Four Seasons A/C Suction and Liquid Line Hose Assembly P/N:66864
Carry both high- and low-side refrigerant through a single application-specific line with the Four Seasons A/C Suction and Liquid Line Hose Assembly 65319, an internal heat-exchange (IHX) hose assembly. It's a direct-fit replacement for the 2017-2024 Cadillac XT5, 2019-2023 Chevrolet Blazer, and 2017-2023 GMC Acadia, all with the V6-3.6L engine.
Also listed as an A/C suction line, this assembly combines the suction and liquid runs with an internal heat exchanger and is built to Four Seasons' spec:
If a leaking, restricted, or damaged original line is disrupting refrigerant flow in your A/C system, this application-specific assembly replaces it. Diagnose the cause of poor cooling before replacing, and evacuate and recharge the system per the service procedure after installation.
Interchange: H8849 · 23186719 · 84153132 · 84398781 · 84819071 · 212613 · A66206 · HA113850C
This part cross-references / interchanges with the following part numbers:
What vehicles does the Four Seasons 65319 fit?
It's a direct-fit replacement for the 2017-2024 Cadillac XT5, 2019-2023 Chevrolet Blazer, and 2017-2023 GMC Acadia, all with the V6-3.6L engine. Check the Buyer's Guide tab to confirm your vehicle.
What refrigerant is this hose compatible with?
Its double-wall barrier hose is compatible with R1234YF, R134A or R12. Use the refrigerant specified for your vehicle.
Does this assembly include seals and fittings?
Yes. It includes gaskets, o-rings or seals to properly complete the connections, along with the fittings and a service port. It is supplied without a bracket.
What are the end connections on this line?
It uses a P-Nut fitting on one end and a flange on the other, with a crimp fitting connection. It's an application-specific design for the listed vehicles.
What is the internal heat exchange (IHX) feature?
This suction and liquid line assembly integrates an internal heat exchanger, routing the suction and liquid refrigerant runs together in one application-specific unit.
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.