UanofCn 99370A2 Marine Water Exhaust Shutter for Mercruiser Stern Drive V6 V8 Engine 4.3L 5.0L 5.7L Sierra 18-2733
- Exhaust Water Shutter w/Y Pipe Shutter/Flap Boat Motor for Outboard Engine.
- UanofCn high-quality engine parts are designed to meet OEM specifications.
- For some model: Mercruiser V6 V8 w/3" Y-Pipe 4.3L 5.0L 5.7L.
- Replaces OE#: Mercury Mercruiser Outboard 99370A2 92802, Mallory 9-42801, Sierra 18-2733, GLM 89160.