Four Seasons 56639 A/C Suction and Liquid Line Hose Assembly

Overview of Four Seasons Hose Assembly 56639

The Four Seasons Hose Assembly 56639 is designed specifically for Buick and Chevrolet models including the LaCrosse, Malibu, and Regal. This A/C suction and liquid line hose assembly ensures reliable performance in your vehicle's HVAC system by maintaining proper refrigerant flow and pressure.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134-a refrigerant systems
• Includes gaskets, seals, and fittings for complete installation
• Features both high and low-pressure service ports with switch service port included
• Comes with a mounting bracket and manifold for proper support
• Includes slimline washers and O-rings for leak prevention
• OE replacement part ensuring direct fit and function

Detailed Product Description

The Four Seasons Hose Assembly 56639 is engineered to meet the exact specifications of your Buick LaCrosse, Chevrolet Malibu, or Regal HVAC system. This hose assembly combines aluminum and rubber materials to provide durability and flexibility under varying temperature and pressure conditions. Both ends feature P-nut fittings, facilitating a secure and leak-resistant connection to the vehicle’s A/C system. Designed for use with R134-a refrigerant, this assembly supports both high and low-pressure sides of the system, including two service ports (13mm and 16mm) for maintenance and diagnostics. The included gaskets, slimline washers, and O-rings ensure a tight seal, reducing the risk of refrigerant leaks. Additionally, the assembly comes with a bracket and manifold to maintain proper positioning and stability within the engine bay.

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on providing complete hose solutions for automotive HVAC systems. These assemblies are designed to replace original equipment parts with exact fit and function, simplifying repairs and ensuring system integrity. The Hose Assembly line includes all necessary fittings, seals, and mounting hardware, making it a comprehensive option for servicing A/C suction and liquid lines in compatible vehicles.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction and liquid line hoses
• Resolution of refrigerant leaks caused by cracked or deteriorated hoses
• Restoration of proper refrigerant flow and system pressure
• Elimination of poor A/C performance due to faulty hose assemblies
• Repair of HVAC system components in Buick LaCrosse, Chevrolet Malibu, and Regal models

Installation Notes and Tips

• Ensure system is fully depressurized before removal of old hose assembly
• Verify compatibility with vehicle make and model prior to installation
• Use included gaskets and O-rings to prevent leaks
• Tighten P-nut fittings to manufacturer torque specifications
• Inspect mounting bracket and manifold for secure fitment

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56639 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. This part includes all necessary seals and fittings to provide a complete and leak-free installation. Warranty coverage details should be confirmed with the product documentation or manufacturer.