Wellman Glow Plugs Ford 7.3 Diesel Powerstroke (1995-2003) WELLMAN Glow Plugs fits F350 F250 F450 & Excursion (set of 8) Fits: 1995-2003 Ford 7.3L Powerstroke Diesel Engines in any Chassis These plugs heat up 20% faster and get 100 deg. hotter than the original plugs 1 Year Warranty Set of 8