Sierra Marine carburetors are brand-new precision castings designed to meet or surpass OEM standards, with a variety of 2- and 4-barrel replacement styles available.
They’re recalibrated for top fuel efficiency and performance, flow-tested across the full throttle range, and preset for fuel mixture and idle so only minor choke or idle tweaks are needed during install. This model is a natural-finish, electric choke,
Rochester large 2-barrel carburetor for gasoline engines, sold individually, and is a direct replacement for Mercruiser 3310-864943A01 and 3310-861245A1 on 5.7L Mercruiser V8s from 1998 onward.