Dorman 604-991 HVAC Blend Door Actuator
HVAC Blend Door Actuator for Select Ford, GM, and Mercedes-Benz
Dorman 604-991 is a precision-engineered HVAC blend door actuator designed to restore temperature and airflow control in select vehicles. It is built to simplify replacement on applications where access is tight and correct part selection matters, including Ford Fusion, Lincoln MKZ, Mercury Milan, and several Cadillac, Chevrolet, GMC, and Mercedes-Benz models.
Key Features
- Rotary actuator design for HVAC blend door control
- Black plastic housing and black connector
- Female connector with 5 terminals
- 3 mounting holes for secure installation
- Captive screws help keep fasteners in place during alignment
- Designed to consolidate multiple original equipment applications into one service part
- Part number 604-991 for fast identification and ordering
Product Details
This HVAC blend door actuator is engineered to replace a malfunctioning air door or blend door actuator in vehicles that use a rotary-style HVAC control motor. Dorman developed this part family to reduce fitment confusion across closely related OE applications and to support a more exact installation. The compact plastic body measures 3.7 inches long, 3.2 inches wide, and 1.43 inches high, with a female connector, pin terminals, and no actuator arm included. For buyers searching for a Ford Fusion blend door actuator, Lincoln MKZ HVAC actuator, or Mercedes-Benz ML320 blend door actuator, Dorman 604-991 provides a direct replacement path when matched to the listed fitment.
This part cross-references Standard Ignition ADR100 and TechSmart F04001 for the same application.
What It Helps Fix
- Inconsistent cabin temperature from a stuck blend door
- Noisy or unresponsive HVAC temperature adjustment
- Airflow that remains on one temperature setting
- HVAC control issues caused by a worn actuator motor
- Replacement confusion when multiple similar actuators are listed
Installation Notes and Tips
Verify the vehicle’s year, make, model, and actuator position before ordering. This part is listed for Main and Left Main positions depending on application, so match the fitment details carefully. Because blend door actuator replacement can require access behind the dashboard or within the HVAC case, confirm connector style, terminal count, and mounting-hole layout before installation. The captive-screw design is intended to make alignment easier during installation in tight spaces.
Quality Assurance
Dorman designed and tested this actuator for exact fitment on the listed applications, with attention to installation consistency and application matching. The part is built to help reduce repeat repairs by using a consolidated OE-style design for select Ford, Lincoln, Mercury, Cadillac, Chevrolet, GMC, Mercedes-Benz, Buick, and Oldsmobile vehicles.
Compatible Vehicles
- Fits 2006-2012 Ford Fusion, Main
- Fits 2007-2012 Lincoln MKZ, Main
- Fits 2006-2011 Mercury Milan, Main
- Fits 2006 Lincoln Zephyr, Main
- Fits 2002-2005 Cadillac DeVille, Main
- Fits 2001 Cadillac DeVille, Left Main
- Fits 2003-2005 Mercedes-Benz ML350, Main
- Fits 2002-2005 Mercedes-Benz ML500, Main
- Fits 1998-2003 Mercedes-Benz ML320, Main
- Fits 2000-2003 Mercedes-Benz ML55 AMG, Main
- Fits 1999-2001 Mercedes-Benz ML430, Main
- Fits 1990-1996 Chevrolet Corvette, Main
- Fits 1992-1994 Chevrolet Blazer, Main
- Fits 1988-1994 Chevrolet C1500, Main
- Fits 1992-1994 Chevrolet C1500 Suburban, Main
- Fits 1988-1994 Chevrolet C2500, Main
- Fits 1992-1994 Chevrolet C2500 Suburban, Main
- Fits 1988-1994 Chevrolet C3500, Main
- Fits 1988-1994 Chevrolet K1500, Main
- Fits 1992-1994 Chevrolet K1500 Suburban, Main
- Fits 1988-1994 Chevrolet K2500, Main
- Fits 1992-1994 Chevrolet K2500 Suburban, Main
- Fits 1988-1994 Chevrolet K3500, Main
- Fits 1988-1994 GMC C1500, Main
- Fits 1992-1994 GMC C1500 Suburban, Main
- Fits 1988-1994 GMC C2500, Main
- Fits 1992-1994 GMC C2500 Suburban, Main
- Fits 1988-1994 GMC C3500, Main
- Fits 1988-1994 GMC K1500, Main
- Fits 1992-1994 GMC K1500 Suburban, Main
- Fits 1988-1994 GMC K2500, Main
- Fits 1992-1994 GMC K2500 Suburban, Main
- Fits 1988-1994 GMC K3500, Main
- Fits 1992-1994 GMC Yukon, Main
- Fits 1991-1993 Buick Roadmaster, Main
- Fits 1993 Cadillac Commercial Chassis, Main
- Fits 1993 Cadillac Fleetwood, Main
- Fits 1991-1992 Oldsmobile Custom Cruiser, Main
Dorman 604-991 HVAC Blend Door Actuator
HVAC Blend Door Actuator for Select Ford, GM, and Mercedes-Benz
Dorman 604-991 is a precision-engineered HVAC blend door actuator designed to restore temperature and airflow control in select vehicles. It is built to simplify replacement on applications where access is tight and correct part selection matters, including Ford Fusion, Lincoln MKZ, Mercury Milan, and several Cadillac, Chevrolet, GMC, and Mercedes-Benz models.
