The kit is available through several major automotive and specialty retailers: : Listed as Superwinch 89-10580 Heintz Performance : Offers the SUP-89-10580 Freewheel Repair Kit
: Provides Superwinch 89-10580 Winch Replacement Parts. Shop for SUPERWINCH Winch Parts and Components ::
The is a specialized service kit designed to maintain and restore the freewheel function of Superwinch S-Series hubs and winches. This kit is essential for ensuring that wheels or winch drums can engage and disengage smoothly between 2-wheel (Free) and 4-wheel (Lock) drive modes. Core Specifications & Identification Manufacturer Part Number : Alternative Part Numbers : SUP-89-10580 SPW-89-10580 Global Trade Item Number (GTIN) : 0022705003193
: Cover screws should be tightened to 26–35 in. lb. (approximately 30–40 kgf.cm) during reassembly. Where to Buy
: Superwinch free-wheeling hubs are permanently lubricated. If you disassemble them for inspection, do not use grease . Instead, lubricate parts lightly with SAE 30 oil .
: Specifically compatible with models like the S3000, S4000, and S5000.
: Used during vehicle maintenance to replace internal seals or worn components when hubs are disassembled. Critical Maintenance & Installation Guidelines