Four Seasons 3572NK A/C Compressor and Component Kit

Complete A/C Kit for Ram HD Trucks

Restore the air conditioning system on select Dodge Ram 2500 and Ram 3500 trucks with this Four Seasons Complete A/C Kit. Part number 3572NK includes the major service components needed for a full compressor-side repair, with fitment for 1994-1997 Ram HD applications using SD7H15, U4770, or U4775 compressor setups.

• Four Seasons Complete A/C Kit, part number 3572NK
• Includes a new compressor, accumulator, orifice tube, oil, and O-rings
• Uses PAG Oil /100 and R134a refrigerant
• Orifice tube style: standard, purple, .062 in. diameter
• Accumulator features male springlock inlet and outlet fittings
• Gaskets and seals included
• Limited lifetime warranty

Product Line Details

Four Seasons Complete A/C Kit products are built as system-focused repair packages for air conditioning service work. This kit is organized around the compressor, accumulator, and metering device so technicians can address common wear points in one repair path instead of replacing only a single component.

Detailed Description

This Four Seasons 3572NK A/C compressor kit is made for 1994-1997 Dodge Ram 2500 and 1994-1997 Dodge Ram 3500 trucks with SD7H15, U4770, or U4775 compressor applications. It is a complete air conditioning kit with a new compressor, accumulator, purple standard orifice tube, PAG oil, and O-rings. The accumulator measures 3.500 inches in diameter and 8.000 inches in length, with 0.625-inch male springlock inlet and outlet fittings. The kit is configured for R134a refrigerant service.

This part cross-references 520316 for the same application.

What It Helps Fix

• Loss of cooling performance in the cab
• Compressor noise or compressor failure
• Restricted refrigerant flow through the metering device
• Moisture or contamination issues in the A/C system
• Leaking seals or O-rings at service connections

Installation Notes and Tips

Before installation, verify compressor style and connector/fitting match the vehicle’s existing A/C system. Replace the accumulator and orifice tube during service, and flush the system as needed to remove debris from a failed compressor. Confirm the correct refrigerant charge and oil balance for the vehicle after assembly. Fits 1994-1997 Dodge Ram 2500 and Fits 1994-1997 Dodge Ram 3500, N/A.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. Part number 3572NK is built as a complete repair solution for Ram HD A/C service, with the core components and seals needed for a proper compressor replacement.