Pioneer Automatic Transmission Seal Fits 1977-1986 Chevrolet K10
1977-1986 Chevrolet K10(TransmissionMfrCode:THM400). 1968-1974 Chevrolet K10 Suburban(TransmissionMfrCode:THM400). 1977-1984 Chevrolet K10 Suburban(TransmissionMfrCode:THM400). 1988-1990 Chevrolet K1500(TransmissionMfrCode:THM400).