Mercury - Driver tool - 91-68891T Mercury-300HP-4-6L-V8-Racing-2018 Replacing a worn radiator cap

Replacing a worn radiator cap with a genuine Yamaha component helps restore proper cooling system pressure and supports reliable engine operation

Whether you're replacing an old part or upgrading your engine system

which can improve control feel

and gaskets can wear due to continuous water exposure

guarding your engine’s most exposed parts from electrolysis and corrosion

Mercury - Driver tool - 91-68891T Mercury-300HP-4-6L-V8-Racing-2018 Replacing a worn radiator capDriver tool 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.