Key Features
- Rotary actuator design for HVAC blend door control
- Black plastic housing and black connector
- Female connector with 5 terminals
- 3 mounting holes for secure installation
- Captive screws help keep fasteners in place during alignment
- Designed to consolidate multiple original equipment applications into one service part
- Part number 604-991 for fast identification and ordering
Product Details
This HVAC blend door actuator is engineered to replace a malfunctioning air door or blend door actuator in vehicles that use a rotary-style HVAC control motor. Dorman developed this part family to reduce fitment confusion across closely related OE applications and to support a more exact installation. The compact plastic body measures 3.7 inches long, 3.2 inches wide, and 1.43 inches high, with a female connector, pin terminals, and no actuator arm included. For buyers searching for a Ford Fusion blend door actuator, Lincoln MKZ HVAC actuator, or Mercedes-Benz ML320 blend door actuator, Dorman 604-991 provides a direct replacement path when matched to the listed fitment.
This part cross-references Standard Ignition ADR100 and TechSmart F04001 for the same application.
What It Helps Fix
- Inconsistent cabin temperature from a stuck blend door
- Noisy or unresponsive HVAC temperature adjustment
- Airflow that remains on one temperature setting
- HVAC control issues caused by a worn actuator motor
- Replacement confusion when multiple similar actuators are listed
Installation Notes and Tips
Verify the vehicle’s year, make, model, and actuator position before ordering. This part is listed for Main and Left Main positions depending on application, so match the fitment details carefully. Because blend door actuator replacement can require access behind the dashboard or within the HVAC case, confirm connector style, terminal count, and mounting-hole layout before installation. The captive-screw design is intended to make alignment easier during installation in tight spaces.
Quality Assurance
Dorman designed and tested this actuator for exact fitment on the listed applications, with attention to installation consistency and application matching. The part is built to help reduce repeat repairs by using a consolidated OE-style design for select Ford, Lincoln, Mercury, Cadillac, Chevrolet, GMC, Mercedes-Benz, Buick, and Oldsmobile vehicles.
Compatible Vehicles
- Fits 2006-2012 Ford Fusion, Main
- Fits 2007-2012 Lincoln MKZ, Main
- Fits 2006-2011 Mercury Milan, Main
- Fits 2006 Lincoln Zephyr, Main
- Fits 2002-2005 Cadillac DeVille, Main
- Fits 2001 Cadillac DeVille, Left Main
- Fits 2003-2005 Mercedes-Benz ML350, Main
- Fits 2002-2005 Mercedes-Benz ML500, Main
- Fits 1998-2003 Mercedes-Benz ML320, Main
- Fits 2000-2003 Mercedes-Benz ML55 AMG, Main
- Fits 1999-2001 Mercedes-Benz ML430, Main
- Fits 1990-1996 Chevrolet Corvette, Main
- Fits 1992-1994 Chevrolet Blazer, Main
- Fits 1988-1994 Chevrolet C1500, Main
- Fits 1992-1994 Chevrolet C1500 Suburban, Main
- Fits 1988-1994 Chevrolet C2500, Main
- Fits 1992-1994 Chevrolet C2500 Suburban, Main
- Fits 1988-1994 Chevrolet C3500, Main
- Fits 1988-1994 Chevrolet K1500, Main
- Fits 1992-1994 Chevrolet K1500 Suburban, Main
- Fits 1988-1994 Chevrolet K2500, Main
- Fits 1992-1994 Chevrolet K2500 Suburban, Main
- Fits 1988-1994 Chevrolet K3500, Main
- Fits 1988-1994 GMC C1500, Main
- Fits 1992-1994 GMC C1500 Suburban, Main
- Fits 1988-1994 GMC C2500, Main
- Fits 1992-1994 GMC C2500 Suburban, Main
- Fits 1988-1994 GMC C3500, Main
- Fits 1988-1994 GMC K1500, Main
- Fits 1992-1994 GMC K1500 Suburban, Main
- Fits 1988-1994 GMC K2500, Main
- Fits 1992-1994 GMC K2500 Suburban, Main
- Fits 1988-1994 GMC K3500, Main
- Fits 1992-1994 GMC Yukon, Main
- Fits 1991-1993 Buick Roadmaster, Main
- Fits 1993 Cadillac Commercial Chassis, Main
- Fits 1993 Cadillac Fleetwood, Main
- Fits 1991-1992 Oldsmobile Custom Cruiser, Main
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
HVAC Blend Door Actuator for Select Ford, GM, and Mercedes-Benz
Dorman 604-991 is a precision-engineered HVAC blend door actuator designed to restore temperature and airflow control in select vehicles. It is built to simplify replacement on applications where access is tight and correct part selection matters, including Ford Fusion, Lincoln MKZ, Mercury Milan, and several Cadillac, Chevrolet, GMC, and Mercedes-Benz models.
