HomeHVAC > Hoses and PipesFour Seasons 55787 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 55787

Four Seasons 55787 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Chevrolet and GMC, S10 and Sonoma
🔄Easy Returns — Return within 60 days for a full refund
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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.

BrandFour Seasons
Part Number55787
PositionHose Assembly
Bracket?w/o Bracket
Discharge End StyleUNF O-Ring
Discharge End TypeFemale O-Ring
Fittings IncludedNot Included
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Manifold?Yes
MaterialAluminum / 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 TypeR134a
Service Port?w/o Service Port
Suction End StyleUNF O-Ring
Suction End TypeFemale O-Ring
Switch Included?w/o Switch Port
TypeDischarge & Suction Line

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993ChevroletS102.5LL4N/AHose Assembly
1993GMCSonoma2.5LL4N/AHose Assembly
1992ChevroletS102.5LL4N/AHose Assembly
1992GMCSonoma2.5LL4N/AHose 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:

014912741115578715300721565717819300722828593481437812205177555787704902781220A72859CWK781220HA5740T55787

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.