For 1970-1974 GMC G25/G2500 Van 5.7L V8 Engine Cooling Fan Clutch 4 Seasons 1971

1971 GMC G25/G2500 Van Engine: 5.7L V8; Standard Rotation; Severe Duty Thermal Fan Clutch; w/ A/C;. 1970 GMC G25/G2500 Van Engine: 5.7L V8; Standard Rotation; Severe Duty Thermal Fan Clutch; w/ A/C;. 1974 GMC G25/G2500 Van Engine: 5.7L V8; Standard Rotation; Severe Duty Thermal Fan Clutch; w/ A/C;.