Exhaust Bellows – Fits Mercruiser Alpha One & Bravo Drives (Replaces 18654A1, 32734A3) 370HP All our parts are manufactured

All our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency

Installs internally within the engine's cooling system housing

a blocked filter is a likely cause

Locate and unbolt the water pump housing cover

It also fits Mercury-branded 225 HP 4-stroke engines that utilize Yamaha powerheads from the specified years

Exhaust Bellows – Fits Mercruiser Alpha One & Bravo Drives (Replaces 18654A1, 32734A3) 370HP All our parts are manufacturedProduct Details This high quality Exhaust Bellows is designed for a broad range of Mercruiser stern drives, including Alpha One Gen I (19831990), Alpha One Gen II (1991Current), and Bravo I, II, & III models. It is also compatible with #1, R, MR, TRS, and Blackhawk drives from 1978 onward, providing a reliable replacement for your vessel's exhaust system. This part serves as a direct replacement and provides interchange for Mercury 18654A1, 32734A3,