Mercury - Cylinder head - 900-841021A2 Yamaha Marine Fuel/Water Separating Filters & Wrenches Design Details: One-piece cast stainless

Design Details: One-piece cast stainless construction ensures precise balance

It’s a small bit of maintenance that makes a big difference on the water

allowing the anodes to sacrifice themselves before corrosion ever reaches your sterndrive

With the 8866J01 installed

It removes water spots and adds a protective

Mercury - Cylinder head - 900-841021A2 Yamaha Marine Fuel/Water Separating Filters & Wrenches Design Details: One-piece cast stainlessThis product has been superseded by: 900 841021A08 Cylinder headWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.