Mercury - Retainer - 843465 4.5L MerCruiser 100 & 300 Hour Service Kits While aftermarket housings might claim

While aftermarket housings might claim compatibility

It’s a quick install that delivers years of dependable service

Color: White

Eliminates Hesitation & Power Loss – A worn sensor can cause erratic acceleration or rough idling—replacing it restores smooth performance

reducing engine wear and enhancing overall performance

Mercury - Retainer - 843465 4.5L MerCruiser 100 & 300 Hour Service Kits While aftermarket housings might claimRetainer WARNING: 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.