Four Seasons
Hose Assembly

Four Seasons 66737 A/C Refrigerant Discharge / Suction Hose Assembly

Brand Four Seasons 66737
Bracket? w/o Bracket
Discharge End MM 11.700
Discharge End Style P-Nut Fitting
Discharge End Type P-Nut Fitting
Fittings Included Included
Friction Material Attachment w/ Switch Port
Gasket Or Seal Included Included
Manifold Suc Style Block
Manifold? Yes
Material Aluminum / Rubber
Muffler? w/ Muffler
O-Ring A Number/Desc [24402] / Slimline Washer
O-Ring B Number/Desc [24354] / Sealing Washer
O-Ring C Number/Desc [24606] / Green O-Ring
O-Rings Included? Included
O.E. Replacement? Yes
Orifice Tube? Not Included
Refrigerant Type R134-A
Service Port? w/o Service Port
Suction End IN 0.63
Suction End MM 15.95
Suction End Style P-Nut Fitting
Suction End Type P-Nut Fitting
Switch Included? Not Included
Switch Port Valve Core 56346
System Pressure High Pressure / Low Pressure
Type Discharge & Suction Line
Product line Hose Assembly
Fits Chevrolet and Pontiac · 4 vehicles

OE replacement. Direct-fit hose assembly for the refrigerant line.

Aluminum / rubber construction. Combines strength with flexibility in one assembly.

Seals included. Comes with O-rings, fittings, and gasket or seal.

Cross-references Four Seasons 66737, Global Parts Distributors LLC 4813152 and TYC 700131 for the same application. See all 8.

$67.85Free shipping
In stock · usually ships same day before 1pm CST
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Order total $67.85
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE A/C Hose Assembly for Equinox and Torrent

Four Seasons 66737 is an OE replacement A/C refrigerant discharge and suction hose assembly built for 2008-2009 Chevrolet Equinox and 2008-2009 Pontiac Torrent applications. It combines aluminum and rubber construction with the correct manifold, fittings, and seal components for service on R134-A systems.

This Four Seasons Hose Assembly line focuses on direct-fit HVAC hose and pipe replacements for vehicles that need accurate routing, proper sealing, and OE-style connection points. Part number 66737 follows that approach for the Chevrolet Equinox and Pontiac Torrent platform.

Key Features

  • Part number 66737 A/C refrigerant discharge / suction hose assembly
  • OE replacement design for R134-A air conditioning systems
  • Aluminum / rubber construction for HVAC routing and flexibility
  • High-pressure and low-pressure system use
  • Manifold style suction connection with muffler
  • Includes gasket or seal and fittings
  • Switch port provision included; switch not included
  • Discharge end uses a P-nut fitting; suction end uses a P-nut fitting
  • Compatible with 2008-2009 Chevrolet Equinox and 2008-2009 Pontiac Torrent

Detailed Description

Four Seasons 66737 is built as a direct OE-style replacement for the A/C refrigerant line assembly used on 2008-2009 Chevrolet Equinox and 2008-2009 Pontiac Torrent models. It is configured as a discharge and suction line with a block manifold suction style, muffler, and the specified P-nut fitting ends for proper connection to the vehicle HVAC system. The assembly is intended for R134-A refrigerant systems and is specified for both high-pressure and low-pressure service points within the air conditioning circuit.

For buyers searching for a 2008 Chevrolet Equinox A/C hose assembly, a 2009 Pontiac Torrent refrigerant discharge hose, or Four Seasons 66737 HVAC hose replacement, this part provides the correct OE replacement format with the listed seals, O-rings, and fittings. This part cross-references UAC HA111623C for the same application.

Common Problems This Part Addresses

  • Refrigerant loss from cracked or leaking hose sections
  • Damaged or worn sealing surfaces at the hose connections
  • Improper A/C line fitment after prior repair or replacement
  • Noise or restriction related to a failing hose assembly or muffler section
  • Service issues on R134-A systems requiring the correct discharge and suction line layout

Installation Notes and Tips

Verify the vehicle’s A/C line routing, manifold connection style, and port configuration before installation. Replace the existing hose assembly only after recovering refrigerant and inspecting mating surfaces for damage, corrosion, or contamination. Use the correct seals and O-rings specified for the connection points, and confirm that the switch port valve core matches the vehicle’s service requirements.

Fits 2008-2009 Chevrolet Equinox, N/A. Fits 2008-2009 Pontiac Torrent, N/A.

Quality Assurance

Four Seasons supplies OE replacement HVAC components engineered to match the listed application details, including material type, refrigerant specification, and connection style. Part number 66737 is built to the stated fitment and configuration for direct replacement use on the covered vehicles.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009ChevroletEquinox3.6LV6N/AHose Assembly
2009PontiacTorrent3.6LV6N/AHose Assembly
2008ChevroletEquinox3.6LV6N/AHose Assembly
2008PontiacTorrent3.6LV6N/AHose Assembly
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 66737Global Parts Distributors LLC — 4813152TYC — 700131UAC — HA111623C781572153378615927302A83311