Automatic Transmission 4L60E Opt M30 4.3L Fits 03 EXPRESS 1500 VAN 329192
SAVANA 1500 VAN 03 AT; (4L60E, opt M30), 4.3L. SAVANA 2500 VAN 03 AT; 4L60E (opt M30), 135″ WB, 4.3L. SIERRA 1500 PICKUP 03 AT, 4.3L, 4×2, Regular Cab. SILVERADO 1500 PICKUP 03 AT, 4.3L, 4×2, Regular Cab.