Four Seasons 55540 A/C Suction and Liquid Line Hose Assembly

Overview of Four Seasons Hose Assembly 55540

The Four Seasons Hose Assembly 55540 is designed for reliable HVAC performance in Dodge trucks and SUVs. This A/C suction and liquid line hose assembly is engineered to meet the specific needs of Dodge D100, D150, D250, D350, Ramcharger, W100, W150, W250, and W350 models, ensuring proper refrigerant flow and system pressure management.

• Constructed with durable aluminum and rubber materials
• Compatible with R12 refrigerant systems
• Includes gaskets, seals, and fittings for a complete installation
• Features block-type ends for secure connections
• Designed for both high and low system pressure applications
• Equipped with manifold and service port (without switch port)
• O-rings and gaskets included for leak prevention
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. The 55540 hose assembly is part of this line, offering a combination of suction and liquid line hoses that integrate manifold components and necessary seals. This ensures compatibility with original equipment standards and supports efficient air conditioning system operation in Dodge trucks and SUVs.

Detailed Product Description

This hose assembly combines aluminum and rubber materials to provide durability and flexibility required for HVAC systems. Both ends of the hose feature block-type fittings, facilitating secure and leak-resistant connections. The assembly supports R12 refrigerant and is designed to handle both high and low system pressures, making it suitable for comprehensive A/C system needs. Included with the hose assembly are multiple O-rings and gaskets—specifically two green O-rings (part number 24651), one gasket (24138), and one filter drier flange port gasket (24124)—to ensure a tight seal and prevent refrigerant leaks. The assembly comes with fittings and a manifold but does not include a bracket, muffler, or orifice tube. It also features a service port for maintenance access but lacks a switch service port.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction and liquid line hoses in Dodge D100, D150, D250, D350, Ramcharger, W100, W150, W250, and W350 models
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper refrigerant flow and system pressure balance
• Addressing HVAC system inefficiencies due to hose assembly failure
• Ensuring compatibility with R12 refrigerant systems for older Dodge vehicles

Installation Notes and Tips

• Verify compatibility with your specific Dodge model and year before installation
• Ensure all included O-rings and gaskets are properly seated to prevent leaks
• Use appropriate tools to secure block-type fittings without over-tightening
• Inspect the A/C system for additional wear or damage during replacement
• Follow manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55540 is an OE replacement part, designed to meet original equipment specifications for fit and function. It includes all necessary seals and fittings to maintain system integrity. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.