Global Parts 3411999 A/C Expansion Valve - Rear

Rear A/C Expansion Valve for Mazda CX-9

Restore proper refrigerant control in the rear HVAC circuit with Global Parts 3411999 A/C expansion valve. This replacement part is built for the rear system on select Mazda CX-9 models and supports consistent refrigerant metering at the evaporator.

Compatible with 2016-2020 Mazda CX-9 rear applications, this Global Parts valve is a direct-fit service part for the rear air conditioning system. Part number 3411999 is also referenced for related service lookups and catalog matching.

Key Features

• Global Parts A/C expansion valve for rear HVAC service
• Fits 2016-2020 Mazda CX-9, rear
• Helps regulate refrigerant flow into the rear evaporator
• OE-style replacement for HVAC repair and maintenance
• Cross-references Four Seasons 39630 and UAC EX10684C for the same application

Product Details

The expansion valve is a critical control point in the air conditioning system, managing refrigerant flow based on system demand. On the Mazda CX-9 rear HVAC circuit, proper valve operation helps maintain stable cooling performance and supports balanced evaporator operation. Global Parts 3411999 is cataloged for 2016, 2017, 2018, 2019, and 2020 Mazda CX-9 rear fitment.

Common Repair Issues

• Weak or inconsistent rear A/C cooling
• Refrigerant flow restriction at the rear evaporator
• Temperature fluctuation from the rear vents
• HVAC performance loss after A/C system service
• Fault tracing in a rear climate control repair

Installation Notes

Verify the vehicle’s rear HVAC configuration before installation and compare the original valve to the replacement part number 3411999. Proper A/C service procedures, including evacuation and recharge, are required after component replacement. Inspect related seals, lines, and the rear evaporator for contamination or damage during repair.

Quality Assurance

Global Parts supplies replacement HVAC components for service applications where accurate fitment matters. This part is listed for direct replacement use on the specified Mazda CX-9 rear applications.