For Mercury 4-6hp 4-stroke outboards (serial No. 0R411838 and above). See your owner’s manual for replacement schedule.
- Provides cooling water to your outboard engine
- For use on Mercury 4-6hp 4-stroke outboards (Serial No.: 0R411838 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