Air Filter – Fits Yanmar 2GM, 3GM, 2YM, 3YM Series (Replaces 128270-12540, 128377-12530) 151HP 0 4-Stroke 33636 Westerbeke 4

0 4-Stroke 33636 Westerbeke 4

Locate the alternator and loosen its pivot and adjustment bolts to relieve tension on the old belt

Ensure the engine is off and fully cool before beginning work

Installation is simple: tilt your motor up

While some aftermarket sources suggest compatibility

Air Filter – Fits Yanmar 2GM, 3GM, 2YM, 3YM Series (Replaces 128270-12540, 128377-12530) 151HP 0 4-Stroke 33636 Westerbeke 4Product Details This replacement Air Filter Fits Yanmar 2GM, 3GM, 2YM, 3YM Series Marine Engines is engineered to protect your engine by preventing airborne contaminants from entering the intake system. It is designed for a broad range of Yanmar marine diesel engines, including the 2GM and 3GM series (19802005) as well as the 2YM and 3YM series (20042015). This element serves as a direct interchange for Yanmar part numbers 128270 12540 and 128377