Description
Overview:
This Belt Tensioner Wheel Assembly is a Genuine Husqvarna Part (MPN 505 15 39-01) used to keep drive belts at the correct tension on Husqvarna Rider machines. The assembly combines a robust steel arm with a corrosion-resistant finish, a spring-loaded pivot, and a durable composite pulley with an integrated bearing for smooth belt tracking. By maintaining steady belt tension, it helps deliver reliable power to the cutting deck or transmission and reduces belt slip and wear. It is suited to Husqvarna Rider mowers used in domestic and professional settings, including models such as the P 524EFI Rider and R316 T AWD Rider. Built for regular use, it supports dependable operation and straightforward maintenance of your mower's drive system.
Key Features:
- Genuine Husqvarna part for assured compatibility and performance (MPN 505 15 39-01)
- Steel tensioner arm with protective finish for strength and corrosion resistance
- Hard-wearing composite pulley with integrated bearing for smooth running
- Spring-loaded design keeps consistent belt tension under varying loads
- Helps prevent belt slip, glazing, and premature belt wear
- Supports efficient power transfer to deck or transmission
- Supplied as a complete assembly for straightforward replacement
- Reduces downtime during routine servicing and repairs
- Suitable for frequent use on professional and domestic Rider machines
Typical Applications:
Used to restore or maintain correct drive belt tension on Husqvarna Riders in lawn care, grounds maintenance, estate work, and commercial landscaping. Fit when belts chatter, squeal, or slip, after a belt change, or when the existing tensioner arm or pulley is worn, noisy, or misaligned.
Also known as:
Belt idler, idler pulley assembly, drive belt idler, mower belt tensioner, tensioner arm and pulley, pulley tensioner wheel, deck idler assembly.
Fits Models:
P 524EFI Rider, P524 Rider, Proflex 21 AWD Rider, Proflex 21 Rider, R316 T AWD Rider, R316 T Rider, R316 TX AWD Rider, R316 TX Rider, R316 TXs AWD Rider, R316 Ts AWD Rider, R316 TsX AWD Rider, R318 Rider, R318 X Rider, R320 AWD Rider, R320 X AWD Rider, R322T AWD Rider, R418 TS AWD Rider, R422 Ts AWD Rider, R422 Ts Rider
Alternate Part Numbers:
505 15 39-01, 505153901
Product Specifications
| L&S Part No. | 505 15 39 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 505153901 |
| Unit of Sale | 1 |
| Applications | P 524EFI Rider, P524 Rider, Proflex 21 AWD Rider, Proflex 21 Rider, R316 T AWD Rider, R316 T Rider, R316 TX AWD Rider, R316 TX Rider, R316 TXs AWD Rider, R316 Ts AWD Rider, R316 TsX AWD Rider, R318 Rider, R318 X Rider, R320 AWD Rider, R320 X AWD Rider, R322T AWD Rider, R418 TS AWD Rider, R422 Ts AWD Rider, R422 Ts Rider |
| Machine Type | Lawn Tractors |
| Fits Brands | Husqvarna |
| Fits Models | P 524EFI Rider | P524 Rider | PROFLEX 21 Rider | PROFLEX 21 AWD Rider | R316 T Rider | R316 T AWD Rider | R316 Ts AWD Rider | R316 TsX AWD Rider | R316 TX Rider | R316 TX AWD Rider | R316 TXs AWD Rider | R318 Rider | R318 X Rider | R320 AWD Rider | R320 X AWD Rider | R322T AWD Rider | R418 TS AWD Rider | R422 Ts Rider | R422 Ts AWD Rider |
