MerCruiser 84-816761Q16 Spark Plug Wire Set GM V6 4.3L Thunderbolt 1985-2003 50hp This would have been found

This would have been found on all of the OMC Cobra models 1986 & 1987 where the gimbal steering arm cover was still integrated into the top cover

1L 250CID  From the Late 70's (SN 5836084)

This is for Parts

863820T1 (From manual)

MerCruiser 84-816761Q16 Spark Plug Wire Set GM V6 4.3L Thunderbolt 1985-2003 50hp This would have been foundPart Number(s) Included Quicksilver MerCruiser 84 816761Q16 Spark Plug Wire Set Application & Compatibility GM V6 4. 3L 262cid engines with Thunderbolt IV ignition (1985 2003) Purchase with confidence! This is a NEW (New Old Stock) part from our collection of Quicksilver Mercury Kiekhaefer Mariner Outboard parts & MerCruiser Alpha One & Bravo Sterndrive boat parts we have on hand.