Four Seasons 66077 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Chevrolet and GMC

The Four Seasons Hose Assembly 66077 is designed specifically for Chevrolet Equinox and GMC Terrain models. This A/C refrigerant suction hose ensures proper low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

Key Features of Four Seasons Hose Assembly 66077

• Constructed from durable aluminum and rubber materials for long-lasting use
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134-a refrigerant systems
• Includes slimline washer O-rings (part number 24404) for leak prevention
• Designed as a low-pressure suction line with two 13 mm service ports
• Includes gaskets and fittings for proper sealing
• OE replacement part ensuring direct fit and function
• Does not include a bracket, muffler, or switch

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing reliable hose assemblies tailored for HVAC systems. This product line emphasizes compatibility and durability, offering components like the 66077 suction hose that meet original equipment specifications for Chevrolet Equinox and GMC Terrain vehicles. These assemblies are engineered to maintain system integrity and refrigerant flow without the need for additional modifications.

Detailed Product Description

The Four Seasons 66077 A/C refrigerant suction hose is constructed from a combination of aluminum and rubber, providing a balance of flexibility and strength. Both ends feature P-nut fittings, ensuring a secure and leak-resistant connection to your vehicle’s HVAC system. This hose is designed for use with R134-a refrigerant and functions as a low-pressure suction line, critical for efficient air conditioning operation. The included slimline washer O-rings (part number 24404) and gaskets help maintain a tight seal, preventing refrigerant leaks. With two 13 mm service ports, this hose allows for convenient servicing without compromising system integrity. This OE replacement part fits Chevrolet Equinox and GMC Terrain models, ensuring compatibility and reliable performance.

Common Issues Addressed by This Suction Hose

• Refrigerant leaks causing reduced A/C cooling efficiency
• Damaged or worn suction lines leading to system pressure loss
• Corrosion or cracking in original hoses affecting refrigerant flow
• Improper sealing resulting in contamination or moisture ingress
• Failure of service ports or fittings impacting maintenance access

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66077, ensure all O-rings and gaskets are properly seated to prevent leaks. Use appropriate tools to tighten the P-nut fittings without over-torquing, which could damage the hose or fittings. Verify compatibility with your Chevrolet Equinox or GMC Terrain model year before installation. Since this hose does not include a bracket or muffler, inspect existing mounting points and hardware for wear or damage and replace as necessary.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. The 66077 hose assembly is an OE replacement part, ensuring fit and function consistent with factory specifications. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.