Description
Overview:
This genuine Husqvarna washer (MPN 506 77 57 01 / 506775701) is a durable metal spacer and load‐spreading component for Husqvarna ride‐on mowers. It helps distribute clamping forces, protects mating surfaces, and maintains secure fastener torque under vibration, supporting smooth and reliable operation. Engineered for an accurate fit within Husqvarna assemblies, it is suitable for regular maintenance or repair work where a specified washer is required. Ideal for Riders such as the P524EFI and P520D, it supports correct alignment of parts and long service life of the machine. As an OEM part, it matches original specifications to keep your mower performing to the manufacturer's standard.
Key Features:
- Genuine Husqvarna part for assured compatibility and build quality
- Precision fit to original specifications for straightforward installation
- Robust metal construction for dependable service in demanding conditions
- Helps prevent fastener loosening from vibration typical of mower use
- Distributes load to reduce wear on housings, brackets, and bearings
- Supports smooth operation by maintaining correct spacing and alignment
- Suitable for routine maintenance or as a like‐for‐like replacement
- Backed by Husqvarna's engineering standards for reliability and longevity
Typical Applications:
Used wherever the specified washer is called for in Husqvarna Rider and ride‐on mower assemblies, including chassis, steering, linkage, deck, and attachment points. Ideal when refurbishing moving joints, replacing worn hardware, or restoring correct stack height after servicing.
Also known as:
Flat washer, plain washer, spacer washer, load‐spreading washer, mower washer, lawn tractor washer, rider washer, fastener washer.
Fits Models:
P 524EFI Rider, P520 D Rider, P520D Rider, P524 Rider, P524EFI Rider, P525 D Riders, P525D Rider S, PR14 Rider, PR15 Rider, PR17 AWD Rider, PR17 Rider, PR18 Rider, Proflex 1200 Rider, Proflex 18 Rider, Proflex 20 Rider, Proflex 21 AWD Rider, Proflex 21 Rider, R13 C5 Rider, R13C5 Rider, R322T AWD Rider, R418 Ts Rider, R418TS Rider, R422 Ts Rider, R422TS Rider, RIDER16, RIDER18, Rider 1030, Rider 11 BIO, Rider 11 C, Rider 11 R, Rider 11BIO, Rider 11C, Rider 11R, Rider 1200, Rider 13 AWD, Rider 13 BIO, Rider 13 C, Rider 13 R, Rider 13BIO, Rider 13C, Rider 13R, Rider 15 C, Rider 15 T, Rider 15 T AWD, Rider 155, Rider 155 AWD, Rider 155MOW, Rider 15C, Rider 15T, Rider 15T AWD, Rider 15V2, Rider 15V2 AWD, Rider 16, Rider 16 C, Rider 16 C AWD, Rider 16 H, Rider 175, Rider 175 AWD, Rider 18, Rider 18 AWD, Rider 970, Rider 970 HST, Rider PRO 18
Alternate Part Numbers:
506 77 57-01, 506775701
Product Specifications
| L&S Part No. | 506 77 57 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 506775701 |
| Unit of Sale | 1 |
| Applications | P 524EFI Rider, P520 D Rider, P520D Rider, P524 Rider, P524EFI Rider, P525 D Riders, P525D Rider S, PR14 Rider, PR15 Rider, PR17 AWD Rider, PR17 Rider, PR18 Rider, Proflex 1200 Rider, Proflex 18 Rider, Proflex 20 Rider, Proflex 21 AWD Rider, Proflex 21 Rider, R13 C5 Rider, R13C5 Rider, R322T AWD Rider, R418 Ts Rider, R418TS Rider, R422 Ts Rider, R422TS Rider, RIDER16, RIDER18, Rider 1030, Rider 11 BIO, Rider 11 C, Rider 11 R, Rider 11BIO, Rider 11C, Rider 11R, Rider 1200, Rider 13 AWD, Rider 13 BIO, Rider 13 C, Rider 13 R, Rider 13BIO, Rider 13C, Rider 13R, Rider 15 C, Rider 15 T, Rider 15 T AWD, Rider 155, Rider 155 AWD, Rider 155MOW, Rider 15C, Rider 15T, Rider 15T AWD, Rider 15V2, Rider 15V2 AWD, Rider 16, Rider 16 C, Rider 16 C AWD, Rider 16 H, Rider 175, Rider 175 AWD, Rider 18, Rider 18 AWD, Rider 970, Rider 970 HST, Rider PRO 18 |
| Machine Type | Brushcutters, Ride on Mowers |
| Fits Brands | Husqvarna |
| Fits Models | P 524EFI Rider | P520 D Rider | P524 Rider | P525 D Riders | PR14 Rider | PR15 Rider | PR17 Rider | PR17 AWD Rider | PR18 Rider | PROFLEX 1200 Rider | PROFLEX 18 Rider | PROFLEX 20 Rider | PROFLEX 21 Rider | PROFLEX 21 AWD Rider | R13 C5 Rider | R322T AWD Rider | R418 Ts Rider | R422 Ts Rider | RIDER 1030 | RIDER 11 BIO | RIDER 11 C | RIDER 11 R | RIDER 1200 | RIDER 13 AWD | RIDER 13 BIO | RIDER 13 C | RIDER 13 R | RIDER 15 C | RIDER 15 T | RIDER 15 T AWD | RIDER 155 | RIDER 155 AWD | RIDER 15V2 | RIDER 15V2 AWD | RIDER 16 | RIDER 16 C | RIDER 16 C AWD | RIDER 16 H | RIDER 175 | RIDER 175 AWD | RIDER 18 | RIDER 18 AWD | RIDER 970 | RIDER 970 HST | RIDER PRO 18 |
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