1999-2004 Grand Cherokee (WJ) Ignition System | Quadratec

Crown Automotive Glow Plug for 02-04 Jeep Grand Cherokee WJ with 2.7L Diesel Engine

Crown Automotive Glow Plug for 95-01 Jeep Cherokee with 2.5L Diesel Engine & 99-01 Grand Cherokee WJ with 3.1L Diesel Engine

E-3 Diamond Fire Spark Plug for 97-98 Jeep Grand Cherokee ZJ with 5.2L or 5.9L Engine, 99-10 Grand Cherokee WJ & WK with 4.7L V8 Engine

Crown Automotive Spark Plug for 99-06 Jeep Wrangler TJ & Unlimited; 99-01 Cherokee XJ and 99-04 Grand Cherokee WJ

Crown Automotive Spark Plug for 02-04 Jeep Grand Cherokee WJ with 4.7L HO Engine

Crown Automotive Spark Plug for 99-07 Jeep Grand Cherokee WJ & WK and 06-07 Commander XK with 4.7L Engine

E-3 Diamond Fire Spark Plug for Chrysler, Dodge & Jeep Vehicles