Aftermarket Mercruiser 807166A3 Water Shutter
The Sierra 18-2733 Water Shutter forms part of the marine exhaust path and helps direct exhaust gas and cooling water away from the engine in Mercruiser applications. It replaces Mercruiser 99370A2.
Length:Â 3.175" (8cm)
Width:Â 2.5"
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-2733?
Sierra 18-2733 is an aftermarket water shutter for Mercruiser applications.
Which part numbers cross-reference Sierra 18-2733?
This listing cross-references GLM 89160, Mercruiser 92802 and Mercruiser 99370A2. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-2733 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.