The Sierra 18-3219 Water Pocket Cover & Tube is designed for the application shown in the fitment and reference information below. It replaces Mercruiser 42724A3.
For: Merc MR-1 and Alpha 1 drives
Models:Â I, 1A, 1B, 1C, 1CEZ, 120, 140, 160, 165, 888, 898, 228, 225-S, 233, 250, 260, 470,485, R, MR, Alpha
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3219?
Sierra 18-3219 is an aftermarket water pocket cover & tube for Mercruiser applications.
Which part numbers cross-reference Sierra 18-3219?
This listing cross-references GLM 12200, Mercruiser 32489, Mercruiser 32489A2 and Mercruiser 42724A3. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3219 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
