Four Seasons 56158 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 56158

The Four Seasons Hose Assembly 56158 is designed for reliable HVAC performance in select Buick, Oldsmobile, and Pontiac vehicles. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for models like the Buick LeSabre, Oldsmobile 88 and 98, Pontiac Bonneville, and Park Avenue.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green o-rings and sealing washer for secure connections
• Features a manifold and muffler for noise reduction and system efficiency
• Equipped with a service port and switch service port for easy maintenance
• Discharge and suction ends with dual female o-ring style fittings
• OE replacement part ensuring proper fitment and performance

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering complete A/C refrigerant hose solutions that combine both discharge and suction lines in one assembly. This approach simplifies installation and maintenance by providing a pre-assembled unit that includes essential components such as o-rings, sealing washers, and service ports. The 56158 part number exemplifies this line by integrating a manifold and muffler, enhancing system durability and noise control for compatible vehicles.

Detailed Product Description

This hose assembly is constructed with a combination of aluminum and rubber to withstand the pressures and temperatures typical in automotive air conditioning systems. It is specifically designed for R134a refrigerant, the standard for many late-model vehicles. The assembly includes multiple green o-rings ([24612], [24606], [24608]) and a sealing washer ([24354]) to ensure leak-free connections at both discharge and suction ends, which feature dual female o-ring fittings. The inclusion of a manifold and muffler helps reduce vibration and noise, contributing to a quieter HVAC operation. While fittings are not included, the assembly comes with a service port and a switch service port to facilitate system diagnostics and servicing.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant hoses in Buick LeSabre, Oldsmobile 88/98, Pontiac Bonneville, and Park Avenue
• Resolving refrigerant leaks caused by damaged o-rings or seals
• Addressing noise and vibration issues in the HVAC system with the integrated muffler
• Improving system serviceability with included service ports
• Restoring proper refrigerant flow and pressure for efficient cooling

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Inspect and replace all o-rings and sealing washers included with the assembly to prevent leaks
• Use proper tools to connect dual female o-ring fittings securely
• Verify the presence of the service port and switch service port for maintenance access
• Check for proper routing and secure mounting, noting that this assembly does not include a bracket

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56158 is an OE replacement part manufactured to meet or exceed original equipment standards. It undergoes rigorous quality control to ensure durability and reliable performance in HVAC systems. The product includes all necessary sealing components to maintain system integrity. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.