Type 4 Bus 1975-1978 Left Side Heater Box to Heater Flapper Valve Tube
This tube connects to the front left side heater box and goes up to the heater flapper valve. The bracket bolts to the front side of the engine firewall tin. The bottom hole is oval-shaped from 1975-1978 (the 1972-1974 & 1979 have a round hole).