Part Number: 89984T4
For Mercury Optimax 2.5L non-pro models (serial No. 1B227000 and above). See your owners manual for replacement schedule.
- Provides cooling water to your outboard engine
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your Mercury 4-stroke outboard.
- 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
- Center insert resists tearing to ensure performance