Four Seasons 56977 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 56977

The Four Seasons Hose Assembly 56977 is designed specifically for the HVAC system of Dodge Sprinter 2500 and Sprinter 3500 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable steel and rubber construction.

• Constructed from steel and rubber for durability and flexibility
• Features a flange end and capture o-ring for secure connections
• Compatible with R134-a refrigerant systems
• Includes gasket, fittings, and green o-rings for proper sealing
• Equipped with a 13 mm R134-a quick disconnect service port
• Designed as a low-pressure suction line without a switch or muffler
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. This line emphasizes compatibility with original equipment specifications, including proper fittings and seals. The 56977 hose assembly is part of this line, offering a direct replacement for the suction line in Dodge Sprinter 2500 and 3500 vehicles, maintaining system integrity and performance.

Detailed Product Description

The Four Seasons 56977 A/C refrigerant suction hose is engineered to handle low-pressure refrigerant flow within the HVAC system of Dodge Sprinter 2500 and Sprinter 3500 models. Its steel and rubber construction provides the necessary strength and flexibility to withstand system pressures and vibrations. The hose features a flange on one end and a capture o-ring on the other, ensuring a tight, leak-free connection. Included green o-rings and gasket help maintain a secure seal, while the 13 mm quick disconnect service port allows for efficient servicing without system contamination. This hose assembly does not include a switch, muffler, or bracket, focusing solely on the suction line function.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper low-pressure refrigerant flow in HVAC systems
• Eliminating poor A/C performance due to hose failure
• Maintaining system pressure integrity in Dodge Sprinter 2500 and 3500 models

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56977, ensure all old seals and o-rings are removed and replaced with the included green o-rings to prevent leaks. Verify the flange and capture o-ring ends are properly seated and tightened to manufacturer torque specifications. The 13 mm quick disconnect service port facilitates refrigerant system servicing; handle with care to avoid damage. This hose assembly is designed as a direct OE replacement, so no modifications should be necessary for Dodge Sprinter 2500 and Sprinter 3500 vehicles.

Quality Assurance and Warranty

Four Seasons manufactures the 56977 hose assembly to meet or exceed original equipment standards. This part is an OE replacement, ensuring compatibility and reliability. The product includes all necessary fittings and seals for proper installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.