Four Seasons 66857 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66857

The Four Seasons Hose Assembly 66857 is designed specifically for the Cadillac SRX HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

• Constructed from durable aluminum and rubber materials
• Features a flange end and a P-nut fitting end for secure connections
• Compatible with R134-a refrigerant systems
• Includes gasket, fittings, and three green O-rings for proper sealing
• Designed as a low-pressure suction line without a muffler or bracket

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on providing complete hose solutions for automotive HVAC systems. This line includes assemblies that combine multiple components such as fittings, seals, and gaskets to ensure a precise fit and reliable performance. The 66857 part number is part of this line, offering a ready-to-install suction hose assembly tailored for the Cadillac SRX.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered to handle low-pressure refrigerant flow within the Cadillac SRX’s HVAC system. The combination of aluminum and rubber materials provides durability and flexibility, while the flange and P-nut fitting ends ensure secure and leak-free connections. The included gasket and three green O-rings (part number 24681) help maintain a tight seal, preventing refrigerant loss. This hose assembly is designed without a muffler, bracket, or switch service port, simplifying installation and maintenance.

Common Applications and Issues Addressed

• Replacement of worn or damaged suction hoses in Cadillac SRX A/C systems
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper low-pressure refrigerant flow for efficient cooling
• Eliminating connection failures due to missing or faulty fittings and seals
• Upgrading OEM suction lines with a complete hose assembly for improved reliability

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66857, ensure all fittings and O-rings are properly seated to prevent leaks. Use the included gasket and fittings for a secure connection. Since this assembly does not include a bracket or muffler, verify existing mounting points on the Cadillac SRX before installation. The hose is designed for R134-a refrigerant systems and low-pressure suction lines, so confirm compatibility with your vehicle’s A/C specifications.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OEM replacement part, meeting original equipment standards for fit and function. The inclusion of all necessary seals and fittings supports a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.