Four Seasons 1759NK A/C Compressor and Component Kit

Complete A/C Kit for HD6 Applications

Restore cooling performance with the Four Seasons Complete A/C Kit, part number 1759NK. This complete air conditioning kit with new compressor is built for R134a systems and is listed for 1994-1996 Buick Roadmaster, Cadillac Fleetwood, Chevrolet Caprice, and Chevrolet Impala applications with an HD6 compressor.

The Four Seasons Complete A/C Kit line brings together the major components needed for a full compressor-side service in one package. For buyers searching for a 1994-1996 Chevrolet Caprice A/C compressor kit, 1994-1996 Buick Roadmaster air conditioning compressor replacement, or a 1994-1996 Cadillac Fleetwood complete A/C kit, 1759NK provides the matched parts specified for these vehicles.

Key Features

• Complete air conditioning kit with new compressor
• Includes compressor oil with PAG Oil /150
• Uses R134a refrigerant type
• Includes orifice tube, accumulator, O-rings, and seals
• Orifice tube: 0.072 in., black, standard style
• Accumulator: 3.500 in. diameter, 8.000 in. length
• Accumulator inlet: female O-ring; outlet: male insert O-ring
• Limited lifetime warranty

Product Details

Part number 1759NK includes the new compressor, accumulator, orifice tube, compressor oil, and O-rings needed for the listed HD6 compressor applications. The compressor oil is included and specified as PAG Oil /150, and the system is set up for R134a refrigerant service. The orifice tube is a black, standard-style unit with a 0.072-inch diameter, while the accumulator is built with the listed inlet and outlet fitting types for the application.

This Four Seasons 1759NK kit is a direct-fit service solution for 1994-1996 Buick Roadmaster, Cadillac Commercial Chassis, Cadillac Fleetwood, Chevrolet Caprice, and Chevrolet Impala models, plus 1994 Chevrolet Commercial Chassis applications noted with HD6 compressor equipment. It is a practical choice when replacing worn A/C compressor components and related refrigerant circuit parts at the same time.

This part cross-references 520189 and MK1173 for the same application.

Common Problems This Kit Can Address

• Weak or inconsistent cabin cooling
• Noisy or failing A/C compressor operation
• Restricted refrigerant flow through a worn orifice tube
• Loss of system efficiency from aged accumulator components
• Leaks at disturbed A/C seals and O-ring connections

Installation Notes and Tips

Verify HD6 compressor fitment before ordering and match the vehicle’s refrigerant service requirements to R134a. Replace the accumulator, orifice tube, and O-rings during compressor service to help reduce contamination from old components. Follow proper evacuation, oil balancing, and recharge procedures after installation.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The Complete A/C Kit line is organized to provide the major matched components needed for the listed applications in one service package.