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Four Seasons 55857 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 55857
The Four Seasons Hose Assembly 55857 is designed specifically for Chevrolet Astro and GMC Safari vehicles. This A/C refrigerant discharge and suction hose assembly ensures reliable HVAC system performance by maintaining proper refrigerant flow and pressure.
- Constructed from durable aluminum and rubber materials
- Compatible with R134a refrigerant type
- Includes green o-rings for secure sealing
- Features a female o-ring style on both discharge and suction ends
- Equipped with a muffler and manifold for noise reduction and system efficiency
- Does not include fittings, brackets, or service ports
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on providing high-quality hose and pipe solutions for automotive HVAC systems. This line emphasizes OEM replacement parts that meet original equipment specifications, ensuring proper fit and function. The 55857 hose assembly is part of this line, offering a direct replacement for the discharge and suction lines in Chevrolet Astro and GMC Safari models.
Detailed Product Description
This hose assembly combines aluminum and rubber components to withstand the demands of automotive air conditioning systems. It is designed for use with R134a refrigerant, the standard for many modern vehicles. The assembly includes multiple green o-rings ([24608] and [24612]) to ensure leak-free connections at both the discharge and suction ends, which are female o-ring types. The inclusion of a muffler and manifold helps reduce noise and vibration, contributing to a quieter HVAC operation. Note that this assembly does not come with fittings, brackets, or service ports, so those components must be sourced separately if needed.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant discharge and suction hoses
- Resolving refrigerant leaks caused by degraded seals or hose material
- Eliminating noise and vibration in the HVAC system with the included muffler
- Restoring proper refrigerant flow in Chevrolet Astro and GMC Safari air conditioning systems
- Maintaining system integrity with included OEM-quality green o-rings
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 55857, ensure all old hoses and seals are fully removed to prevent leaks. Use the included green o-rings to secure connections at both discharge and suction ends. Since fittings and brackets are not included, verify compatibility with existing hardware or acquire necessary parts separately. Properly torque all connections to manufacturer specifications to maintain system pressure and prevent refrigerant loss.
Quality Assurance and Warranty
The Four Seasons Hose Assembly 55857 is an OEM replacement part designed to meet original equipment standards for Chevrolet Astro and GMC Safari vehicles. It includes all necessary o-rings for sealing and is manufactured with durable materials to ensure long service life. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for automotive HVAC components.
| Brand | Four Seasons |
| Part Number | 55857 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Discharge End Style | Female O-Ring |
| Discharge End Type | Female O-Ring |
| Fittings Included | Not Included |
| Friction Material Attachment | w/o 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 | [24612] / Green O-Ring |
| O-Ring D Number/Desc | [24608] / Green O-Ring |
| O-Ring E Number/Desc | [24612] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Style | Female O-Ring |
| Suction End Type | Female O-Ring |
| Switch Included? | Not Included |
| Type | Discharge & Suction Line |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1989 | Chevrolet | Astro | 4.3L | V6 | N/A | w/ Rear Roof AC; Hose Assembly |
| 1989 | GMC | Safari | 4.3L | V6 | N/A | w/ Rear Roof AC; Hose Assembly |
| 1988 | Chevrolet | Astro | 4.3L | V6 | N/A | w/ Rear Roof AC; Hose Assembly |
| 1988 | GMC | Safari | 4.3L | V6 | N/A | w/ Rear Roof AC; Hose Assembly |
| 1987 | Chevrolet | Astro | 4.3L | V6 | N/A | w/ Rear Roof AC; Hose Assembly |
| 1987 | GMC | Safari | 4.3L | V6 | N/A | w/ Rear Roof 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.