Auto Trans Case Vent For Chevy C30 CY933ZB
1986 Chevrolet C30 THM350C Automatic 3 Spd. 1985-1986 Chevrolet C30 SM465/M20 Manual 4 Spd. 1982-1983 Chevrolet C30 THM350C. 1975-1976, 1978-1979, 1981 Chevrolet C30 THM350. Notes: Automatic Transmission Case Vent.