Transmission Parts

280 products

Transmission Parts for Harley-Davidson ensure smooth power delivery and reliable shifting across every model year. As an Iron City authorised Harley-Davidson dealer, we stock a comprehensive range of transmission components covering four-speed Big Twins from 1941-1986, five-speed evolutions, and modern six-speed transmissions found in contemporary Harley-Davidson motorcycles. Our inventory includes gears, shafts, bearings, seals, and complete transmission rebuild kits for Sportster, Dyna, Softail, and Touring platforms spanning 1952 through to current models. We offer trusted brands including MCS, Andrews, and Jims, each manufacturing to exacting tolerances that meet or exceed original equipment specifications. Whether you are addressing worn synchronisers, upgrading to a higher-ratio gearset, or undertaking a complete transmission overhaul, quality components are essential for maintaining the mechanical integrity of your drivetrain. Browse the full range below.