Gates Radiator Cap for 1978 GMC C15 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 qx

Gates Radiator Cap for 1978 GMC C35 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 wt

Gates Radiator Cap for 1978 GMC K25 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 qs

Gates Radiator Cap for 1978 GMC C15 Suburban 4.1L 5.0L 5.7L 7.4L L6 V8 mx

Gates Radiator Cap for 1979-2000 GMC C3500 4.1L 4.8L 5.0L 5.7L 6.2L 6.6L ui

Gates Radiator Cap for 1975-1977 GMC C15 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 bj

Gates Radiator Cap for 1978 GMC K25 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 iq

Gates Radiator Cap for 1978 GMC C35 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 bv