HomeHVAC > Hoses and PipesFour Seasons 56365 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 56365

Four Seasons 56365 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Cadillac, Commercial Chassis, DeVille, and Fleetwood
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 56365

The Four Seasons Hose Assembly 56365 is designed specifically for Cadillac models including Commercial Chassis, DeVille, and Fleetwood. 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 for secure sealing (two each of part numbers 24082, 24608, and 24615)
  • Equipped with a muffler to reduce noise
  • Features female o-ring fittings on both discharge and suction ends
  • Manifold included, fittings and bracket not included
  • Designed without a service or switch port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable HVAC hose and pipe solutions for automotive air conditioning systems. This line emphasizes OE replacement quality, ensuring that parts like the 56365 hose assembly meet original equipment specifications for fit and function. The assemblies are engineered to maintain system integrity and performance in vehicles such as Cadillac Commercial Chassis, DeVille, and Fleetwood models.

Detailed Product Description

The Four Seasons 56365 hose assembly combines aluminum and rubber materials to offer a balance of strength and flexibility necessary for A/C refrigerant lines. It is designed for use with R134a refrigerant, the standard for many modern automotive air conditioning systems. The assembly includes multiple green O-rings (part numbers 24082, 24608, and 24615) to ensure leak-free connections at both the discharge and suction ends, which feature female o-ring fittings. The inclusion of a muffler helps reduce operational noise, enhancing cabin comfort. This hose assembly does not include fittings, brackets, or service ports, so installation requires compatible components and tools.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant discharge and suction hoses
  • Resolving refrigerant leaks caused by degraded O-rings or hose material
  • Eliminating noise issues in the A/C system with the integrated muffler
  • Restoring proper refrigerant flow in Cadillac Commercial Chassis, DeVille, and Fleetwood models
  • Maintaining system pressure and preventing contamination with OE-quality manifold and seals

Installation Notes and Tips

  • Ensure compatibility with Cadillac Commercial Chassis, DeVille, or Fleetwood before installation
  • Use the included green O-rings to replace old seals and prevent leaks
  • Verify that fittings and brackets are sourced separately as they are not included
  • Check for proper seating of female o-ring connections on both discharge and suction ends
  • Handle the aluminum and rubber components carefully to avoid damage during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56365 is an OE replacement part designed to meet original equipment standards for fit, form, and function. It undergoes rigorous quality control to ensure durability and leak-free performance in automotive HVAC systems. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number56365
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/ Muffler
O-Ring A Number/Desc[24082] / Green O-Ring
O-Ring B Number/Desc[24608] / Green O-Ring
O-Ring C Number/Desc[24615] / Green O-Ring
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End StyleUNF Dual O-Ring
Suction End TypeFemale O-Ring
Switch Included?Not Included
TypeDischarge & Suction Line

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1990CadillacCommercial ChassisN/AFrom 5/90; Hose Assembly
1990CadillacDeVilleN/A2nd Design; Hose Assembly
1990CadillacFleetwoodN/A2nd Design; 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:

11156365153999255539882829333781178481176156365629070704958781178A72933CWK781178HA5785T56365

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