HomeHVAC > Hoses and PipesFour Seasons 55749 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 55749

Four Seasons 55749 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 55749

The Four Seasons Hose Assembly 55749 is designed for reliable HVAC performance in select Cadillac models. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for Cadillac Commercial Chassis, DeVille, and Fleetwood vehicles.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant systems
  • Includes green o-rings [24608] and [24612] for secure sealing
  • Features a muffler to reduce system noise
  • Designed without switch service port, fittings, or bracket
  • Discharge and suction ends use female UNF o-ring style connections
  • Includes manifold for system integration

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored for specific vehicle applications. This line emphasizes OEM replacement quality, using materials like aluminum and rubber to withstand refrigerant pressures and temperature variations. The 55749 hose assembly fits within this line by providing both discharge and suction line functions in one integrated component, simplifying repairs and maintaining system integrity for Cadillac models.

Technical Description and Features

This A/C refrigerant discharge and suction hose assembly is constructed with a combination of aluminum and rubber to balance flexibility and durability. It is designed specifically for R134a refrigerant systems, common in many Cadillac vehicles. The assembly includes essential sealing components such as green o-rings (part numbers 24608 and 24612) to ensure leak-free connections at both discharge and suction ends, which feature female UNF o-ring style fittings. The inclusion of a muffler helps minimize noise during operation. Notably, this assembly does not include fittings, brackets, or a switch service port, which may require separate procurement depending on the vehicle's configuration.

Compatible Vehicles and Applications

  • Cadillac Commercial Chassis HVAC system repairs
  • Replacement for Cadillac DeVille A/C refrigerant lines
  • Suitable for Cadillac Fleetwood air conditioning maintenance
  • OEM replacement part for maintaining factory specifications
  • Used in discharge and suction line applications within the HVAC system

Installation Notes and Tips

  • Verify compatibility with your specific Cadillac model and year before installation
  • Ensure all old refrigerant is properly evacuated from the system prior to hose replacement
  • Inspect and replace o-rings as needed to prevent leaks
  • Use proper torque specifications on fittings to avoid damage
  • Check for the presence of required fittings or brackets, as this assembly does not include them

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55749 is an OEM replacement part designed to meet or exceed factory standards for fit and function. It includes all necessary o-rings for sealing and is manufactured to withstand the demands of R134a refrigerant systems. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandFour Seasons
Part Number55749
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[24608] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
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 3 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1988CadillacCommercial ChassisN/AHose Assembly
1988CadillacDeVilleN/AHose Assembly
1988CadillacFleetwoodSedan4.5LV8N/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:

06308111557491538711938712008292553580634771378115248114435177155749704772781152A6796ACD153871CWK781152HA10491T55749

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