Four Seasons 1578NK A/C Compressor and Component Kit

Overview of Four Seasons Complete A/C Kit 1578NK

The Four Seasons Complete A/C Kit 1578NK is designed to restore the air conditioning system in Chevrolet and GMC trucks and SUVs. This comprehensive kit includes a new compressor and all necessary components to ensure efficient cooling performance for models like the Chevrolet Blazer, C1500, and GMC Yukon.

• Includes new compressor (part 58948) and accumulator (part 33150)
• Compressor oil included: PAG oil /150
• Standard black orifice tube with 0.072 inch diameter
• Receiver drier/accumulator with 3.5 inch diameter and 9 inch length
• Female o-ring inlet and male insert o-ring outlet fittings (0.75 inch / 19.05 mm)
• Compatible with R134a refrigerant
• Includes gaskets and seals for proper installation
• Limited lifetime warranty

About the Four Seasons Complete A/C Kit Product Line

The Complete A/C Kit line from Four Seasons provides a full set of components required for a reliable air conditioning system replacement. This kit includes a new compressor along with essential parts such as the accumulator, orifice tube, and compressor oil. Designed to simplify repairs, the Complete A/C Kit 1578NK ensures compatibility and proper fitment for Chevrolet and GMC vehicles, reducing the need to source individual parts separately.

Detailed Product Description

This A/C compressor kit is engineered for Chevrolet and GMC trucks and SUVs including the Blazer, C35, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, and Yukon models. The kit features a new compressor (part number 58948) pre-filled with PAG oil /150 to ensure optimal lubrication and performance. The included orifice tube is a standard black style with a precise 0.072 inch diameter, designed to regulate refrigerant flow effectively. The receiver drier/accumulator measures 3.5 inches in diameter and 9 inches in length, with inlet and outlet fittings sized at 0.75 inches (19.05 mm) featuring female o-ring and male insert o-ring types respectively. This kit is compatible with R134a refrigerant systems and includes all necessary gaskets and seals to maintain system integrity during installation.

Common Applications and Issues Addressed

• Replacement of worn or failed A/C compressors in Chevrolet and GMC trucks and SUVs
• Resolving low or no cooling performance due to compressor failure
• Fixing refrigerant leaks caused by damaged seals or gaskets
• Restoring proper refrigerant flow with a new orifice tube
• Eliminating moisture and contaminants with a new receiver drier/accumulator

Installation Notes and Tips

• Ensure system is fully evacuated and flushed before installation
• Use the included PAG oil /150 to refill the compressor as specified
• Verify correct orientation and secure fitting of orifice tube and accumulator
• Check all gaskets and seals for proper placement to prevent leaks
• Recharge system with R134a refrigerant following manufacturer guidelines

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 1578NK is backed by a limited lifetime warranty, providing assurance of its durability and performance. Each component is manufactured to meet or exceed OEM specifications, ensuring reliable operation in Chevrolet and GMC vehicles. This kit is designed to deliver consistent cooling performance and long service life when installed according to recommended procedures.