Classic Auto Air Manufacturing

Model Specific Air Conditioning
1930's to 1980's Cars & Trucks
Since 1977

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Filter-Driers

What does an filter-drier do?

The Filter-Drier is a canister typically mounted near the Condenser that receives the mostly liquid from the Condenser. It has two primary functions in the air conditioning system; 1 – Filter contaminants. This is the primary location where larger contaminants will end up. 2 – The desiccant stored inside removes any residual moisture from the system that evacuating doesn’t remove. This is the most important function, as moisture is the #1 enemy of the a/c system. Combined with refrigerant and lubrication, moisture will turn acidic (hydrochloric acid) and start to eat the system up from the inside out. It is necessary to replace or restore the filter-drier whenever the system is opened up to the atmosphere.

Note some later model Ford systems use an Accumulator, instead of a Filter-Drier, to perform a similar function. An Accumulator is usually located immediately after the Evaporator’s suction outlet.

Buy a new filter-drier!

Classic Auto Air offers a number of new, replacement filter-driers, including:

1964½ - 66 Mustang Filter-Drier - New

1964½ - 66 Mustang Filter-Drier - New

*Part # 12-101

1967 - 68 Mustang Filter-Drier - New

1967 - 68 Mustang Filter-Drier - New

*Part # 12-102

1969 - 70 Mustang Filter-Drier - New

1969 - 70 Mustang Filter-Drier - New

*Part # 12-103

1971 - 73 Mustang Filter-Drier - New

1971 - 73 Mustang Filter-Drier - New

*Part # 12-104

For information on other replacement new, NOS & NORS Filter-Driers

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Can’t find a new filter-drier? We can restore your old one!

Because many filter-driers are no longer made, Classic Auto Air offers restoration services for your original.

Filter-Drier restoration service includes:

  • Cut open and clean internally
  • Replace filter and desiccant
  • Reassemble and weld back together
  • Pressure test and paint

Call or email now!

Our 1964½ - 66 Mustang Condenser

The condenser is the radiator-like device mounted in the front of the radiator in the engine compartment.

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