Four Seasons 39046 A/C Expansion Valve - Front

Four Seasons 39046 Expansion Valve Overview

Four Seasons 39046 is a block-type A/C expansion valve for R134A systems, built in aluminum for consistent refrigerant metering and OE-style service replacement. It is specified for the front A/C system on 2001-2003 Dodge Durango applications and meets or exceeds OEM requirements.

The Four Seasons Expansion Valve line focuses on accurate refrigerant flow control for automotive HVAC systems. This 39046 valve is a direct-fit style component for R134A service, with female suction and liquid connections, no solenoid, and a super heat setting of 2.500 for the listed application.

• Part number: 39046
• Block-type A/C expansion valve
• Aluminum construction and aluminum finish
• R134A refrigerant type
• Female suction inlet and outlet fittings
• Female liquid inlet and outlet fittings
• Mounting hole quantity: 2
• Meets or exceeds OEM specifications
• OE cross-reference applications include UAC EX529449C and Pioneer Automotive Industries 759046

Detailed Product Description

This Four Seasons 39046 expansion valve regulates refrigerant flow into the evaporator to maintain proper A/C performance in the front HVAC circuit. It is a block-style valve with insert O-ring and gasket sealing interfaces, No. 12 suction connections, and No. 8 liquid connections, making it a precise service part for the 2001-2003 Dodge Durango, front. The valve is listed for R134A systems and is engineered to match the original equipment fit and function expected in automotive air conditioning repair.

Fits 2001-2003 Dodge Durango, front. Fits 2001-2003 Dodge Durango, front A/C expansion valve application. Fits 2001-2003 Dodge Durango, front HVAC service where the original expansion valve is being replaced.

What This Part Helps Address

• Weak or inconsistent cabin cooling
• Incorrect refrigerant metering at the evaporator
• A/C performance issues caused by a worn expansion valve
• Front HVAC temperature control problems on the Dodge Durango
• Service replacement for an OE-style R134A expansion valve

Installation Notes and Tips

Verify the vehicle uses an R134A system and confirm the front mounting location before installation. Inspect the mating surfaces, O-rings, and gasket interfaces for wear or contamination, and replace any damaged sealing components during service. Confirm the suction and liquid connection sizes match the original part before assembly.

For best results, evacuate and recharge the A/C system according to factory service procedures after replacement. Part number 39046 should be matched to the listed 2001-2003 Dodge Durango front application before ordering or installation.

Quality Assurance

Four Seasons lists this expansion valve as meeting or exceeding OEM requirements. The part is built for automotive HVAC service and is supported by OE-style interchange references, including UAC EX529449C and Pioneer Automotive Industries 759046 for the same application.