Four Seasons 39207 A/C Expansion Valve - Rear

Four Seasons 39207 Expansion Valve Overview

The Four Seasons 39207 A/C expansion valve is a brass TXV built for R134A systems. It meters refrigerant flow to help maintain proper evaporator performance in rear HVAC applications on select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models.

Key Features

• Brand: Four Seasons Expansion Valve
• Part number: 39207
• Brass construction
• TXV design for refrigerant metering
• Refrigerant type: R134A
• Rear HVAC application

Product Details

Four Seasons 39207 is an A/C expansion valve for rear climate control systems. As a TXV, it regulates refrigerant entering the evaporator so the HVAC system can maintain stable cooling performance. The brass body supports use in R134A-equipped systems and makes this valve a direct service part for rear A/C repair on 1997-2000 Chevrolet Tahoe, 1997-2000 GMC Yukon, and 1999-2000 Cadillac Escalade models. This part cross-references UAC (e.g., EX5668C, EX5681C) for the same application.

Vehicle Fitment

• Fits 1999-2000 Cadillac Escalade, Rear
• Fits 1997-2000 Chevrolet Tahoe, Rear
• Fits 1997-2000 GMC Yukon, Rear

Common Repair Uses

• Weak or inconsistent rear A/C cooling
• Incorrect refrigerant metering at the evaporator
• Rear HVAC performance loss after system service
• Expansion valve restriction or internal wear
• R134A rear air conditioning repair on GM SUVs

Installation Notes and Tips

Verify the vehicle uses a rear TXV-style expansion valve and R134A refrigerant before installation. Inspect the A/C system for contamination, leaks, and proper refrigerant charge, and replace any damaged seals or related components as needed during service. Confirm the valve orientation and line routing match the original rear HVAC layout on the vehicle.

Quality Assurance

Four Seasons supplies HVAC service parts for automotive air conditioning repairs, and this expansion valve is built to match the specified application and refrigerant type for accurate replacement service.