Four Seasons 8003NK A/C Compressor and Component Kit - Front and Rear

Complete A/C Kit for GM Full-Size SUVs

Four Seasons 8003NK is a complete air conditioning kit with a new compressor for select GM full-size SUVs. It combines the major A/C service components needed for a front and rear HVAC repair, including the compressor, accumulator, orifice tube, expansion valve, oil, and O-rings.

This Complete A/C Kit line from Four Seasons is built for direct-fit HVAC service on vehicles using an R134a system and a 10S20F compressor configuration. The 8003NK part number is a practical choice when replacing worn A/C components on Cadillac Escalade ESV, Chevrolet Suburban, and GMC Yukon XL applications.

Key Features

• Complete Air Conditioning Kit with new compressor
• Includes compressor oil and O-rings
• Uses R134a refrigerant type
• Orifice tube system with black standard orifice tube
• Receiver drier/accumulator with P-nut inlet and outlet fittings
• Limited Lifetime warranty
• Four Seasons 8003NK replacement part for select front and rear HVAC systems

Detailed Product Description

Four Seasons 8003NK is a Complete A/C Kit designed around the needs of select 2003-2006 GM SUVs with front and rear air conditioning. The kit includes 78377 new compressor, 83221 accumulator, 38638 orifice tube, 39136 expansion valve, 59007 oil, and O-rings. It is specified for R134a refrigerant systems and uses a standard black orifice tube with a 0.072 in. orifice diameter. The accumulator measures 3.500 in. in diameter and 9.000 in. in length with P-nut inlet and outlet fittings.

Compatible vehicle applications include 2006 Cadillac Escalade ESV, 2003-2006 Chevrolet Suburban 1500, 2003-2006 Chevrolet Suburban 2500, 2003-2006 GMC Yukon XL 1500, 2003-2006 GMC Yukon XL 2500, and 2003-2005 Cadillac Escalade ESV. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common A/C Problems This Kit Addresses

• Loss of cooling from a worn or failed compressor
• Restricted refrigerant flow from a damaged or incorrect orifice tube
• Moisture control issues related to an aging accumulator
• System leaks at seals and O-rings
• Poor A/C performance in front and rear HVAC circuits

Installation Notes and Tips

Verify compressor style, refrigerant type, and fitting configuration before installation. This kit is listed for vehicles with a 10S20F compressor and front and rear HVAC layout, so matching the original system details is important for proper service. Replace the accumulator, orifice tube, expansion valve, oil, and seals during the repair to restore the system with the supplied components.

Quality Assurance

Four Seasons backs this 8003NK Complete A/C Kit with a Limited Lifetime warranty. The kit is built for service on confirmed applications and supports a complete compressor replacement on select Cadillac Escalade ESV, Chevrolet Suburban, and GMC Yukon XL models.