Dorman 902-052 HVAC Heater Control Valve

Dorman 902-052 HVAC Heater Control Valve

The Dorman 902-052 HVAC heater control valve is an OE-style replacement for vehicles that need restored coolant flow through the heater core. It is built to match the original fit and function on select Nissan Armada and INFINITI QX56 applications, helping regulate cabin heat through electric valve operation.

With a plastic housing, EPDM and nylon construction, and a rectangular female connector, this heater control valve is built for direct replacement on the inlet side of the heater circuit. The Dorman 902-052 is a specific-fit part for 2006-2015 Nissan Armada and 2007-2010 INFINITI QX56 models.

Key Features

• HVAC heater control valve assembly for cabin heat regulation
• Electric valve operation for controlled coolant flow
• Specific-fit design for select Nissan Armada and INFINITI QX56 vehicles
• Plastic housing with EPDM and nylon materials
• Rectangular female connector with 2 terminals
• OE-style replacement for the original valve assembly
• Inlet-side application for the heater circuit

Detailed Description

This heater control valve is engineered to replace a failed original unit and restore proper hot coolant routing to the heater core. By controlling coolant flow, it helps the HVAC system deliver and regulate heat inside the cabin. The Dorman 902-052 is a direct-fit solution for 2006-2015 Nissan Armada and 2007-2010 INFINITI QX56 models, making it a practical choice when diagnosing heater output concerns on these vehicles. This part cross-references OE numbers 92400ZC300 and 92400ZW00A for the same application.

Common Issues This Part May Address

• No cabin heat or reduced heater output
• Heat that stays on continuously
• Coolant flow problems through the heater core
• Faulty electric heater valve operation
• Leaks or failure at the original valve assembly

Installation Notes and Tips

Verify connector style, port orientation, and inlet-side placement before installation. Confirm the vehicle uses the electric heater control valve configuration shown in the fitment data. Inspect nearby hoses, clamps, and electrical connections during replacement, and refill and bleed the cooling system according to factory service procedures after installation. Fits 2006-2015 Nissan Armada, Inlet. Fits 2007-2010 INFINITI QX56, Inlet.

Quality Assurance

Dorman designs this HVAC heater control valve as an OE-style replacement to match original fit and function for the listed applications. The part number 902-052 is built for specific-fit use on the vehicles shown in the fitment data.