Four Seasons 55909 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55909

The Four Seasons Hose Assembly 55909 is designed for reliable HVAC performance in select Chevrolet and GMC trucks and SUVs. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for your vehicle's air conditioning system.

• Constructed with durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green O-rings and gasket for secure sealing
• Features a female o-ring discharge end and dual o-ring suction end
• Equipped with a bracket and muffler for stable installation and noise reduction
• Manifold included for efficient refrigerant flow
• Service port with R134a quick disconnect for easy maintenance

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line from Four Seasons focuses on delivering precise replacement hoses and pipes for automotive HVAC systems. This line emphasizes compatibility with original equipment, incorporating necessary components such as O-rings, brackets, and mufflers to maintain system integrity. The 55909 hose assembly exemplifies this approach by providing a comprehensive solution for discharge and suction lines in Chevrolet and GMC vehicles.

Detailed Product Description

The Four Seasons 55909 hose assembly is constructed from a combination of aluminum and rubber, providing durability and flexibility required for effective refrigerant flow. It is designed specifically for R134a refrigerant systems, common in many Chevrolet and GMC models including the C1500, C2500, C3500, K1500, K2500, K3500, Tahoe, Yukon, and their Suburban variants. The assembly includes multiple green O-rings ([24082], [24606], [24677]) to ensure leak-free connections at both the discharge and suction ends. The discharge end features a female o-ring style, while the suction end uses a dual female o-ring design. A bracket and muffler are included to secure the hose assembly and reduce operational noise. The manifold is integrated to optimize refrigerant distribution, and the service port with an R134a quick disconnect allows for convenient system servicing. Note that fittings and switches are not included with this assembly.

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
• Restoring proper refrigerant flow in Chevrolet and GMC C/K series trucks and SUVs
• Eliminating noise and vibration issues with included muffler and bracket
• Facilitating maintenance with integrated service port for R134a systems

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC model and year before installation
• Use the included green O-rings to replace old seals and prevent leaks
• Secure the hose assembly using the provided bracket to avoid movement and wear
• Check the service port for proper connection and accessibility during servicing
• Do not reuse old fittings or switches as they are not included with this assembly

Quality Assurance and Warranty

Four Seasons manufactures the 55909 hose assembly to meet or exceed original equipment standards for durability and performance. The inclusion of OEM-style components such as O-rings, brackets, and mufflers supports long-term reliability. This part is an exact OE replacement designed specifically for Chevrolet and GMC vehicles listed in the fitment. Warranty details should be confirmed with the point of purchase or manufacturer documentation.