For 1975-1978 GMC G15 Engine Cooling Fan Clutch 4 Seasons 665EH99 1976 1977

4 seasons clutch cooling engine engine cooling fan gmc

1975 GMC G15 Engine: 4.1L L6; Standard Rotation|Optional Non-Thermal Fan Clutch|w/ AC;. 1975 GMC G15 Engine: 5.7L V8; Standard Rotation|Optional Non-Thermal Fan Clutch|w/o AC;. 1976 GMC G15 Engine: 4.1L L6; Standard Rotation|Optional Non-Thermal Fan Clutch|w/ AC;.