Mustang Dynacorn Heater Box Assembly Without Air Conditioning 1969-1970
Part Number: M3518A
Dynacorn Heater Box Assembly for 1969-1970 Mustangs without Air Conditioning.
The heater box assembly consists of the front and rear casings with doors. This is a factory type fiberglass two piece heater box/heater core casing. The heater box is a pre-assembled unit which includes the gasket and all seals. The heater plenum attaches to this assembly and directs warm air to the car.