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Four Seasons 55797 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 55797
The Four Seasons Hose Assembly 55797 is designed for reliable performance in automotive HVAC systems. Specifically engineered for Buick Cutlass Calais, Oldsmobile, and Pontiac Grand Am models, this A/C refrigerant discharge and suction hose assembly ensures proper refrigerant flow and system integrity.
- Constructed from durable aluminum and rubber materials
- Compatible with R134a refrigerant type
- Includes green o-rings ([24608], [24612], [24650]) for secure sealing
- Equipped with a muffler and manifold for noise reduction and system efficiency
- Features female o-ring fittings with UNF threads on both discharge and suction ends
- Includes a switch service port but does not include fittings or brackets
Four Seasons Hose Assembly Product Line Details
The Hose Assembly product line by Four Seasons focuses on delivering precise replacement components for automotive HVAC hoses and pipes. This line emphasizes compatibility with original equipment specifications, ensuring that parts like the 55797 hose assembly maintain system performance and reliability. The assemblies are designed to meet OEM standards, including proper sealing with included o-rings and integration of service ports where applicable.
Detailed Product Description
The Four Seasons 55797 hose assembly combines aluminum and rubber to provide a balance of strength and flexibility necessary for A/C refrigerant discharge and suction lines. It is designed for use with R134a refrigerant, the standard for many late-model vehicles. The assembly includes three green o-rings to ensure leak-free connections at critical junctions. The discharge and suction ends both feature female o-ring fittings with UNF threads, facilitating a secure and proper fit. Additionally, the included muffler and manifold help reduce noise and improve system operation. While the assembly includes a switch service port, fittings and brackets are not included, so installation may require reuse of existing hardware or separate purchase.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge and suction hoses
- Resolving refrigerant leaks caused by damaged or degraded hose assemblies
- Restoring proper refrigerant flow in Buick Cutlass Calais, Oldsmobile, and Pontiac Grand Am HVAC systems
- Eliminating noise issues related to faulty mufflers in the refrigerant line
- Ensuring system integrity with included OEM-quality o-rings and manifold
Installation Notes and Tips
- Verify compatibility with your vehicle’s make and model before installation
- Inspect existing fittings and brackets; reuse if in good condition or source replacements separately
- Ensure all included green o-rings are properly seated to prevent refrigerant leaks
- Handle the aluminum and rubber components carefully to avoid damage during installation
- Check the switch service port connection for proper engagement if applicable
Quality Assurance and Warranty
The Four Seasons Hose Assembly 55797 is an OEM replacement part designed to meet original equipment specifications for Buick, Oldsmobile, and Pontiac vehicles. It includes all necessary sealing components such as green o-rings to maintain system integrity. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed quality assurance to support reliable HVAC system performance.
| Brand | Four Seasons |
| Part Number | 55797 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Discharge End Style | UNF O-Ring |
| Discharge End Type | Female O-Ring |
| 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 | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| O-Ring C Number/Desc | [24650] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port Type | Service Port |
| Service Port? | w/o Service Port |
| Suction End Style | UNF O-Ring |
| Suction End Type | Female O-Ring |
| Switch Included? | Not Included |
| Type | Discharge & Suction Line |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Buick | Skylark | 2.3L | L4 | N/A | Hose Assembly |
| 1991 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Hose Assembly |
| 1991 | Pontiac | Grand Am | 2.3L | L4 | N/A | Hose Assembly |
| 1990 | Buick | Skylark | 2.3L | L4 | N/A | Hose Assembly |
| 1990 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Hose Assembly |
| 1990 | Pontiac | Grand Am | 2.3L | L4 | N/A | Hose Assembly |
| 1989 | Buick | Skylark | 2.3L | L4 | N/A | Hose Assembly |
| 1989 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Hose Assembly |
| 1989 | Pontiac | Grand Am | 2.3L | L4 | 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.