Mercury Quicksilver Genuine 84-816761Q 6 Wire Kit-Ignition Mercury Quicksilver Spark Plug Wire Set Fits MCM 4 Cyl. (3.7L) Engines With Conventional Points Ignition 1985 through 1989 Models. 18-8808-2 Sierra Marine 84816761K 6 Mercury Marine, 9-28014 Mallory Marine and 631-0015 CDI Electronics
