Mercury Mercruiser - Upper Gear Kit - Fits Bravo I, Bravo II, Bravo III - 43-883479A4 Rule Livewell Pumps & Aerators Designed for modern marine systems

Designed for modern marine systems that rely on precision and reliability

A genuine Mercury Marine part is engineered to deliver reliable flow and hold up to real-world marine conditions

The Yamaha Pressure Control Relief Valve 60H-12416-00-00 helps regulate cooling system pressure so water moves through the engine the way Yamaha designed it

Textured top - smooth tapered edges

Mercury Mercruiser - Upper Gear Kit - Fits Bravo I, Bravo II, Bravo III - 43-883479A4 Rule Livewell Pumps & Aerators Designed for modern marine systemsWARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov 23"30 teeth Note: May require new replacement shims to be ordered separately, see MCM Service Bulletin 2001"17 Fits: Bravo I (1. 65 ratio) Bravo II Bravo III (2. 20 ratio) (s n 0B664190"0F729999) (1988"1995)