Four Seasons 66766 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66766

The Four Seasons Hose Assembly 66766 is designed specifically for the Ford C-Max HVAC system. This A/C refrigerant suction hose ensures reliable performance by using durable aluminum and rubber materials, making it a suitable replacement for your vehicle's original suction line.

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for a complete installation
• OE replacement part designed to meet factory specifications
• Does not include a switch service port, bracket, or muffler
• Comes with two tear drop sealing washers (O-Rings) for leak prevention

Detailed Product Description

The Four Seasons Hose Assembly 66766 belongs to the Hose Assembly product line, which focuses on providing high-quality hose and pipe components for automotive HVAC systems. This particular suction hose assembly is engineered to replace the original equipment (OE) suction line in Ford C-Max models, ensuring compatibility and proper fitment. The combination of aluminum and rubber materials offers a balance of strength and flexibility, essential for handling refrigerant flow and pressure within the A/C system.

Both ends of the hose feature P-nut fittings, which facilitate a secure and leak-resistant connection to the vehicle’s HVAC components. The included gasket and fittings simplify installation and help maintain system integrity. This hose assembly is designed for use with R134-a refrigerant, the standard for many modern vehicles, including the Ford C-Max.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow in the Ford C-Max HVAC system
• Eliminating poor A/C performance due to suction line failure
• Preventing contamination and moisture ingress in the refrigerant circuit

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66766, ensure the vehicle is depressurized and the refrigerant is properly recovered by a certified technician. Verify that the P-nut fittings are tightened to manufacturer torque specifications to prevent leaks. Use the included tear drop sealing washers (O-rings) to maintain a secure seal at connection points. Since this assembly does not include a bracket or muffler, confirm that existing mounting hardware is intact and properly supports the hose to avoid vibration damage.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards, providing reliable performance for your Ford C-Max HVAC system. The Hose Assembly 66766 is an OE replacement part, ensuring compatibility and durability. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their HVAC components. Consult product documentation or the manufacturer for exact warranty terms.