Three piece hose set for all 1967-68 Mercury Cougar 390/428 V8 cars with factory air-conditioning, using the stock York or
Tecumseh a/c compressor.
Connects the evaporator outlet fitting at the firewall to the service valve
on the suction side of the a/c compressor mounted on the engine.
Connects the service valve on the discharge side of the a/c compressor
mounted on the engine to the condenser inlet fitting (top fitting) on the
condenser mounted in front of the radiator support.
Liquid/Sight-glass Hose with 90° Fitting. Connects the filter drier
outlet mounted to the condenser in front of the radiator support to the
expansion valve inlet at the firewall.
Direct replacement part with correct flare hose
Suction hose & liquid/sight-glass hose are built
using the correct nylon hose material, suitable for judging.
Liquid/sight-glass connection to the
expansion valve features the correct 390/428-only fitting.
The Original Air version of this hose eliminates
the two-piece brass valve originally used between the 90° liquid fitting and the
CONVERTING MY FORD TO 134a
Until 1995, most cars with air conditioning used R-12 Freon refrigerant that is said to have a negative side effect of damaging the ozone layer and is no longer produced in most countries. since then, the industry standard has been R134a, which is an efficient replacement. Contrary to popular belief, most cars originally equipped with R-12 can be converted to 134a and still keep you just as cool.
Systems w/o Suction Valve Minimum Requirements
Systems w/POA Valve (aka Suction Throttling Valve & By-Pass Valve) The POA Valve is installed on the evaporator, near the firewall. (Click here for a typical photo)
Systems w/Accumulator The accumulator is most often installed on the evaporator, near the firewall, but occasionally found in the middle of the suction hose between the evaporator and the compressor. (Click here for a typical photo)