Four Seasons 68550 A/C Compressor

Four Seasons 68550 A/C Compressor Overview

The Four Seasons New Compressor 68550 is a new A/C compressor assembly for R134a systems using PAG 100 oil. It includes the clutch and oil fill, and it is built as an SD709, Sanden/Sankyo-style unit with a 12-volt coil and serpentine belt pulley setup.

Compatible With 1996-2002 Dodge Dakota and 1997-2001 Jeep Cherokee, 1997-1999 Jeep TJ, and 1997-1999 Jeep Wrangler applications that use an SD709 compressor. The Four Seasons 68550 is a direct-fit replacement for vehicles needing a new compressor with clutch.

Key Features

• New A/C compressor, not remanufactured
• Refrigerant type: R134a
• Compatible refrigerant oil: PAG 100
• Oil filled: included
• Clutch included
• Compressor type: SD709
• 12-volt coil with pin terminal type
• 6-groove serpentine pulley
• Tangent mount design
• Rear-vertical pad sealing washer head configuration
• O-ring suction and discharge ports

Product Details

Four Seasons 68550 is part of the New Compressor line, which focuses on replacement compressors built for specific OE-style applications. This unit uses a Sanden/Sankyo type design with a GH compressor head, rear-vertical pad sealing washer port configuration, and a 4.750-inch clutch diameter. It is specified for R134a refrigerant systems and comes oil filled with PAG 100, helping simplify service preparation during compressor replacement.

This part cross-references UAC CO4691C and Delphi CS20142 for the same application. The Four Seasons 68550 part number is also commonly searched as a replacement A/C compressor for Jeep Wrangler, Jeep TJ, Jeep Cherokee, and Dodge Dakota models with SD709 compressor setups.

Common Problems This Part Can Address

• Loss of cabin cooling from a worn or seized compressor
• Noise from a failing compressor clutch or internal compressor wear
• Refrigerant leakage at the compressor ports or sealing surfaces
• Weak A/C performance caused by compressor inefficiency
• System downtime after compressor failure in R134a-equipped vehicles

Installation Notes

Verify the vehicle uses an SD709 compressor and matches the port, mount, pulley, and clutch specifications before installation. Confirm the system is set up for R134a refrigerant and PAG 100 oil, and replace the required sealing washers or O-rings during service. Mounting hardware is not included, so reuse or source the correct hardware as needed. Proper evacuation, leak checking, and recharge procedures are required after installation.

Quality Assurance

Four Seasons New Compressor components are cataloged for application-specific replacement use, with the 68550 built to match the listed compressor style and connection details for the covered Dodge and Jeep applications.