Four Seasons 66603 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Toyota 4Runner

The Four Seasons Hose Assembly part number 66603 is designed specifically for Toyota 4Runner models requiring a durable and efficient A/C refrigerant suction hose. Engineered with aluminum and rubber materials, this hose assembly ensures proper refrigerant flow and system performance.

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and bracket for complete installation
• Features a low-pressure suction line with a 13 mm service port
• OE replacement part designed to meet original equipment specifications
• Includes two green O-rings (part number 24681) for sealing
• Service port included without a switch or muffler

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing comprehensive hose solutions for automotive HVAC systems. This product line includes hose assemblies designed to meet specific vehicle requirements, ensuring compatibility and reliable performance. The 66603 suction hose assembly is part of this line, offering a complete package with fittings, gaskets, and brackets to facilitate straightforward installation and maintain system integrity.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered for the Toyota 4Runner's low-pressure side of the air conditioning system. Featuring P-nut fittings on both ends, it provides a secure and leak-resistant connection. The hose is constructed from a combination of aluminum and rubber, balancing strength and flexibility to withstand system pressures and vibrations. The included green O-rings and gasket ensure a tight seal, preventing refrigerant leaks. The assembly also comes with a bracket for proper mounting and a 13 mm service port to facilitate maintenance and refrigerant charging without the need for additional components.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses on Toyota 4Runner models
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow to improve air conditioning system efficiency
• Addressing low-pressure side failures in the A/C system
• Facilitating maintenance with an integrated service port

Installation Notes and Tips

Ensure the vehicle is depressurized and the refrigerant properly recovered before beginning installation. Verify that the P-nut fittings align correctly with the existing system ports on the Toyota 4Runner. Use the included green O-rings and gasket to create a secure seal, and tighten fittings to manufacturer torque specifications. The included bracket should be used to mount the hose assembly securely, preventing movement and potential damage. Avoid using hoses without the proper fittings or seals to maintain system integrity.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66603 is an OE replacement part designed to meet or exceed original equipment standards for fit, form, and function. It undergoes rigorous quality control to ensure durability and leak-free performance in Toyota 4Runner HVAC systems. Warranty coverage details should be confirmed with the product documentation or manufacturer.