Aftermarket Mercruiser 934231 Water Pickup
The Sierra 18-3151 Water Coupling Assembly forms part of the applicable cooling-water path or water-pump assembly in Mercruiser applications. It replaces Mercruiser 816597A1.
Fits:Â Alpha One Gen II drives & multiple outboard applications
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3151?
Sierra 18-3151 is an aftermarket water coupling assembly for Mercruiser applications.
Which part numbers cross-reference Sierra 18-3151?
This listing cross-references GLM 12041, GLM 12824, Mallory 9-78110 and Mercruiser 816597A1. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3151 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.