1991 GMC C3500HD equipped with 7.4L V8 Gas OHV, 5.7L V8 Gas OHV
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GM Original Equipment W/FIXED ANT STEREO CASSETTE(UM6), STEREO W/CLK(UM7), STEREO AM/FM W/CASS and EQLZR(UX1), AM MONO RDO(U63) FIXED
1991 GMC C3500HD equipped with 7.4L V8 Gas OHV, 5.7L V8 Gas OHV
GM Original Equipment W/FIXED ANT STEREO CASSETTE(UM6), STEREO W/CLK(UM7), STEREO AM/FM W/CASS and EQLZR(UX1), AM MONO RDO(U63) FIXED