Four Seasons 56458 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for GM SUVs

The Four Seasons Hose Assembly 56458 is designed to maintain optimal air conditioning performance in select Cadillac, Chevrolet, and GMC SUVs. Engineered for durability and precise fitment, this A/C refrigerant suction hose ensures efficient refrigerant flow and system reliability.

• Constructed from durable aluminum and rubber materials for strength and flexibility
• Equipped with male p-nut fittings on both ends for secure connections
• Compatible with R134-a refrigerant systems operating under low pressure
• Includes necessary gaskets, seals, and fittings for installation
• OE replacement part designed specifically for Cadillac Escalade, Chevrolet Suburban, Tahoe, and GMC Yukon models

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose solutions for HVAC systems, combining quality materials and precise engineering. The 56458 suction hose assembly is part of this line, offering a direct replacement that meets original equipment specifications without additional components like brackets or mufflers, simplifying installation and ensuring compatibility with factory systems.

Product Details and Specifications

This A/C refrigerant suction hose is constructed with a combination of aluminum and rubber, providing a balance of rigidity and flexibility necessary for HVAC system durability. Both ends feature male p-nut fittings, facilitating a secure and leak-resistant connection. Designed for use with R134-a refrigerant, it operates under low system pressure and includes three slimline washer O-rings (part number 24404) to ensure a tight seal. The assembly comes with all required fittings and gaskets but does not include a service port, switch, bracket, or muffler.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Suburban 1500, Suburban 2500, Tahoe
• GMC Yukon, Yukon XL 1500, Yukon XL 2500

This hose assembly is intended for use as a suction line in the vehicle's A/C system, replacing worn or damaged OEM parts to restore proper refrigerant flow and system efficiency.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to damaged or worn suction hoses
• Reduced A/C cooling performance from compromised suction line integrity
• System pressure loss caused by faulty or deteriorated hose fittings
• Corrosion or cracking in original suction hoses affecting refrigerant flow
• Replacement of OEM suction lines to maintain factory system specifications

Installation Notes and Tips

Installation requires proper handling of refrigerant lines and adherence to safety protocols. Ensure all O-rings and gaskets are correctly positioned to prevent leaks. The hose assembly does not include a bracket or muffler, so reuse existing mounting hardware if applicable. Verify compatibility with your specific vehicle model and refrigerant type (R134-a) before installation.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56458 is an OE replacement part manufactured to meet original equipment standards. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for HVAC components.