Blend Door Actuator for 2003-2005 Mercedes-Benz ML350 & More - Dorman 604-938

$102.99

Vehicles this part fits

    Part number: 604-938
    UPC: 885484408678
    Condition: New
    Weight: 0.42 LBS
    Item Package Quantity: 1
    $102.99
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    Dorman - OE Solutions HVAC Blend Door Actuator P/N:604-938
    Dorman - OE Solutions HVAC Blend Door Actuator P/N:604-938
    $102.99
    $102.99

    Address erratic temperature control with the Dorman - OE Solutions HVAC Heater Blend Door Actuator 604-938, an electric actuator that drives the HVAC air door for the MAIN position to help restore proper heating, cooling, and airflow direction. This Dorman blend door actuator drops in as a direct-fit replacement for many vehicles, among them the 2003-2005 Mercedes-Benz ML350, 2002-2005 Mercedes-Benz ML500, and 1998-2003 Mercedes-Benz ML320 — see the "Vehicles it fits" section for the full list and engine-level details.

    • Direct replacement: engineered to drop in like the original air door actuator on the listed applications.
    • Position specific: these vehicles often use multiple HVAC door actuators — this one serves the MAIN position, so review the application notes to confirm it matches the actuator you need.
    • Durable construction: designed and tested to strict standards to help resist wear and electrical burnout for reliable operation.
    • Trustworthy quality: backed by a team of experts and engineers in the United States.

    If a failed blend door actuator is the cause of inconsistent cabin temperature, weak airflow changes, or a clicking noise behind the dash, this Dorman air door actuator replaces it.

    Interchange: G04026 · ADA710 · ADS198 · 73114 · 1638200108 · DA1351 · SK604938 · ADR198

    This part cross-references / interchanges with the following part numbers:

    G04026, ADA710, ADS198, 73114, 1638200108, DA1351, SK604938, ADR198

    Frequently Asked Questions

    What does this 604-938 actuator do?

    It is an electric actuator that moves the HVAC air door for the MAIN position, controlling how air is directed for heating, cooling, and airflow in the cabin.

    Which vehicles does this Dorman heater blend door actuator fit?

    It fits many vehicles, among them the 2003-2005 Mercedes-Benz ML350, 2002-2005 Mercedes-Benz ML500, and 1998-2003 Mercedes-Benz ML320. See the "Vehicles it fits" section for the full list.

    What are the signs this actuator may need replacing?

    Inconsistent cabin temperature, airflow that won't change direction, or a clicking or knocking noise behind the dash can be signs. Diagnose the cause before replacing.

    My vehicle has more than one actuator — is this the right one?

    These vehicles often use multiple HVAC door actuators for different positions and functions. This one is for the MAIN position; review the application notes to verify it matches the actuator you need.

    What numbers does this actuator interchange with?

    It replaces G04026, ADA710, ADS198, 73114, 1638200108, DA1351, SK604938, and ADR198.

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