1990 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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AC MANUAL CONTROLS(C60) RELEASED FOR R134A RETROFIT VPI 1-877-846-8243
1990 GMC C1500 equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
AC MANUAL CONTROLS(C60) RELEASED FOR R134A RETROFIT VPI 1-877-846-8243