Four Seasons 56428 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 56428

The Four Seasons Hose Assembly 56428 is designed for reliable HVAC performance in select Buick and Chevrolet 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 Century, Chevrolet Impala, and Monte Carlo.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes sealing washers and multiple O-rings for leak prevention
• Features P-nut fittings on both discharge and suction ends
• OE replacement part without included fittings, brackets, or mufflers

Detailed Product Features and Specifications

This Four Seasons Hose Assembly belongs to the Hose Assembly product line, which focuses on delivering precise HVAC hose and pipe solutions for automotive air conditioning systems. The 56428 part number specifically addresses the needs of vehicles requiring a combined discharge and suction line with manifold integration. Made from aluminum and rubber, this hose assembly is built to withstand the pressures and temperatures typical of R134a refrigerant systems.

The assembly includes essential sealing components such as two sealing washers (part number 24354) and multiple green O-rings (part numbers 24642 and 24628) to ensure a secure, leak-free connection. Both the discharge and suction ends utilize P-nut fittings, facilitating straightforward installation and compatibility with original equipment manifolds. This hose assembly does not include fittings, brackets, mufflers, or service ports, aligning with the original equipment design for Buick Century, Chevrolet Impala, and Monte Carlo models.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge and suction hoses
• Resolving refrigerant leaks caused by degraded seals or O-rings
• Restoring proper refrigerant flow in Buick Century, Chevrolet Impala, and Monte Carlo HVAC systems
• Addressing issues related to hose assembly failure without service ports or mufflers
• Maintaining system integrity in R134a refrigerant applications

Installation Notes and Tips

• Ensure compatibility with Buick Century, Chevrolet Impala, or Monte Carlo models before installation
• Verify that all included O-rings and sealing washers are properly seated to prevent leaks
• Use appropriate tools for tightening P-nut fittings to avoid damage
• Inspect the manifold and surrounding components for wear during replacement
• Do not attempt to install fittings, brackets, or mufflers as they are not included with this assembly

Quality Assurance and Warranty Information

The Four Seasons Hose Assembly 56428 is an OE replacement part manufactured to meet strict quality standards for durability and performance. It includes all necessary sealing components to ensure a reliable fit and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship when installed according to manufacturer guidelines.