Mercury - Cylinder head - 8494963 Mercury-40HP-EFI-2011 Q1: What engines does this

Q1: What engines does this fit

Marine-Grade Durability – Built to withstand exposure to water

a steady hold on course when the afternoon chop picks up—those small moments rely on a steering system that stays cool and consistent

while remaining your fail-proof lifeline to the information and communication that keeps you safe at sea

Shakespeares Galaxy Style 5396-AIS antenna features commercial-grade fiberglass construction

Mercury - Cylinder head - 8494963 Mercury-40HP-EFI-2011 Q1: What engines does thisThis product has been superseded by: 849496T3 Cylinder headWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other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.