Four Seasons 66776 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66776

The Four Seasons Hose Assembly 66776 is designed specifically for Audi TT and TT Quattro models, providing a reliable A/C refrigerant suction hose solution. Engineered to meet original equipment specifications, this hose assembly ensures proper refrigerant flow and system performance.

• Compatible with Audi TT and TT Quattro models
• Designed for R134-a refrigerant systems
• Includes gasket and fittings for secure installation
• Equipped with a muffler and service port for noise reduction and maintenance access
• OE replacement part ensuring proper fit and function

Detailed Product Features and Specifications

This A/C refrigerant suction hose from Four Seasons is part of the Hose Assembly product line, which focuses on delivering complete hose solutions for HVAC systems. The 66776 hose assembly includes all necessary fittings and a gasket to facilitate a secure and leak-free connection. It is designed without a bracket and switch, but it does include a muffler to reduce operational noise and a service port to allow for easy refrigerant servicing. The hose is compatible with R134-a refrigerant, the standard for many modern automotive air conditioning systems.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C suction lines in Audi TT and TT Quattro
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Eliminating A/C system noise through the integrated muffler
• Facilitating refrigerant recharge and maintenance via the included service port
• Ensuring proper refrigerant flow and system efficiency

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66776, ensure the gasket and fittings are properly seated to prevent leaks. The absence of a bracket means the hose should be carefully routed and secured using existing vehicle mounts. Since the hose comes without a switch, verify compatibility with your vehicle’s A/C system wiring. The included service port allows for straightforward refrigerant servicing without additional modifications.

Quality Assurance and Warranty

Four Seasons manufactures the 66776 hose assembly to meet or exceed original equipment standards, providing a dependable replacement part for Audi TT and TT Quattro vehicles. This hose assembly is an OE replacement part, ensuring fit, form, and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.