1974 GMC G35/G3500 Van equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 4.8L L6 LPG OHV, 4.8L L6 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
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Mineral Oil See Under Hood Decal Mineral Oil When retrofitting to R134a PAG Oil must be used.
1974 GMC G35/G3500 Van equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 4.8L L6 LPG OHV, 4.8L L6 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
Mineral Oil See Under Hood Decal Mineral Oil When retrofitting to R134a PAG Oil must be used.