Wellman Glow Plugs for Military HMMWV 6.5 L 6.2 L Diesel M998 M1114 Glowplugs M1123 Hummer (set of 8) Fits 6.2 & 6.5L Diesel Engines in Military HMMWV Trucks Only These plugs heat up 20% faster and get 100 deg. hotter than the original plugs 1 Year Warranty Set of 8 For M998 M1114