For Mercury 4-stroke outboards 8-9.9hp (serial No. 0R042475 and above) and 20hp 4-stroke outboards (serial No. 0R235168 and above). See your owner's manual for replacement schedule.
Provides cooling water to your outboard engine
For use on Mercury 8-9.9hp 4-stroke outboards (serial No. 0R042475 and above) and 20hp 4-stroke outboards (serial No. 0R235168 and above)
Impeller elastomers provide improved flexibility across broad temperature ranges throughout the boating season
Designed for durability to provide higher flow rates and cooling flow to protect your engine
Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your Mercury 4-stroke outboard