91-12346T3 Pinion Tool Disc #3 - Overview. The 91-12346T3 Pinion Tool Disc #3 is an essential component used in the pinion tool system supporting Honda marine engine systems. This part plays a critical role in facilitating accurate measurement and adjustment tasks within the pinion tool assembly, ensuring reliable operation and maintenance of Honda marine engines. Engineered to conform strictly to Honda factory specifications, the disc ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision disc designed for use with Honda pinion tool assemblies.. OEM genuine component guaranteeing exact fit and compatibility.. Contributes to precise gear height checking and alignment.. Manufactured to OEM standards for dimensions, tolerances, and materials.. Integrates cleanly with Honda Active Marine systems and tooling hardware.. Maintains durability and operational feel consistent with factory performance.. Why Choose Genuine OEM. U