1965 GMC 1500 Series equipped with 5.7L V6 Gas OHV, 5.0L V6 Gas OHV, 4.8L L6 Gas OHV, 3.8L L6 Gas OHV
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Mineral Oil See Under Hood Decal Mineral Oil When retrofitting to R134a PAG Oil must be used.
1965 GMC 1500 Series equipped with 5.7L V6 Gas OHV, 5.0L V6 Gas OHV, 4.8L L6 Gas OHV, 3.8L L6 Gas OHV
Mineral Oil See Under Hood Decal Mineral Oil When retrofitting to R134a PAG Oil must be used.