Four Seasons 55007 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 55007

The Four Seasons Hose Assembly 55007 is designed for reliable A/C refrigerant discharge in select GM vehicles. Engineered to meet original equipment specifications, this hose assembly supports R134a refrigerant systems in Cadillac, Chevrolet, and GMC models.

• Compatible with Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 2500 HD, and other GM trucks and SUVs
• Includes gasket and fittings for secure installation
• Equipped with a muffler to reduce noise and vibration
• Features a switch service port with M10x1.250 size
• O-rings included: two slimline washers and one green o-ring
• Original equipment replacement part
• Discharge line type hose assembly without bracket

Detailed Product Description

This Four Seasons Hose Assembly 55007 belongs to the Hose Assembly product line, which focuses on durable and precise HVAC hose and pipe replacements. This particular discharge hose is designed for R134a refrigerant systems and includes all necessary fittings and gaskets to ensure a proper seal and fit. The assembly features a muffler to minimize operational noise and vibration, enhancing overall system performance. It also includes a switch service port sized M10x1.250, although the switch itself is not included. The suction end uses a P-nut fitting for secure connection. This hose assembly is an original equipment replacement, ensuring compatibility and reliability for your vehicle's air conditioning system.

Compatible Vehicles and Applications

This A/C refrigerant discharge hose is compatible with a range of GM vehicles, including:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Silverado 2500, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Cheyenne

It is designed to replace the original discharge line in these models, ensuring proper refrigerant flow and system integrity.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to worn or damaged discharge hose
• Reduced A/C system efficiency from compromised seals or fittings
• Excessive noise or vibration caused by missing or faulty muffler
• Failure of the discharge line leading to system pressure loss
• Corrosion or wear on original equipment hoses affecting performance

Installation Notes and Tips

• Ensure the system is fully depressurized before removal of the old hose
• Use the included gaskets and O-rings to maintain a proper seal
• Verify the switch port size (M10x1.250) matches your vehicle’s requirements
• Check for proper routing to avoid kinks or contact with moving parts
• Confirm all fittings are tightened to manufacturer torque specifications

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55007 is manufactured to meet or exceed original equipment standards for durability and performance. It includes all necessary components such as gaskets, fittings, and O-rings to ensure a reliable installation. This part is backed by Four Seasons’ quality assurance protocols, providing confidence in its fit and function for Cadillac, Chevrolet, and GMC vehicles. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship.