Four Seasons 66594 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66594

The Four Seasons Hose Assembly 66594 is designed specifically for Toyota Corolla and Matrix models, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134a systems.

Key Features of the A/C Refrigerant Suction Hose

• 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 and fittings for a complete installation
• Designed as a suction line for low-pressure A/C system operation
• Includes two green O-rings (part number 24681) for proper sealing
• OE replacement part ensuring direct fit and function
• Does not include a bracket, muffler, or service port

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering precise HVAC hose and pipe components tailored for vehicle-specific applications. This product line emphasizes compatibility and quality, providing assemblies like the 66594 that meet original equipment specifications for Toyota vehicles. The Hose Assembly series is engineered to maintain system integrity and performance without additional components such as brackets or mufflers, streamlining installation and service.

Detailed Product Description

The Four Seasons 66594 A/C refrigerant suction hose is a critical component in the HVAC system of Toyota Corolla and Matrix vehicles. Its aluminum and rubber construction balances strength and flexibility, allowing it to withstand the demands of low-pressure refrigerant flow. Both ends feature P-nut fittings, ensuring a secure and leak-free connection to the A/C system. The included gasket and fittings simplify installation, while the two green O-rings provide an effective seal to prevent refrigerant loss. This hose assembly is designed without a service port or switch, focusing solely on the suction line function within the R134a refrigerant system.

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 low-pressure refrigerant flow in Toyota Corolla and Matrix A/C systems
• Eliminating connection failures due to faulty fittings or seals
• Maintaining system efficiency by ensuring OEM-level component compatibility

Installation Notes and Tips

• Verify compatibility with Toyota Corolla or Matrix models before installation
• Ensure all fittings and O-rings are properly seated to prevent leaks
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Inspect surrounding components for wear or damage during replacement
• Follow vehicle manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66594 is an OE replacement part manufactured to meet or exceed original equipment standards. It includes all necessary fittings and seals to ensure a proper fit and function. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in material and workmanship, providing confidence in product reliability for Toyota Corolla and Matrix owners.