Four Seasons 38907 A/C Expansion Valve - Rear

Reliable A/C Expansion Valve for Chevrolet and GMC Vehicles

The Four Seasons Expansion Valve 38907 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered for compatibility with select Chevrolet and GMC models, this brass TXV valve ensures proper cooling performance with R134a refrigerant.

• Constructed from durable brass for long-lasting use
• Designed for R134a refrigerant systems
• TXV (Thermostatic Expansion Valve) type for precise refrigerant control
• Compatible with Chevrolet Blazer, C1500 Suburban, C2500 Suburban, Jimmy, K1500 Suburban, K2500 Suburban, Suburban 1500, Tahoe, and GMC Yukon
• OEM-quality fitment with part number 38907

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line from Four Seasons focuses on delivering reliable A/C flow restrictors that maintain optimal refrigerant metering. This line includes thermostatic expansion valves (TXV) like part number 38907, which are engineered to work seamlessly with R134a refrigerant systems in various GM trucks and SUVs. These valves help regulate refrigerant flow to the evaporator, ensuring consistent cabin cooling performance.

Product Details and Specifications

The Four Seasons 38907 expansion valve is a thermostatic expansion valve (TXV) made from brass, designed specifically for R134a refrigerant systems. Its construction allows for precise control of refrigerant flow, which is critical for maintaining the efficiency and reliability of your vehicle’s air conditioning system. This valve is compatible with a range of Chevrolet and GMC models, including the Blazer, C1500 and C2500 Suburban, Jimmy, K1500 and K2500 Suburban, Suburban 1500, Tahoe, and Yukon.

Common Applications and Issues Addressed

• Regulates refrigerant flow to prevent evaporator freezing
• Maintains consistent cabin temperature control
• Prevents A/C system pressure imbalances
• Addresses issues with insufficient cooling or fluctuating temperatures
• Replaces faulty or worn expansion valves in compatible GM trucks and SUVs

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 38907, ensure the A/C system is properly evacuated and recharged with R134a refrigerant. Verify compatibility with your specific Chevrolet or GMC model before installation. Proper handling of the brass valve and careful connection to the refrigerant lines will help avoid leaks and ensure optimal performance.

Quality Assurance and Warranty

Four Seasons expansion valves are manufactured to meet or exceed OEM standards for fit and function. Part number 38907 undergoes quality checks to ensure durability and reliable operation within the specified vehicle applications. Please refer to Four Seasons’ warranty policy for coverage details.