This ACP Heater Box is a direct-fit replacement designed to keep the cabin of your classic Ford Mustang or Mercury Cougar warm and comfortable. Made from lightweight yet tough sheet molding compound, it comes pre-assembled with gaskets, seals, and housing clips for a straightforward installation.

Engineered for 1969-1970 models with factory air conditioning, this unit delivers reliable heating performance and directs warm air exactly where you need it, making cooler drives much more enjoyable.