45518T1 Shift Lever & Bushing Kit for Mercruiser R MR Alpha | JLM Marine family-yamaha-200etxk How often should I replace

How often should I replace the raw water pump cross piece

and two O-rings (6H1-43861-10)

It is primarily intended for 4

Suitable for 3-cylinder

This replacement belt serves as a direct alternative to OEM part numbers 128170-77350 and 128170-77350E

45518T1 Shift Lever & Bushing Kit for Mercruiser R MR Alpha | JLM Marine family-yamaha-200etxk How often should I replaceShift Lever & Bushing Kit for Mercruiser R MR Alpha Replaces 45518T1 This Shift Lever & Bushing Kit is designed to fit Mercruiser R, MR, and Alpha I drives from 1983 to 1990. It provides a complete replacement solution for worn or damaged shift components, restoring smooth and reliable gear shifting to your sterndrive system. This kit directly replaces OEM part number 45518T1 and cross references with multiple aftermarket numbers including 64518K,