SKU:17-0558
OE high-contact 4th gear mainshaft designed for Harley-Davidson FXST models with a 5-speed Big Twin transmission. Manufactured in the USA, this replacement mainshaft delivers precise fit and reliable performance to keep the transmission operating smoothly.
Designed for FXST models from 1994 through 2003. For 1979-1993 models, installation requires the separate 4th Gear Countershaft (Part #17-0559).
OEM cross reference: 35028-94, ensuring compatibility with original Harley-Davidson parts. The mainshaft features precise dimensions for seamless integration with existing transmission components, reducing installation time and increasing reliability.
Durability and construction are tailored to withstand daily riding stresses, providing a long-lasting solution for transmission repairs or upgrades.
Accessory items to facilitate installation: 5-Speed Main Drive Gear Installer (SKU 16-0994), Jim's Main Driver Tool Set (SKU 16-0664), and Transmission Door Remover and Installer Tool (SKU 16-0756).
OE high contact mainshaft 4th gear for 5-speed Big Twins stock ratio.The OE 4th Gear Mainshaft is a high-quality replacement component designed specifically for Harley Davidson FXST models from 1994 to 2003. Crafted in the USA, this mainshaft ensures precise fit and reliable performance, making it an essential part for maintaining smooth transmission operation. Please note that this part can be used on models from 1979 to 1993, but requires the separate purchase of the 4th gear countershaft (Part #17-0559) for proper installation. This compatibility ensures versatility across a broad range of Harley Davidson motorcycles, providing a durable solution for transmission repairs or upgrades.
Designed with durability and precision in mind, the OE 4th Gear Mainshaft features a robust construction that withstands the stresses of daily riding. Its accurate dimensions ensure seamless integration with existing transmission components, reducing installation time and increasing reliability. The part's OEM cross-reference number, 35028-94, guarantees compatibility with original Harley Davidson parts, providing peace of mind for both professional mechanics and DIY enthusiasts. For optimal installation, consider using accessory items such as the 5-Speed Main Drive Gear Installer (SKU 16-0994), Jim's Main Driver Tool Set (SKU 16-0664), and the Transmission Door Remover and Installer Tool (SKU 16-0756). These tools facilitate efficient assembly and disassembly, ensuring a professional-quality repair.
Whether you're performing routine maintenance or a complete transmission overhaul, the OE 4th Gear Mainshaft is designed to deliver dependable performance and longevity. Its precise engineering and American manufacturing heritage make it a reliable choice for Harley Davidson owners seeking to restore or enhance their motorcycle's transmission system.
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