Key Features
- Rotary actuator design for HVAC blend door control
- Black plastic housing and black connector
- Female connector with 5 terminals
- 3 mounting holes for secure installation
- Captive screws help keep fasteners in place during alignment
- Designed to consolidate multiple original equipment applications into one service part
- Part number 604-991 for fast identification and ordering
Product Details
This HVAC blend door actuator is engineered to replace a malfunctioning air door or blend door actuator in vehicles that use a rotary-style HVAC control motor. Dorman developed this part family to reduce fitment confusion across closely related OE applications and to support a more exact installation. The compact plastic body measures 3.7 inches long, 3.2 inches wide, and 1.43 inches high, with a female connector, pin terminals, and no actuator arm included. For buyers searching for a Ford Fusion blend door actuator, Lincoln MKZ HVAC actuator, or Mercedes-Benz ML320 blend door actuator, Dorman 604-991 provides a direct replacement path when matched to the listed fitment.
This part cross-references Standard Ignition ADR100 and TechSmart F04001 for the same application.
What It Helps Fix
- Inconsistent cabin temperature from a stuck blend door
- Noisy or unresponsive HVAC temperature adjustment
- Airflow that remains on one temperature setting
- HVAC control issues caused by a worn actuator motor
- Replacement confusion when multiple similar actuators are listed
Installation Notes and Tips
Verify the vehicle’s year, make, model, and actuator position before ordering. This part is listed for Main and Left Main positions depending on application, so match the fitment details carefully. Because blend door actuator replacement can require access behind the dashboard or within the HVAC case, confirm connector style, terminal count, and mounting-hole layout before installation. The captive-screw design is intended to make alignment easier during installation in tight spaces.
Quality Assurance
Dorman designed and tested this actuator for exact fitment on the listed applications, with attention to installation consistency and application matching. The part is built to help reduce repeat repairs by using a consolidated OE-style design for select Ford, Lincoln, Mercury, Cadillac, Chevrolet, GMC, Mercedes-Benz, Buick, and Oldsmobile vehicles.
Compatible Vehicles
- Fits 2006-2012 Ford Fusion, Main
- Fits 2007-2012 Lincoln MKZ, Main
- Fits 2006-2011 Mercury Milan, Main
- Fits 2006 Lincoln Zephyr, Main
- Fits 2002-2005 Cadillac DeVille, Main
- Fits 2001 Cadillac DeVille, Left Main
- Fits 2003-2005 Mercedes-Benz ML350, Main
- Fits 2002-2005 Mercedes-Benz ML500, Main
- Fits 1998-2003 Mercedes-Benz ML320, Main
- Fits 2000-2003 Mercedes-Benz ML55 AMG, Main
- Fits 1999-2001 Mercedes-Benz ML430, Main
- Fits 1990-1996 Chevrolet Corvette, Main
- Fits 1992-1994 Chevrolet Blazer, Main
- Fits 1988-1994 Chevrolet C1500, Main
- Fits 1992-1994 Chevrolet C1500 Suburban, Main
- Fits 1988-1994 Chevrolet C2500, Main
- Fits 1992-1994 Chevrolet C2500 Suburban, Main
- Fits 1988-1994 Chevrolet C3500, Main
- Fits 1988-1994 Chevrolet K1500, Main
- Fits 1992-1994 Chevrolet K1500 Suburban, Main
- Fits 1988-1994 Chevrolet K2500, Main
- Fits 1992-1994 Chevrolet K2500 Suburban, Main
- Fits 1988-1994 Chevrolet K3500, Main
- Fits 1988-1994 GMC C1500, Main
- Fits 1992-1994 GMC C1500 Suburban, Main
- Fits 1988-1994 GMC C2500, Main
- Fits 1992-1994 GMC C2500 Suburban, Main
- Fits 1988-1994 GMC C3500, Main
- Fits 1988-1994 GMC K1500, Main
- Fits 1992-1994 GMC K1500 Suburban, Main
- Fits 1988-1994 GMC K2500, Main
- Fits 1992-1994 GMC K2500 Suburban, Main
- Fits 1988-1994 GMC K3500, Main
- Fits 1992-1994 GMC Yukon, Main
- Fits 1991-1993 Buick Roadmaster, Main
- Fits 1993 Cadillac Commercial Chassis, Main
- Fits 1993 Cadillac Fleetwood, Main
- Fits 1991-1992 Oldsmobile Custom Cruiser, Main
