Four Seasons A/C Refrigerant Liquid Hose P/N:66304
Four Seasons 55166 a/c refrigerant liquid hose for the 2003-2005 Mazda 6 is a liquid line hose assembly that carries refrigerant through the A/C system.
A leaking hose can show up as oily residue around the fittings or as weak cooling from the vents. Before you replace the hose, rule out other causes of poor cooling, such as a leak elsewhere in the system or a compressor problem; a shop can test the system to find the source.
This hose fits the 2003-2005 Mazda 6.
Fit and size
Build and materials
One hose assembly with gaskets, o-rings or seals. An orifice tube is not included.
Interchange: 200118 · T55166 · 791059 · 801159 · GK2J614GYA · GK2J614GYB · GK2J614GYC · GK2J614GYD · GK2J614GYE · GK2J614GYF · GK3J614GYD · A70115 · HA111858C
This part cross-references / interchanges with the following part numbers:
Does the Four Seasons 55166 A/C refrigerant liquid hose fit the 2003-2005 Mazda 6?
Yes, Four Seasons 55166 is listed for the 2003-2005 Mazda 6. It is an application specific design for that car.
Does this A/C liquid hose come with an orifice tube?
No. Four Seasons 55166 is listed without an orifice tube. It does include gaskets, o-rings or seals for replacing the hose.
Can this A/C refrigerant liquid hose be used with R1234YF?
Yes. The double wall barrier hose is compatible with R1234YF, R134A or R12.
What are the signs of a leaking A/C refrigerant liquid hose?
Oily residue around the hose fittings and weak cooling from the vents can point to a leak. A shop can test the A/C system to confirm where it is coming from.
How does this A/C liquid hose connect?
Four Seasons 55166 uses a crimp fitting connection and an application specific design.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.