HomeHVAC > Heater Control Valve and Related ComponentsGenuine 1638200108 HVAC Air Inlet Door Actuator
Part #: 1638200108

Genuine 1638200108 HVAC Air Inlet Door Actuator

9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, ML320, ML430, and ML55 AMG
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Mercedes-Benz HVAC Air Inlet Door Actuator

This Genuine HVAC air inlet door actuator is a direct-fit replacement for select Mercedes-Benz SUV applications. It is listed for the heater case top position and is identified by part number 1638200108.

Key Features

  • Genuine HVAC air inlet door actuator
  • Part number 1638200108
  • Fits the heater case top location
  • OE-style replacement for factory HVAC control operation
  • Compatible with select Mercedes-Benz ML320, ML430, and ML55 AMG models

Detailed Description

Use this HVAC air inlet door actuator to restore proper movement of the air inlet door in the heating and air conditioning system. On 1998-2001 Mercedes-Benz ML320, 1999-2001 Mercedes-Benz ML430, and 2000-2001 Mercedes-Benz ML55 AMG models, this actuator mounts on top of the heater case and helps control airflow routing inside the HVAC housing. If you are replacing a failed Mercedes-Benz ML320 HVAC air inlet door actuator or sourcing part number 1638200108 for a Mercedes-Benz ML55 AMG, this Genuine component matches the listed application.

This part cross-references no additional part numbers in the provided data.

What It Helps Fix

  • Airflow stuck on one vent setting
  • Inconsistent cabin air direction control
  • HVAC doors that do not respond to dash controls
  • Loss of proper fresh-air and recirculation door movement
  • Heating or cooling distribution problems caused by a failed actuator

Installation Notes

Fits 1998-2001 Mercedes-Benz ML320, on top of heater case. Fits 1999-2001 Mercedes-Benz ML430, on top of heater case. Fits 2000-2001 Mercedes-Benz ML55 AMG, on top of heater case. Confirm the actuator location on the heater case before installation and compare the connector and mounting points to the original unit. Part number 1638200108 should be matched to the vehicle application before replacement.

Quality Assurance

Genuine-branded replacement part built for the listed Mercedes-Benz HVAC applications. Verify fitment by year, model, and heater case location before ordering.

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2001Mercedes-BenzML320N/AOn Top of Heater Case
2001Mercedes-BenzML430N/AOn Top of Heater Case
2001Mercedes-BenzML55 AMGN/AOn Top of Heater Case
2000Mercedes-BenzML320N/AOn Top of Heater Case
2000Mercedes-BenzML430N/AOn Top of Heater Case
2000Mercedes-BenzML55 AMGN/AOn Top of Heater Case
1999Mercedes-BenzML320N/AOn Top of Heater Case
1999Mercedes-BenzML430N/AOn Top of Heater Case
1998Mercedes-BenzML320N/AOn Top of Heater Case

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.