Spark Plug Wires & Sets

OEM Quicksilver/Mercury 555 Spark Plug Wires  84-863656A1 Spark plug set 863656A1 is for use on V-8 MerCruiser stern drive and inboard engines (5.0L, 5.7L and 6.2L MPI) with ECM 555 (serial number 0M300000 through 2A455878). 

OEM Quicksilver/Mercury Delco Spark Plug Wires  84-816608Q68 Spark plug set 816608Q68 is for use on V-8 (350, 454 and 502 CID) General Motors marinized engines with Delco HEI ignition systems (1993 through 2010). 

OEM Quicksilver/Mercury Spark Plug Wires  84-816761Q17 Spark plug set 816761Q4 is for use on V-8 MerCruiser (LH) engines (305 and 350 CID) with Thunderbolt IV ignition systems (1993 through 2003). 

OEM Quicksilver/Mercury Spark Plug Wires  84-816761Q16 Spark plug set 816761Q16 is for use on V-6 MerCruiser engines with Thunderbolt IV ignition systems (1985 through 2003). 

OEM Quicksilver/Mercury Spark Plug Wire Kit   84-816608Q83 Spark plug set 816608Q83 is for use on V-8 MerCruiser engines (305, 350 and 377 CID) made by General Motors with Mercury ignition systems (1999 through 2001). T

OEM Quicksilver/Mercury Spark Plug Wires  84-816761Q14 Spark plug set 816761Q14 is for use on 3.0L and LX versions of MerCruiser engines with Delco EST ignition systems (1990 through 2016). 

OEM Quicksilver/Mercury Spark Plug Wire Kit  84-816608Q61 Spark plug set 816608Q61 is for use on vintage, V-8 (454-502 CID) General Motors marinized engines with Thunderbolt IV and V ignition systems (1981 through 1997). 

OEM Quicksilver/Mercury Spark Plug Wire Set  84-863656A 2 Spark plug set 863656A2 is for use on 4.3L MPI MerCruiser stern drive engines.

OEM Quicksilver/Mercury Spark Plug Wires  84-847701Q17 Spark plug set 847701Q17 is for use on V8 MerCruiser 454 Magnum MPI Horizon inboard engines (1998). Complete set of blue wire spark plug wires with boots at spark...

OEM Quicksilver/Mercury Delco Spark Plug Wires  84-816608Q70 Spark plug set 816608Q70 is for use on V-8 (305 and 350 CID) General Motors marinized engines with Delco HEI ignition systems (1995 through 1998).

OEM Quicksilver/Mercury 350 Mag Spark Plug Wires  84-847701Q24 Spark plug set 847701Q24 is for use on V-8 MerCruiser 350 Magnum, Horizon inboard engines (1999 through 2007). 

OEM Quicksilver/Mercury Spark Plug Wires With Points  84-816761Q 5 Spark plug set 816761Q5 is for use on 4-cylinder MerCruiser engines with conventional points ignition systems (1963 through 1995).

OEM Quicksilver/Mercury Spark Plug Wires  84-816761Q4 Spark plug set 816761Q4 is for use on V-8 MerCruiser (LH) engines (305 and 350 CID) with Thunderbolt IV ignition systems (1981 through 1992).

OEM Quicksilver/Mercury Spark Plug Wires   84-847701Q25 Spark plug set 847701Q25 is for use on V-8 MerCruiser 500 EFI engines (1998 through 2004) and MerCruiser 575 SCi engines (2000 through 2005).

OEM Quicksilver/Mercury Spark Plug Wires  84-816608Q71 Spark plug set 816608Q71 is for use on V-8 350 CID General Motors marinized engines with Delco HEI ignition systems (1995 through 1998).

OEM Quicksilver/Mercury Spark Plug Wire Kit  84-816608Q78 Spark plug set 816608Q78 is for use on MerCruiser Black Scorpion Tow Sports engines with Delco HEI ignition systems (1997 through 1998).

OEM Quicksilver/Mercury Spark Plug Wires  84-816761Q 3 Spark plug set 816761Q3 is for use on V-8 MerCruiser (RH) engines (305 and 350 CID)withThunderbolt IV ignition systems (1981 through 1993).

OEM Quicksilver/Mercury Spark Plug Wires  84-816761Q12 Spark plug set 816761Q12 is for use on V-8 MerCruiser tow Sports inboard engines (5.7L) made by General Motors with conventional points ignition systems (1985 through 1995). 

OEM Quicksilver/Mercury V8 High-Performance Spark Plug Wires  84-847701Q 7 Spark plug set 847701Q7 is for use on V-8 MerCruiser High Performance engines (454, 502, 540 and 572 CID) with Thunderbolt IV ignition systems (1990 and newer).

OEM Quicksilver/Mercury Spark Plug Wires Kit   84-816761Q 9 Spark plug set 816761Q9 is for use on V-8 MerCruiser engines made by Ford or General Motors with conventional points ignition systems (1963 through 1982) anf Thunderbolt ignition...