【Note-1】 For 2003-2007 Chevrolet GMC, It Fits Vehicles Without RPO Code UXT (Transmission Temperature Gauge) And LCT 1000 Trans. 【Note-2】 For 2004-2007 Chevrolet GMC, It Fits Vehicles With RPO Code KNP (Heavy Duty Transmission Cooling System). 【Note-3】 For