15134522 HARNESS, ENGINE WIRING(BLACK RH OXYGEN SENSOR CONNECT)(INCLUDES 3,7,8,10,13,17,18,21-24,26,27)(HAS A 14-WAY MALE INLINE TO INSTRUMENT PANEL CONNECT; 1ST DESIGN SEE PART # 25752021)(TOGETHER WITH 24221125)
25752019 HARNESS, ENGINE WIRING(INCLUDES 3,7,8,10,13,17,18,21-24,26,27)(HAS A 24-WAY F INLINE TO INSTRUMENT PANEL CONNECT; 2ND DESIGN SEE POINT # 25755970)
25752021 HARNESS, ENGINE WIRING(INCLUDES 3,7,8,10,13,17,18,21-24,26,27)(HAS A 24-WAY FEMALE INLINE TO INSTRUMENT PANEL CONNECT; 2ND DESIGN SEE PART #15134522)
25752023 HARNESS, ENGINE WIRING(INCLUDES 3,7,8,10,13,17,18,21-24,26,27)(HAS A 24-WAY FEMALE INLINE TO INSTRUMENT PANEL CONNECT; 2ND DESIGN SEE POINT # 25760973)
25755970 HARNESS, ENGINE WIRING(GRAY RH OXYGEN SENSOR CONNECT)(INCLUDES 3,7,8,10,13,17,18,21-24,26,27)(TORQUE: PCM CONNECTOR)(HAS A 14-WAY MALE INLINE TO INSTRUMENT PANEL CONNECT; 1ST DESIGN SEE POINT # 25752019)
11517070 BOLT, HEAVY HEX FLANGED HEAD, M10X1.5X20(ENGINE WIRING HARNESS GROUND)
$5.62$3.55
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12015631 CLIP, (6.35 MM INSIDE DIAMETER)(PART OF 1)
$7.24$4.57
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Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Express 3500 parts. Parts like Wiring Harness/Engine are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 4.8L, 8 Cyl 6.0L. Model Code: 1 TON CARGO EXPRESS, 1 TON PASSENGER.