Spark Plugs

AC Delco

MR43T Pre-Vortec engines Marine Spark Plug

AC Delco spark plug For GM V8 pre-Vortec engines Replaces AC Delco MR44-T Replaces Crusader 97782 Replaces Mercruiser 33-898264001 Replaces Marine Power 0003-015 Replaces NGK BR6FS Replaces Champion RV8C Replaces OMC 0763819

AC Delco

MR43LTS AC Delco Long Reach Vortec Spark Plug

AC Delco Long Reach Vortec Spark Plug Sold individually Replaces Crusader R030008A Replaces NGK TR5 Champion RS9YC

AC Delco

Iridium Spark Plug

Replaces Crusader RP030010 Replaces Mercruiser 33-8M2018369 Replaces PCM RP030010 Replaces NGK ITR4A15 Replaces Volvo Penta 21467472 Replaces AC Delco 41-993

AC Delco

41-983 (Platinum) Marine Spark Plug

AC Delco 41-983 Spark Plug. Fits MCM 496 Mag & HO and MIE 8.1L & HO.

AC Delco

41-110 (Iridium) Marine Spark Plug

AC Delco spark plug - LS7 / 6.0L Also fits 1997-04 LS1, LS6; 2005-10 LS2, LS3This spark plug replaces part #AC41-985

NGK - TR5-2238 Spark Plug

NGK #TR5-2238 spark plug.V-Power Plug, 14mm thread size, 17.55mm (.691") reach, 5/8" (16mm) hex dize, tapered seat, resistor, removable terminal nut, projected tip, V-Power (V-Grooved Centered Electrode), .040" (1.02mm) gap, heat range 5.V-Power spark...

NGK Spark Plugs - Iridium IX Spark Plugs

NGK Laser Iridium spark plugs feature laser-welded technology. Lasers are used to pinpoint precision welds, reducing excess debris; this decreases the required voltage to bridge the spark gap. An iridium disc is welded on the center electrode and a...