Four Seasons 56418 A/C Refrigerant Discharge / Suction Hose Assembly

Reliable A/C Refrigerant Hose Assembly for Chevrolet and GMC

The Four Seasons Hose Assembly part number 56418 is designed to provide dependable performance for your vehicle's HVAC system. Engineered for select Chevrolet, GMC, and Oldsmobile models, this A/C refrigerant discharge and suction hose assembly ensures proper refrigerant flow and system efficiency.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes essential gaskets and O-rings for secure sealing
• Features P-nut fittings on both discharge and suction ends
• Equipped with a muffler and manifold for noise reduction and system integration
• Includes a switch service port but does not come with fittings or brackets

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This product line emphasizes quality materials and exact fitment to maintain the integrity of the air conditioning system. The 56418 hose assembly is part of this line, offering a direct OE replacement designed to meet factory specifications for Chevrolet Bravada, GMC Envoy, and Trailblazer models.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly combines aluminum and rubber components to withstand the pressures and temperatures typical in automotive HVAC systems. It is designed for use with R134a refrigerant, the standard for many late-model vehicles. The assembly includes multiple sealing washers (O-rings) to ensure leak-free connections, including slimline washers for a precise fit. The P-nut fittings on both ends facilitate secure attachment to the vehicle’s manifold and compressor. Additionally, the integrated muffler helps reduce system noise, contributing to a quieter cabin environment.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant hoses in Chevrolet Bravada and GMC Envoy models
• Restoring proper refrigerant flow to improve air conditioning performance
• Eliminating refrigerant leaks caused by damaged seals or fittings
• Reducing system noise through the included muffler
• Ensuring compatibility with R134a refrigerant systems in Trailblazer and Oldsmobile vehicles

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56418, ensure all old seals and fittings are removed and the connection points are clean. The included gaskets and O-rings should be replaced to maintain a proper seal. Note that fittings and brackets are not included, so reusing existing hardware or sourcing separately may be necessary. The P-nut fittings require careful tightening to avoid damage or leaks. Verify compatibility with your specific Chevrolet, GMC, or Oldsmobile model before installation.

Quality Assurance and Warranty

This hose assembly is an OE replacement part, designed to meet original equipment standards for fit and function. Four Seasons products typically undergo rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details are not provided here, Four Seasons generally offers coverage against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.