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Goodmark Heater Plenums

Goodmark heater plenums are OE replacements made of injection-molded high-temp ABS plastic. They fit just like the original for improved durability over the factory cardboard plenum. These quality plenums attach to the heater box, and allow the diversion of hot air to the ducts that travel to the dash and defrost the vehicle's windshield. They include flapper door, cable clamp and screw already attached, and the inner door already has closed-cell foam bumpers installed. If you're worried about the heat or defrost in your 1965-68 Mustang or Cougar without A/C, make an upgrade with heater plenums from Goodmark.

5.0 out of 5 stars ( 4 )

$21.99

Scott Drake Air Conditioner Registers

Scott Drake offers air conditioner registers in a variety of shapes and sizes. The injection-molded replacements have a beautiful chrome finish—and will help you maintain an authentic look in your muscle car's interior. Order the model needed for your application.

5.0 out of 5 stars ( 1 )

$11.42

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$330.95

Scott Drake Defroster Hoses

Scott Drake offers defroster hoses for a variety of applications, including many Ford and Mercury vehicles from the 1960s and '70s. These replacements deliver authentic construction and style to keep your view clear. Offered in two options, with or without cam lock clamps, the direct-fit hoses feature original polypropylene coated fabric with flex styling to guide air up towards your muscle car's windshield.

4.44 out of 5 stars ( 9 )

$21.90

Dorman Blower Motor Resistors

Weather forecasts change daily, but your vehicle is still one place where you can control the climate. And that's why Dorman blower motor resistors are so important. The easy-to-install devices control the electric current to the fan motor, keeping your heating and air conditioning system at peak performance, no matter the speed. Their long-lasting design resists thermal fuse failure, overheating, and burnout. These components are available for fitment in a wide range of cars, trucks, and vans.

4.86 out of 5 stars ( 21 )

$133.99

Holstein Parts Blower Motor Resistors

Holstein Parts blower motor resistors offer superior coverage for many domestic and import vehicle applications. The blower motor resistor is an electrical component that is a part of the vehicle's interior heating and air conditioning system. A failed blower motor resistor can cause issues with the entire heating and air conditioning system's operation. Holstein Parts uses only the highest quality materials and engineering for truly built parts to match or exceed the OEM parts to help restore proper function. Select the Holstein blower motor resister model designed to fit your application needs.

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$9.99

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$16.99