Four Seasons 38846 A/C Compressor Control Valve

Four Seasons 38846 A/C Compressor Control Valve

Restore proper compressor regulation with the Four Seasons Compr. Control Valve, part number 38846. This A/C compressor control valve is built for R134a systems and is a direct repair part for many GM vehicles using the V5 compressor, including Chevrolet Cavalier, Pontiac Sunbird, and Buick Century applications.

Key Features

• Compressor control valve for POA, EPR, and STV valve applications
• Made from aluminum for HVAC service use
• O-rings included for a cleaner repair process
• Meets or exceeds OEM requirements
• Designed for R134a refrigerant systems
• Repair part style for compressor control service

Product Details

The Four Seasons Compr. Control Valve line is focused on compressor regulation service, making it a practical choice when the original valve is worn, sticking, or no longer controlling refrigerant flow correctly. Part number 38846 is used in a wide range of retrofit and service applications on V5 compressor systems, including 1985-1994 Chevrolet Cavalier, 1986-1993 Buick Century, and 1986-1991 Pontiac 6000 models. This part cross-references UAC EX0853C for the same application.

Compatible With many GM A/C systems that were converted or serviced for R134a, this valve supports compressor control in vehicles such as Chevrolet Corsica, Pontiac Grand Prix, Oldsmobile Cutlass Ciera, and GMC Sonoma. The aluminum construction and included O-rings help support a precise replacement during compressor repair.

What This Part Helps Fix

• Weak or inconsistent A/C cooling from poor compressor control
• Compressor cycling problems tied to a worn control valve
• Loss of refrigerant regulation in R134a retrofit systems
• HVAC performance issues on V5 compressor-equipped vehicles
• Service failures caused by sticking or damaged internal valve components

Installation Notes and Tips

• Verify compressor type before ordering; this part is for V5 compressor applications noted in the fitment data.
• Confirm the vehicle’s refrigerant setup is R134a or a documented retrofit to R134a.
• Inspect the compressor and system for contamination before installing the new valve.
• Replace sealing components as needed and follow proper evacuation and recharge procedures after service.
• Match the exact vehicle notes, including pulley, rear A/C, and mounting-ear details where listed.

Quality Assurance

Four Seasons lists this compressor control valve as meeting or exceeding OEM requirements. The part is built as a repair component for service-focused HVAC work and is backed by Four Seasons product engineering standards.