9526-1 Bypass plug, oil pump

This Colony oil pump bypass plug is a perfect reproduction for riders looking to maintain the authentic look and function of their vintage Harley-Davidson. Finished in high-quality chrome, this bypass valve serves as a direct replacement for OEM part 26367-36. It is designed to fit 1936 to 1952 Big Twin OHV and Flathead models, as well as 1937 to 1952 45" Flathead motorcycles. Whether you are performing a period-correct restoration or simply replacing a worn-out component, this plug ensures your oil pump's bypass system operates correctly while adding a clean, polished finish to your engine cases. It is the kind of small detail that makes a big difference in a classic build.