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Four Seasons 66737 A/C Refrigerant Discharge / Suction Hose Assembly
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.
| Brand | Four Seasons |
|---|---|
| Part Number | 66737 |
| Position | Hose Assembly |
| 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 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Equinox | 3.6L | V6 | N/A | Hose Assembly |
| 2009 | Pontiac | Torrent | 3.6L | V6 | N/A | Hose Assembly |
| 2008 | Chevrolet | Equinox | 3.6L | V6 | N/A | Hose Assembly |
| 2008 | Pontiac | Torrent | 3.6L | V6 | N/A | Hose Assembly |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.