Description
Overview:
The Pulley for Husqvarna CTH150 and CTH172 lawn tractors, Manufacturer Part Number (MPN) 532 19 81-45 (also listed as 532198145), is a Genuine Husqvarna OEM component for the machine’s belt drive system. Built from robust steel, it helps transfer power and maintain smooth belt tracking between the engine, transmission, and cutting deck assemblies, depending on model specification. This replacement pulley restores correct belt alignment, reduces slippage, and supports consistent cutting and drive performance. Designed specifically for Husqvarna CTH-series garden tractors, it offers the correct profile and fit for reliable service. If your original pulley is worn, noisy, or damaged, fitting this genuine part helps prevent premature belt wear and improves overall drive efficiency on models such as the CTH150 and CTH172.
Key Features:
- Genuine Husqvarna OEM part for assured compatibility and quality
- Direct replacement for OEM No. 532 19 81-45; also referenced as 532198145
- Durable steel construction for long service life in demanding garden tractor use
- Correct pulley profile to support smooth belt tracking and power transmission
- Helps maintain belt alignment, reducing slip, heat build-up, and premature belt wear
- Engineered to match original fitment on specified CTH models
- Straightforward replacement using standard hand tools (follow your service manual)
- Suitable for belt drive locations specified for the model, including deck or drive routing
Typical Applications:
Used on Husqvarna CTH-series lawn and garden tractors to support the belt drive system, typically on the cutting deck or drive belt path depending on model. Ideal when belts are jumping, glazing, squealing, or when an original pulley has become bent, worn, or seized. Suitable for routine maintenance by homeowners, groundskeepers, and contractors who need dependable drive performance on medium to large lawn areas.
Also known as:
This part may also be referred to as a belt pulley, deck pulley, drive pulley, or idler pulley (application varies by model). It is sometimes called a mower pulley or garden tractor pulley within Husqvarna/AYP parts catalogues and service literature.
Fits Models:
CTH150, CTH172, CTH180, CTH191, CTH200
Alternate Part Numbers:
532 19 81-45, 532198145
Product Specifications
| L&S Part No. | 532 19 81 45 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 532198145 |
| Unit of Sale | 1 |
| Machine Type | Lawn Mowers |
| Fits Brands | Husqvarna |

