For Mercury OptiMax 75-115hp 2-stroke outboards and Mercury 30-350hp 4-stroke outboards, and MerCruiser Alpha One Gen II and Vazer sterndrives. See your owner’s manual for replacement schedule.
- Provides cooling water to your outboard engine
- Impeller elastomers provide improved flexibility across broad temperature ranges throughout the boating season
- Center insert resists tearing to ensure performance
- Center insert resists tearing to ensure performance
- Designed for durability to provide higher flow rates and cooling flow to protect your engine
The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original equipment replacement engine parts, oils, and accessories, but also works to serve all original equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection, and peace of mind.