90520-ZW1-B00 Shim C Gear (0.30) - Overview. The 90520-ZW1-B00 Shim C Gear (0.30) is a precision gear shim used in Honda marine engine systems. It plays a crucial role within the gear assembly system, providing accurate spacing to ensure the proper meshing and functioning of gears, which is vital for the reliable operation of your marine equipment. Engineered to meet factory specifications, the shim integrates seamlessly with existing hardware, preserving the system's optimal performance and durability.. Key Features. OEM genuine component designed specifically for Honda marine gear assemblies.. Precisely sized at 0.30 mm thickness (Shim C) to fine-tune gear spacing.. Supports reliable and efficient mechanical motion in marine engine drive systems.. Manufactured to match factory dimensions, tolerances, and material quality.. Ensures smooth gear operation, minimizing wear and preventing premature failure.. Designed for clean integration with mating gear, seals, and housings.. Why Choose