Description
Overview:
This is a genuine Husqvarna spring for ride‐on mowers, engineered to restore and maintain correct tension in linkages and controls. It is a steel coil tension spring with hooked ends, finished in a metallic silver. The part is designed for Husqvarna Rider and Proflex machines, including PR14 and PR17, and is identified by OEM/MPN 506665601 (OEM No. 506 66 56 01). Typical uses include deck engagement and return or idler mechanisms where stable tension is essential for smooth, safe operation. Key dimensions are 210 mm (8.27 in) overall length, 17 mm (0.67 in) width across the coil, and 2.5 mm (0.10 in) wire thickness. As a genuine part, it offers fit and function matched to the original specification.
Key Features:
- Genuine Husqvarna part for reliable fit and performance on listed Rider and Proflex models
- Robust spring steel construction for consistent tension and long service life
- Dimensions: length 210 mm (8.27 in), width 17 mm (0.67 in), wire 2.5 mm (0.10 in)
- Helps restore smooth deck engagement and precise return action in linkages
- Direct replacement for OEM No. 506 66 56 01 / MPN 506665601
- Stable spring rate helps prevent belt slip and erratic operation
- Straightforward to fit with basic hand tools in routine maintenance
- Suitable for front‐mounted deck Rider machines and articulated Husqvarna mowers
- Durable metallic finish for everyday outdoor use
- Supports safe operation by maintaining correct system tension
Typical Applications:
Used to replace stretched, fatigued, or broken springs in cutter deck engagement, drive belt idler arms, brake/park brake linkages, and pedal or lever return mechanisms on Husqvarna ride‐on mowers. Suitable for domestic large‐garden use, estates, groundskeeping, and commercial maintenance where reliable mower control and belt tension are required.
Also known as:
Tension spring, extension spring, return spring, idler arm spring, deck belt spring, linkage spring, coil spring, Husqvarna Rider spring, mower linkage spring.
Fits Models:
PR14, PR15, PR17, PR17 AWD, PR18, PR18 AWD, PROFLEX1200, PROFLEX18, PROFLEX20, PROFLEX21, PROFLEX21 AWD, R13C5, R213C, R214T, R214T AWD, R214TC, R215TX, R216, R216 AWD, R216T AWD, R316T, R316T AWD, R316TS AWD, R316TSX AWD, R316TX, R316TX AWD, R316TXS AWD, R318, R318X, R320 AWD, R320X AWD, R418, R418 TS AWD, R418TS, R422TS AWD, R422TS, RC318T, RC320TS AWD, RIDER 1030, RIDER 11, RIDER 11 BIO, RIDER 11 C, RIDER 11 R, RIDER 1200, RIDER 13, 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 850, RIDER 850 HST, RIDER 970, RIDER 970 HST, RIDER PRO 18
Alternate Part Numbers:
506 66 56-01, 506665601
