DORMAN Auto Trans Case Vent | For 1970, 75-76, 78-84, 86 CHEVROLET C20 SUBURBAN
1970 Chevrolet C20 Suburban TransmissionMfrCode: THM350;. 1975 Chevrolet C20 Suburban TransmissionMfrCode: THM350;. 1976 Chevrolet C20 Suburban TransmissionMfrCode: THM350;. 1978 Chevrolet C20 Suburban TransmissionMfrCode: THM350;.