15114-PT0-003 Oil Pump Gasket B - Overview. The 15114-PT0-003 Oil Pump Gasket B is a crucial component in Honda marine engine systems. This gasket serves as a reliable seal for the oil pump assembly, preventing leaks and ensuring the proper flow and pressure of engine oil. Designed specifically for Honda engines, it supports the lubrication system by maintaining a tight seal that keeps oil circulating efficiently, which is vital for engine health and performance. Crafted to match exact factory s