1991 GMC C1500 equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
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W/FIXED ANT STEREO CASSETTE(UM6), STEREO W/CLK(UM7), STEREO AM/FM W/CASS and EQLZR(UX1), AM MONO RDO(U63)
1991 GMC C1500 equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
W/FIXED ANT STEREO CASSETTE(UM6), STEREO W/CLK(UM7), STEREO AM/FM W/CASS and EQLZR(UX1), AM MONO RDO(U63)