Four Seasons A/C Refrigerant Suction Hose 66634
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Four Seasons A/C Refrigerant Suction Hose 66634
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Four Seasons A/C Refrigerant Suction Hose P/N:66634

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$44.99
MPN: 66634
Item Package Quantity: 1
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Four Seasons A/C Refrigerant Suction Hose P/N:66634
Four Seasons A/C Refrigerant Suction Hose P/N:66634
$44.99

Carry low-pressure refrigerant vapor from the evaporator back to the compressor with the Four Seasons A/C Refrigerant Suction Hose 66634. This suction line hose assembly installs as a direct-fit replacement for the 2014-2015 Cadillac ELR, the 2011-2015 Cadillac Chevy Volt, and the 2011-2015 Chevrolet Volt.

  • Double-wall barrier hose: compatible with R1234YF, R134A or R12 refrigerant.
  • Seals included: comes with the gaskets, o-rings, or seals needed to properly complete the replacement.
  • Crimp fitting connection: uses crimped end fittings for the hose-to-line connection.
  • Application-specific design: shaped and routed for the listed vehicles.

The suction line is the low-pressure return path of the A/C system, moving refrigerant vapor back toward the compressor. Signs this hose may need replacing include refrigerant leaks, weak or warm cabin cooling, or oily residue collecting around the hose or its fittings. If a cracked or leaking suction hose is the cause, this assembly replaces it. Backed by Four Seasons' decades of mobile A/C experience.

Interchange: 211545 · 785736 · 22764041 · 22834142 · 22863543 · 25965588 · 703227 · A83152 · HA111802C

This part cross-references / interchanges with the following part numbers:

211545, 785736, 66634, 22764041, 22834142, 22863543, 25965588, 703227, A83152, HA111802C

Frequently Asked Questions

What does this suction hose do?

It routes low-pressure refrigerant vapor from the evaporator back to the A/C compressor, forming part of the system's suction (return) side.

Which vehicles does the 66634 fit?

It is a direct-fit replacement for the 2014-2015 Cadillac ELR, the 2011-2015 Cadillac Chevy Volt, and the 2011-2015 Chevrolet Volt. Check the Buyer's Guide tab to confirm your vehicle.

Are seals included?

Yes. It contains the gaskets, o-rings, or seals needed to properly complete the replacement.

What refrigerants is the hose compatible with?

The double-wall barrier hose is compatible with R1234YF, R134A or R12 refrigerant.

What are signs this hose may need replacing?

Refrigerant leaks, weak or warm cabin cooling, or oily residue around the hose and fittings. Have the system diagnosed, since these signs can have other causes.

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