Four Seasons 66774 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Toyota Tundra

The Four Seasons Hose Assembly 66774 is designed specifically for Toyota Tundra models, providing a durable and efficient solution for your vehicle's HVAC system. Crafted from aluminum and rubber, this suction hose ensures optimal refrigerant flow and system performance.

• Constructed with aluminum and rubber materials for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134-a refrigerant type
• Includes black O-rings (part number 24150) for a reliable seal
• OE replacement part designed to meet original equipment specifications
• Includes gasket and fittings for proper installation
• Service port size: 13 mm, low side suction line without switch or muffler

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems in various vehicles. This product line emphasizes precise fitment and material quality to maintain system integrity and refrigerant containment. The 66774 suction hose assembly is part of this line, engineered to meet the specific requirements of Toyota Tundra models.

Detailed Product Description

This A/C refrigerant suction hose assembly features a combination of aluminum and rubber materials, offering both strength and flexibility to withstand the demands of automotive HVAC systems. The P-nut fittings on both ends ensure a secure and leak-resistant connection to the vehicle’s air conditioning components. Designed for use with R134-a refrigerant, this hose assembly includes two black O-rings (part number 24150) to maintain a tight seal and prevent refrigerant loss. The part number 66774 is an exact OE replacement, ensuring compatibility and reliable performance in Toyota Tundra vehicles.

Common Applications and 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 for efficient air conditioning operation
• Eliminating poor A/C performance due to faulty suction line components
• Maintaining system integrity by using OE replacement parts

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66774, ensure that the P-nut fittings are properly tightened to avoid leaks. The included black O-rings should be inspected and replaced if necessary to maintain a secure seal. This hose assembly does not include a switch or muffler, so verify compatibility with your vehicle’s existing HVAC components. Proper handling of the aluminum and rubber materials during installation will help prevent damage and ensure long-term durability.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 66774 hose assembly is an OE replacement part, ensuring it meets the specifications required for Toyota Tundra HVAC systems. While specific warranty details are not provided, Four Seasons typically offers coverage against defects in materials and workmanship.