|
| Air filter | 587195401 |
| Spark plug | RC12YC |
| Carburetor | 587195402 |
| Oil drain plug | 532428287 |
Blade Assembly
| Part | Part Number |
|---|---|
| Blade 22” | 532406712 |
| Blade bolt | 532851084 |
| Blade adapter | 532418373 |
Drive System (Self-Propelled)
| Part | Part Number |
|---|---|
| Drive cable | 532431649 |
| Transmission | 532442559 |
| Drive belt | 532197253 |
| Rear wheel | 532403111 |
[NEED IMAGE: Husqvarna push mower drive system]
Key Components for Riding Mowers
YTH Series Components
| Part | Part Number |
|---|---|
| Deck belt 42” | 532144200 |
| Deck belt 46” | 532405143 |
| Drive belt | 532130801 |
| Blades 42” | 532138498 |
| Blades 46” | 532138971 |
| Spindle | 532130794 |
Transmission Parts
| Part | Part Number |
|---|---|
| Trans filter | 532140403 |
| Hydro oil | 584000501 |
| Trans belt | 532130801 |
Understanding Mower Belt Routing
42” Deck Belt
Belt path:
- Engine PTO pulley
- Left spindle
- Idler pulley
- Right spindle
- Tensioner
- Return to PTO
[NEED IMAGE: Husqvarna 42-inch deck belt diagram]
46” Deck Belt
Similar routing with longer belt.
Belt part number: 532405143
Drive Belt
Belt path:
- Engine crankshaft pulley
- Transmission input
- Tensioner idler
- Return to engine
Frequently Used Husqvarna Part Numbers
Push Mower Maintenance
| Part | Part Number |
|---|---|
| Air filter | 587195401 |
| Spark plug | RC12YC |
| Blade 22” | 532406712 |
| Drive cable | 532431649 |
| Rear wheel | 532403111 |
Riding Mower Maintenance
| Part | Part Number |
|---|---|
| Air filter | 531307044 |
| Oil filter | 531307389 |
| Spark plug | 531308134 |
| Fuel filter | 531307398 |
| Deck belt 42” | 532144200 |
Resources for Finding Mower Parts
Official: husqvarna.com/parts
Aftermarket:
- Oregon
- Stens
- Rotary
Related Guides
Summary
Husqvarna mowers use quality components with good aftermarket support. Most maintenance parts are readily available. Use the official Husqvarna parts lookup for model-specific diagrams and exact part numbers.