Four Seasons 66742 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 66742 A/C Hose Assembly

Four Seasons 66742 is an OE replacement A/C refrigerant discharge and suction hose assembly for the 2013-2015 Chevrolet Camaro. Built with aluminum and rubber construction, it is configured for R134-A systems and includes the required seals and service port details for the listed application.

This Four Seasons hose assembly is a direct-fit HVAC line for Camaro models that need a discharge and suction line with a block-style manifold, P-nut fittings, and an R134-A quick disconnect service port. The Four Seasons 66742 part number is also referenced in aftermarket cross listings for the same application.

Key Features

• OE replacement A/C refrigerant discharge and suction hose assembly
• Aluminum / rubber construction for HVAC routing and flexibility
• Configured for R134-A refrigerant systems
• Includes gasket or seal and O-rings
• Service port included with R134-A quick disconnect design
• Block-style manifold with P-nut fitting ends
• Built without bracket and without muffler
• Switch port provided; switch not included

Detailed Description

Four Seasons 66742 is an HVAC hose assembly engineered for the discharge and suction side of the air conditioning system. It uses an aluminum and rubber line construction, a block manifold suction style, and P-nut fitting ends with a 11.71 in discharge end and 17.500 mm suction end. The assembly is specified for R134-A refrigerant service and includes the service port, seals, and O-ring components needed for the listed vehicle application. This part is a direct OE replacement for 2013-2015 Chevrolet Camaro models and is also listed under cross-reference numbers used in the aftermarket.

Compatible With 2013-2015 Chevrolet Camaro, N/A. Four Seasons 66742 is the correct style of A/C refrigerant discharge / suction hose assembly for this application when the original line uses the same manifold and service-port configuration.

Common Problems This Part Can Address

• Refrigerant loss from a cracked or leaking hose assembly
• Damaged fittings or worn sealing surfaces at the manifold connection
• Service port issues on an R134-A A/C line
• Reduced A/C performance caused by a compromised discharge or suction hose
• Replacement needs after corrosion, age, or physical damage to the original HVAC line

Installation Notes and Tips

Verify the original hose routing, fitting style, manifold layout, and service-port configuration before installation. Replace the seals and O-rings during service, evacuate and recharge the system with the correct R134-A refrigerant, and inspect the compressor, condenser, and related A/C components for contamination or damage before returning the vehicle to service. This part cross-references UAC HA111998C for the same application.

Quality Assurance

Four Seasons is a recognized HVAC parts brand, and this hose assembly is listed as an OE replacement part for the specified Camaro applications. Part number 66742 is cataloged for 2013-2015 Chevrolet Camaro fitment and built to match the listed line, fitting, and service-port specifications.