Four Seasons 3335NK A/C Compressor Kit

Complete A/C Kit for Jeep Wrangler

Restore cooling performance on 1987-1990 Jeep Wrangler models with Four Seasons Complete A/C Kit 3335NK. This complete air conditioning kit includes the major replacement components needed for a service repair on vehicles equipped with an SD508 compressor and dealer air, including R134a refrigerant system compatibility.

Four Seasons Complete A/C Kit 3335NK is built around a new compressor and matched service components to support a proper A/C repair on Jeep Wrangler applications. The kit includes PAG oil, O-rings, a filter drier, and a block-type expansion valve with O-ring inlet and outlet connections.

Key Features

• Fits 1987-1990 Jeep Wrangler, N/A
• Complete air conditioning kit with new compressor
• Includes compressor oil: PAG Oil /100
• R134a refrigerant system application
• Block-type expansion device with O-ring inlet and outlet
• Gaskets and seals included
• Limited lifetime warranty
• Four Seasons part number 3335NK

Product Details

This Four Seasons Complete A/C Kit is designed for Jeep Wrangler models from 1987 through 1990 with an SD508 compressor and dealer air. It combines the compressor, filter drier, expansion valve, oil, and O-rings into one service package to support a full A/C system repair. The kit is intended for R134a refrigerant systems and uses male insert O-ring fittings on the receiver drier/accumulator connections. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Four Seasons 3335NK is a direct-fit service solution for Wrangler owners replacing worn A/C components on the same vehicle platform.

Common Problems This Kit Can Address

• Weak or inconsistent cabin cooling
• Compressor noise or compressor failure
• Restricted refrigerant flow through the expansion valve
• Moisture or contamination in the A/C system
• Loss of system efficiency after component wear

Installation Notes

• Verify vehicle configuration before ordering: 1987-1990 Jeep Wrangler with SD508 compressor and dealer air.
• Replace the receiver drier and expansion valve during compressor service to help support proper system operation.
• Use the specified PAG oil and confirm refrigerant system cleanliness before charging.
• Inspect O-ring sealing surfaces and fittings during installation.
• Follow factory service procedures for evacuation, leak checking, and recharge.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. Part number 3335NK is engineered as a complete A/C service package for Jeep Wrangler applications and includes the matched components listed for the repair.