Spark Plug Wire Set – Fits Mercruiser 4-Cylinder 2.5L/3.0L (Replaces 816761A5, 84-816761Q5) 72HP This is typically sufficient for

This is typically sufficient for registering multiple watercraft

pressure test the housing to check for leaks before reinstalling on the boat

They should be placed in a position where they are clearly visible above the waterline

Loosen the alternator or tensioner pulley bolts to release tension on the old belt

Features a simple peel-and-apply installation with super-stick adhesive

Spark Plug Wire Set – Fits Mercruiser 4-Cylinder 2.5L/3.0L (Replaces 816761A5, 84-816761Q5) 72HP This is typically sufficient forProduct Details This Spark Plug Wire Set Fits Mercruiser 4 Cylinder 2. 5L 3. 0L (Replaces 816761A5, 84 816761Q5) is designed for Mercruiser 4 cylinder engines, including models 120, 140, 2. 5L (153 CID), and 3. 0L (181 CID) GM sterndrive motors equipped with conventional points ignition systems (19631995). It serves as a direct replacement for Mercury Mercruiser part numbers 816761A5, 816761Q5, 84 816761Q5, 84 813720A5, and 84 816761K5, as well as