HomeHVAC > Hoses and PipesFour Seasons 65556 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 65556

Four Seasons 65556 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Chevrolet and GMC, Silverado 1500 and Sierra 1500
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Overview of Four Seasons Hose Assembly 65556

The Four Seasons Hose Assembly 65556 is designed for reliable performance in automotive HVAC systems. Engineered for Chevrolet and GMC trucks, this A/C refrigerant discharge and suction hose assembly supports both high and low pressure applications using R134-a refrigerant.

  • Constructed from durable aluminum and rubber materials
  • Compatible with Chevrolet Cheyenne, GMC Sierra 1500, Silverado 1500, and Silverado 2500 models
  • Includes gaskets, fittings, and O-rings for a complete installation
  • Equipped with a switch service port and bracket for secure mounting
  • Features flange-style discharge and suction ends for proper sealing
  • Comes with a muffler and manifold block integrated
  • OE replacement part ensuring direct fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering comprehensive HVAC hose solutions that combine multiple components into a single assembly. This approach simplifies installation and maintenance by including essential fittings, gaskets, O-rings, and mounting brackets. The 65556 part number exemplifies this line by integrating both discharge and suction lines with service ports and mufflers, tailored for specific Chevrolet and GMC truck models.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly (part number 65556) is constructed with aluminum and rubber to withstand the demands of high and low pressure HVAC systems. It is designed specifically for use with R134-a refrigerant, ensuring compatibility with modern automotive air conditioning systems. The assembly includes two types of slimline washer O-rings (part numbers 24404 and 24402), with two of each included to ensure a secure, leak-free connection. The flange-style discharge and suction ends provide a reliable seal, while the integrated manifold block and muffler help maintain system efficiency and reduce noise. The included bracket and fittings facilitate proper installation and secure mounting within the engine bay.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C refrigerant hoses in Chevrolet and GMC trucks
  • Restoring proper refrigerant flow in Silverado 1500 and 2500 HVAC systems
  • Fixing high or low pressure line failures in Sierra 1500 and Cheyenne models
  • Resolving issues related to damaged or missing service ports and fittings
  • Eliminating noise caused by faulty mufflers within the A/C line assembly

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Cheyenne, GMC Sierra 1500, Silverado 1500, and Silverado 2500 before installation
  • Use the included gaskets and O-rings to prevent refrigerant leaks
  • Secure the assembly using the provided bracket to avoid vibration damage
  • Check that the switch service port is properly connected if applicable
  • Follow manufacturer torque specifications for flange fittings

Quality Assurance and Warranty

The Four Seasons Hose Assembly 65556 is an OE replacement part designed to meet or exceed original equipment specifications. It includes all necessary seals and fittings to ensure a proper fit and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer.

BrandFour Seasons
Part Number65556
PositionHose Assembly
Bracket?w/ Bracket
Discharge End StyleFlange
Discharge End TypeFlange
Fittings IncludedIncluded
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Manifold Suc StyleBlock
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/ Muffler
O-Ring A Number/Desc[24404] / Slimline Washer
O-Ring B Number/Desc[24402] / Slimline Washer
O-Rings Included?Included
O.E. Replacement?Yes
Orifice Tube?w/o Orifice Tube
Refrigerant TypeR134-A
Service Port?w/ Service Port
Suction End StyleFlange
Suction End TypeFlange
Switch Included?Not Included
System PressureHigh Pressure / Low Pressure
TypeDischarge & Suction Line

This part fits 11 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2018ChevroletCheyenne5.3LV8N/Aw/ R134a; Hose Assembly
2018ChevroletSilverado 15005.3LV8ELECTRIC/GASN/AHose Assembly
2018ChevroletSilverado 2500N/Aw/ R134a; Hose Assembly
2018GMCSierra 1500SLT5.3LV8ELECTRIC/GASN/AHose Assembly
2017ChevroletCheyenne5.3LV8N/Aw/ R134a; Hose Assembly
2017ChevroletSilverado 15005.3LV8ELECTRIC/GASN/AHose Assembly
2017ChevroletSilverado 25005.3LV8N/Aw/ R134a; Hose Assembly
2017GMCSierra 15005.3LV8ELECTRIC/GASN/AHose Assembly
2016ChevroletCheyenne5.3LV8N/Aw/ R134a; Hose Assembly
2016ChevroletSilverado 15005.3LV8N/Aw/ R134a; Hose Assembly
2016ChevroletSilverado 2500N/Aw/ R134a; 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:

15348612119632341853948129486555678156284459871A83732HA113930C

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