Four Seasons 98594 A/C Compressor

Four Seasons 98594 New A/C Compressor

The Four Seasons 98594 is a new A/C compressor built for R134a systems and filled with PAG 100 oil. It uses an SD7H15 compressor design with a 12-volt coil, Packard terminal, and included clutch assembly for service on vehicles that require this configuration.

Key Features

• New Four Seasons New Compressor line unit, part number 98594
• Designed for R134a refrigerant with PAG 100 oil included
• SD7H15 compressor type with 12V coil and 1-wire lead
• Included clutch with 5.1875 in. maximum diameter
• Serpentine belt pulley with 2 grooves
• Tangent mount design with O-ring suction and discharge ports
• WV compressor head type and Packard terminal connection
• Includes O-rings: [24632] green O-ring and [214C70] O-ring

Detailed Description

Four Seasons 98594 is a new Sanden/Sankyo-style A/C compressor for HVAC systems that use R134a refrigerant and PAG 100 oil. The compressor comes oil filled and includes the clutch, making it a direct replacement choice for service work where the original unit uses an SD7H15 layout, tangent mount, and O-ring port connections. This part number is commonly searched for vehicle HVAC repair on applications such as Ford F-150 and Chevrolet Silverado, especially when the original compressor shows wear, noise, or loss of cooling performance. Four Seasons 98594 also cross-references Dorman - First Stop 5382 for the same application.

What This Compressor Helps Address

• No cold air from the vents
• Compressor noise, seizure, or internal wear
• Refrigerant leaks at O-ring port connections
• Clutch engagement problems
• Reduced A/C performance in R134a systems

Installation Notes and Tips

Verify compressor type, pulley groove count, mounting style, and port configuration before installation. This unit uses a serpentine belt pulley with 2 grooves, Packard terminal, and tangent mount design. Replace the specified O-rings during service, confirm the system is set up for PAG 100 oil, and evacuate and recharge the A/C system to the correct specification after installation. Mounting hardware is not included.

Quality Assurance

Four Seasons supplies HVAC replacement components for professional repair use, and this new compressor is built to match the listed compressor type, electrical connection, and refrigerant requirements for the application.