Dorman 902-311 HVAC Blend Door

Dorman 902-311 HVAC Blend Door for Jeep Grand Cherokee

Dorman 902-311 is an electric HVAC blend door built to match the fit and function of the original component in specified applications. It uses a plastic construction and plenum box mounting to support reliable temperature control inside the HVAC housing. Compatible with 1999-2004 Jeep Grand Cherokee models with Automatic Temperature Control (ATC) and the air recirculation door HVAC subassembly.

Key Features

• Electric operation for HVAC blend door control
• Plastic construction for OE-style fit and function
• Plenum box mounting for specified HVAC assemblies
• Direct replacement for Jeep Grand Cherokee HVAC service needs
• Cross-reference: 5134347AA

Detailed Description

This HVAC blend door is engineered for 1999-2004 Jeep Grand Cherokee applications with Automatic Temperature Control (ATC), including the air recirculation door HVAC subassembly. Dorman 902-311 is designed to restore proper airflow routing inside the HVAC plenum, helping the system direct heated or cooled air as commanded by the control head. The electric design supports modern temperature control systems, while the plastic construction is selected for fitment in the original housing.

For buyers searching for a 1999 Jeep Grand Cherokee HVAC blend door, a 2004 Jeep Grand Cherokee blend door replacement, or Dorman 902-311 for Jeep Grand Cherokee ATC systems, this part provides a direct-match service solution for the specified configuration. It is also a practical replacement when the original door no longer moves correctly within the HVAC assembly.

What It Helps Fix

• Incorrect cabin temperature output
• Airflow stuck on hot or cold
• HVAC door movement problems inside the plenum box
• Temperature control issues in ATC-equipped Jeep Grand Cherokee models
• Recirculation door service needs within the HVAC subassembly

Installation Notes and Tips

Install this part in the plenum box location specified for the application. Verify that the vehicle is equipped with Automatic Temperature Control (ATC) before ordering, and confirm the HVAC subassembly matches the listed fitment. Because this is an electric HVAC component, proper alignment and connector verification are important during replacement.

Quality Assurance

Dorman designs this HVAC blend door to match the original part’s fit and function in specified applications. The part number 902-311 is built from quality materials for dependable service in the listed Jeep Grand Cherokee fitment.