1979-1980 GMC K2500 Suburban 5.7L V8; High Blower Relay Silver;. 1979-1980 GMC K2500 Suburban 6.6L V8; High Blower Relay Silver;. 1979-1982 GMC K2500 Suburban 4.8L L6; High Blower Relay Silver;. 1982-1986 GMC K2500 Suburban 5.7L V8; High Blower Relay Silver;.
