GM V8 Pre Vortec Spark Plug | AC Delco MR43-T

GM V8 Pre Vortec Spark Plug | AC Delco MR43-T

GM V8 Pre Vortec Spark Plug | AC Delco MR43-T

The AC Delco MR43-T is a premium stainless steel spark plug engineered for GM V8 pre-Vortec engines. This short-reach design delivers reliable ignition performance and extended service life in classic marine and automotive applications. Built to OEM specifications, the MR43-T provides consistent spark and durability across a wide range of operating conditions. Its stainless construction resists corrosion and fouling, making it ideal for both freshwater and saltwater environments. Direct replacement for AC Delco MR44-T and compatible with Crusader, Mercruiser, Marine Power, NGK, Champion, and OMC equivalents—ensuring you get the exact fit and performance your engine demands.

• 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