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Four Seasons 56659 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 56659
The Four Seasons Hose Assembly 56659 is designed specifically for HVAC systems in select Oldsmobile and Pontiac vehicles. This A/C refrigerant discharge and suction hose assembly ensures reliable performance with durable aluminum and rubber construction, compatible with R134a refrigerant.
- Material: Aluminum and rubber for durability and flexibility
- Refrigerant Type: Compatible with R134a
- Includes gasket and sealing washers for secure connections
- Equipped with a switch service port for easy diagnostics
- Discharge and suction ends feature P-nut fittings
- Includes muffler and manifold components
- O-rings included for proper sealing (various types and quantities)
- OE replacement part designed for Oldsmobile Montana, Pontiac Silhouette, and Pontiac Trans Sport
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly product line focuses on providing reliable HVAC hose and pipe solutions tailored to specific vehicle applications. This line emphasizes quality materials and precise fitment to maintain system integrity and performance. The 56659 hose assembly is part of this line, offering a direct OE replacement with included sealing components and service ports to facilitate maintenance and repairs.
Detailed Product Description
This A/C refrigerant discharge and suction hose assembly combines aluminum and rubber materials to withstand the pressures and temperatures typical in automotive HVAC systems. It is designed for use with R134a refrigerant and includes essential components such as gaskets, sealing washers, and multiple O-rings to ensure leak-free connections. The assembly features P-nut fittings on both discharge and suction ends, a muffler to reduce noise, and a manifold for proper refrigerant flow. While fittings are not included, the hose assembly comes with a switch service port to support system diagnostics. This part is a direct OE replacement, compatible with Oldsmobile Montana, Pontiac Silhouette, and Pontiac Trans Sport models.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant hoses in Oldsmobile Montana and Pontiac Silhouette HVAC systems
- Resolving refrigerant leaks caused by degraded seals or O-rings
- Addressing noise issues in the A/C system with the included muffler
- Improving refrigerant flow and system efficiency with a properly functioning manifold
- Facilitating maintenance and diagnostics through the integrated switch service port
Installation Notes and Tips
- Ensure compatibility with Oldsmobile Montana, Pontiac Silhouette, or Pontiac Trans Sport before installation
- Use the included gaskets and O-rings to prevent refrigerant leaks
- Check that P-nut fittings are properly tightened to manufacturer torque specifications
- Inspect the switch service port for accessibility during installation
- Replace any worn fittings separately, as fittings are not included with this assembly
Quality Assurance and Warranty
The Four Seasons Hose Assembly 56659 is manufactured to meet or exceed OEM specifications for fit and function. It includes all necessary sealing components to ensure a secure installation. This part is an OE replacement designed to maintain the integrity of the HVAC system in compatible Oldsmobile and Pontiac vehicles. Warranty details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
|---|---|
| Part Number | 56659 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Discharge End Style | P-Nut Fitting |
| Discharge End Type | P-Nut Fitting |
| Fittings Included | Not Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24354] / Sealing Washer |
| O-Ring B Number/Desc | [24622] / Green O-Ring |
| O-Ring C Number/Desc | [24661] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/o Service Port |
| Suction End Style | P-Nut Fitting |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
| Type | Discharge & Suction Line |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Oldsmobile | Silhouette | N/A | 1st Design; w/ Rear AC; O-Ring Fitting at Accumulator End; Hose Assembly |
| 2000 | Pontiac | Montana | N/A | 1st Design; w/ Rear AC; O-Ring Fitting at Accumulator End; Hose Assembly |
| 1999 | Oldsmobile | Silhouette | N/A | w/ Rear AC; Hose Assembly |
| 1999 | Pontiac | Montana | N/A | w/ Rear AC; Hose Assembly |
| 1998 | Oldsmobile | Silhouette | N/A | w/ Rear AC; Hose Assembly |
| 1998 | Pontiac | Trans Sport | N/A | w/ Rear AC; Hose Assembly |
| 1997 | Oldsmobile | Silhouette | N/A | w/ Rear AC; Hose Assembly |
| 1997 | Pontiac | Trans Sport | N/A | w/ Rear AC; 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.