Description
Includes: – Crankcase Check Valve Assembly
Fits Models: – WSM Mariner – Yamaha Outboards
Model Years: – Check fitment before purchase
Submodels: – Applies to listed models
Engine Options: – Compatible with standard engine options
Description: This Crankcase Check Valve Assembly is designed for use with WSM Mariner and Yamaha outboard engines ranging from 4 to 300 HP. It ensures proper crankcase ventilation, preventing pressure build-up and maintaining optimal engine performance. This part is essential for the longevity and efficiency of your outboard motor.
Features: – Premium-grade construction for durability – Direct replacement for factory part – Ensures proper engine ventilation – Compatible with a wide range of Yamaha and Mariner outboards – Bolt-on installation
Part Number: 601-300









