Four Seasons 2151NK A/C Compressor and Component Kit

Reliable A/C Compressor Kit for Buick, Chevrolet, Oldsmobile, and Pontiac

The Four Seasons Complete A/C Kit 2151NK provides a comprehensive solution for restoring air conditioning performance in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed to include all essential components, this kit simplifies the replacement process and ensures compatibility with vehicles like the Bonneville, Cutlass, El Camino, Grand Prix, Monte Carlo, and Regal.

• Includes new compressor (part 58231), accumulator (33185), orifice tube (38623), and compressor oil (59003)
• Compressor oil type: PAG oil /150 for optimal lubrication
• Expansion device: standard white orifice tube with 0.072 inch diameter
• Receiver drier/accumulator dimensions: 3.5 inch diameter, 9 inch length
• Fittings: female and male insert o-ring types, 0.75 inch (19.05 mm) inlet and outlet sizes
• Compatible with R134a refrigerant systems
• Limited lifetime warranty for long-term reliability

About the Four Seasons Complete A/C Kit Product Line

The Complete A/C Kit line from Four Seasons is engineered to provide a full replacement package for automotive air conditioning systems. This kit includes a new compressor along with critical components such as the accumulator and orifice tube, all pre-matched to work together. By supplying the correct compressor oil and expansion device, the Complete A/C Kit ensures proper system function and reduces installation complexity for technicians working on compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

Detailed Product Description

The Four Seasons 2151NK kit is designed specifically for vehicles equipped with R134a refrigerant systems. It features a new compressor (part 58231) pre-filled with PAG oil /150, which is included to maintain proper lubrication and extend compressor life. The kit also contains a white standard orifice tube with a 0.072 inch diameter, which regulates refrigerant flow for efficient cooling. 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 and male insert o-ring types to ensure secure connections. This kit is compatible with models such as the Buick Regal, Chevrolet Monte Carlo, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and others, making it a practical choice for restoring A/C system performance.

Common Applications and Issues Addressed

• Replacement of worn or failed A/C compressors in Buick, Chevrolet, Oldsmobile, and Pontiac vehicles
• Resolving low cooling efficiency due to compressor or accumulator failure
• Fixing refrigerant leaks caused by damaged orifice tubes or fittings
• Eliminating compressor noise or clutch engagement problems
• Restoring proper refrigerant flow and system pressure balance

Installation Notes and Tips

• Ensure system is fully evacuated and flushed before installation to prevent contamination
• Use the included PAG oil /150 compressor oil to maintain lubrication standards
• Verify correct orifice tube orientation and secure fittings with proper torque
• Check for leaks after installation using appropriate detection methods
• Recharge the system with R134a refrigerant according to manufacturer specifications

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 2151NK is backed by a limited lifetime warranty, reflecting the brand's commitment to quality and durability. Each component is manufactured to meet or exceed OEM standards, ensuring reliable performance and compatibility with specified Buick, Chevrolet, Oldsmobile, and Pontiac models. This warranty provides added confidence for professional installers and vehicle owners seeking a dependable A/C system repair solution.