Four Seasons 56251 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 56251

The Four Seasons Hose Assembly 56251 is designed for reliable performance in automotive HVAC systems. This A/C refrigerant discharge and suction hose assembly is compatible with select Buick, Oldsmobile, and Pontiac models, providing a precise fit and durable construction.

• Constructed from aluminum and rubber materials for durability and flexibility
• Compatible with R134a refrigerant systems
• Includes green O-rings and sealing washers for secure connections
• Features a manifold and muffler for optimized refrigerant flow and noise reduction
• Equipped with a switch service port and R134a quick disconnect service port
• Discharge and suction ends use UNF dual O-ring and P-nut fittings
• OE replacement part ensuring proper fit and function

Detailed Product Description

The Four Seasons Hose Assembly 56251 belongs to the Hose Assembly product line, which focuses on delivering high-quality HVAC hoses and pipes engineered for specific vehicle applications. This assembly combines aluminum and rubber components to withstand the pressures and temperatures typical in automotive air conditioning systems. It is designed for use with R134a refrigerant, the standard in many vehicles, including Buick, Oldsmobile, and Pontiac models such as the Buick LeSabre, Oldsmobile 88 and 98, Pontiac Bonneville, and Park Avenue.

This hose assembly includes multiple green O-rings ([24606], [24668], [24672]) and sealing washers ([24354], [24355]) to ensure leak-free connections. The discharge end features a UNF dual O-ring with a P-nut fitting, while the suction end also uses a UNF O-ring and P-nut fitting. The assembly comes with a manifold and muffler to help regulate refrigerant flow and reduce noise during operation. Additionally, it includes a switch service port and an R134a quick disconnect service port, facilitating easier maintenance and service.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Resolving refrigerant leaks caused by damaged O-rings or seals
• Addressing noise issues in the A/C system with the included muffler
• Improving refrigerant flow and system efficiency with the integrated manifold
• Facilitating service and diagnostics through the included switch and service ports

Installation Notes and Tips

• Ensure compatibility with Buick, Oldsmobile, and Pontiac models listed before installation
• Inspect all included O-rings and sealing washers for proper placement to prevent leaks
• Use appropriate tools for P-nut fittings to avoid damage during installation
• Verify that the switch service port and quick disconnect service port are accessible for future maintenance
• Follow vehicle manufacturer torque specifications when securing fittings

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56251 is an OE replacement part, meeting original equipment standards for fit and function. It includes all necessary O-rings and sealing washers to ensure a secure and leak-free installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards to support reliable HVAC system performance.