Four Seasons A/C Refrigerant Discharge Hose P/N:66165
Four Seasons 66770 a/c refrigerant discharge hose for the 2002-2004 Audi A6 / A6 Quattro and other vehicles is a discharge line hose assembly that carries refrigerant away from the compressor.
Oily residue at the hose or its fittings, or A/C that cools poorly, can mean this hose is leaking. The compressor or the condenser can also be behind weak cooling, so find the cause before you replace anything.
This hose assembly also fits the 2002-2004 Audi A6 Quattro.
Fit and size
Build and materials
This listing is one hose assembly, supplied with gaskets, o-rings or seals to replace it properly.
Interchange: 4B0260701Q · 787943 · 800890 · 211681 · A83410 · 71111851 · HA111851C
This part cross-references / interchanges with the following part numbers:
Does the Four Seasons 66770 discharge hose fit the 2002-2004 Audi A6 / A6 Quattro?
Yes. The Four Seasons 66770 is an application specific hose assembly for the 2002-2004 Audi A6 / A6 Quattro and for the 2002-2004 Audi A6 Quattro.
Do I need to buy separate o-rings for the 66770 A/C discharge hose?
The Four Seasons 66770 contains gaskets, o-rings or seals to replace the hose properly. This listing is one hose assembly.
Is this discharge hose compatible with R134A refrigerant?
Yes. This discharge hose is a double wall barrier hose compatible with R1234YF, R134A or R12.
How can I tell if my A/C discharge hose is leaking?
Oily residue around the hose or its crimped fittings, or A/C that cools poorly, can mean a leak. A shop can test the system, since A/C lines should not be opened without proper equipment.
Is 4B0260701Q the same as the Four Seasons 66770 discharge hose?
4B0260701Q is listed as an interchange number for the Four Seasons 66770 discharge hose, along with 787943, 800890 and 211681.
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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.