2003 Chevrolet Silverado 1500 equipped with 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
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GM Original Equipment ROOF MOUNTED MAST GPS 1 VEH COMM SYS(UE1)
2003 Chevrolet Silverado 1500 equipped with 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
GM Original Equipment ROOF MOUNTED MAST GPS 1 VEH COMM SYS(UE1)