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Four Seasons 55787 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 55787
The Four Seasons Hose Assembly 55787 is designed specifically for Chevrolet S10 and GMC Sonoma models. This A/C refrigerant discharge and suction hose assembly ensures reliable performance with durable aluminum and rubber construction, compatible with R134a refrigerant systems.
- Constructed from aluminum and rubber for durability and flexibility
- Compatible with R134a refrigerant type
- Includes green o-rings and sealing washers for secure connections
- Designed without switch service port, fittings, bracket, or muffler
- Features female o-ring discharge and suction ends with UNF threading
- OE replacement part ensuring proper fit and function
- Includes manifold for system integration
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on providing reliable HVAC hose and pipe solutions for vehicle air conditioning systems. This line emphasizes quality materials and precise fitment to maintain system integrity and performance. The 55787 hose assembly is part of this line, offering a direct OE replacement for Chevrolet S10 and GMC Sonoma vehicles, ensuring compatibility and ease of installation.
Detailed Product Description
The Four Seasons 55787 hose assembly combines aluminum and rubber materials to withstand the pressures and temperatures typical in automotive A/C 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]) and sealing washers ([24354]) to ensure leak-free connections at both discharge and suction ends, which feature female o-ring UNF fittings. This part does not include fittings, brackets, mufflers, or switch ports, focusing on the core hose assembly and manifold components. As an OE replacement, it meets factory specifications for Chevrolet S10 and GMC Sonoma models.
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 hoses
- Restoring proper refrigerant flow in Chevrolet S10 and GMC Sonoma A/C systems
- Addressing system inefficiencies due to cracked or brittle hose materials
- Maintaining system pressure and preventing contamination
Installation Notes and Tips
- Ensure compatibility with Chevrolet S10 and GMC Sonoma models before installation
- Use included green o-rings and sealing washers to prevent leaks
- Check for proper seating of female o-ring UNF fittings at discharge and suction ends
- Do not reuse old fittings or brackets as this assembly does not include them
- Follow vehicle manufacturer torque specifications when securing connections
Quality Assurance and Warranty
The Four Seasons Hose Assembly 55787 is manufactured to meet or exceed OEM standards for fit, form, and function. It is an OE replacement part designed to maintain the integrity of the vehicle’s HVAC system. The product includes all necessary sealing components to ensure a reliable installation. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.
| Brand | Four Seasons |
| Part Number | 55787 |
| 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/o Switch Port |
| Gasket Or Seal Included | Included |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| O-Ring C Number/Desc | [24354] / Sealing Washer |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Style | UNF O-Ring |
| Suction End Type | Female O-Ring |
| Switch Included? | w/o Switch Port |
| Type | Discharge & Suction Line |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Chevrolet | S10 | 2.5L | L4 | N/A | Hose Assembly |
| 1993 | GMC | Sonoma | 2.5L | L4 | N/A | Hose Assembly |
| 1992 | Chevrolet | S10 | 2.5L | L4 | N/A | Hose Assembly |
| 1992 | GMC | Sonoma | 2.5L | 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.