Dorman 746-040 Tailgate Lock Actuator Motor
Dorman 746-040 Tailgate Lock Actuator Motor
Dorman 746-040 is a tailgate lock actuator motor built to match the original fit and function on specified Chevrolet Silverado and GMC Sierra applications. It uses an electric 12 VDC design with an oval female connector and 2 terminals for direct replacement service on the tailgate locking system.
Key Features
- OE-style tailgate lock actuator motor for rear tailgate locking operation
- Electric activation with 12 VDC voltage
- Oval connector shape with female connector gender and male terminal gender
- 2-terminal design for factory-style electrical connection
- Constructed from steel and plastic materials for durability
- Dimensions: 175.7 mm length, 50.75 mm width, 131 mm height
- No wiring harness or mounting hardware included
Detailed Description
This Dorman tailgate lock actuator motor is engineered for Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, and related applications listed below. It is designed to restore tailgate lock movement when the original actuator motor no longer responds, binds, or fails to cycle properly. Part number 746-040 also cross-references Standard Ignition DLA1501 and DLA1588 for the same application.
Compatible With 2016-2018 Chevrolet Silverado 1500, 2016-2018 Chevrolet Silverado 2500, 2016-2018 Chevrolet Silverado 3500, 2016-2019 Chevrolet Silverado 2500 HD, 2016-2019 Chevrolet Silverado 3500 HD, 2019 Chevrolet Silverado 1500 LD, 2016-2018 GMC Sierra, 2016-2018 GMC Sierra 1500, 2016-2019 GMC Sierra 2500 HD, 2016-2019 GMC Sierra 3500 HD, and 2019 GMC Sierra 1500 Limited.
What It Helps Fix
- Tailgate lock that will not engage or release
- Intermittent or slow tailgate lock movement
- Electrical actuator failure in the tailgate latch system
- Broken or worn original actuator motor
- Tailgate security issues caused by a nonfunctioning lock motor
Installation Notes and Tips
Verify connector style, terminal count, and mounting dimensions before installation. This part uses an oval female connector and 2 terminals, and it does not include a wiring harness or installation hardware. Confirm vehicle application by year, make, and model before ordering, especially on Silverado and Sierra trucks with overlapping trim and platform variations.
Quality Assurance
Dorman manufactures this actuator motor to match original fit and function on specified applications, using quality materials for reliable performance and durability. Part number 746-040 is built as a direct replacement solution for factory tailgate lock service on supported Chevrolet Silverado and GMC Sierra models.
Original: $66.74
-65%$66.74
$23.36Dorman 746-040 Tailgate Lock Actuator Motor
Dorman 746-040 Tailgate Lock Actuator Motor
Dorman 746-040 is a tailgate lock actuator motor built to match the original fit and function on specified Chevrolet Silverado and GMC Sierra applications. It uses an electric 12 VDC design with an oval female connector and 2 terminals for direct replacement service on the tailgate locking system.
Key Features
- OE-style tailgate lock actuator motor for rear tailgate locking operation
- Electric activation with 12 VDC voltage
- Oval connector shape with female connector gender and male terminal gender
- 2-terminal design for factory-style electrical connection
- Constructed from steel and plastic materials for durability
- Dimensions: 175.7 mm length, 50.75 mm width, 131 mm height
- No wiring harness or mounting hardware included
Detailed Description
This Dorman tailgate lock actuator motor is engineered for Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, and related applications listed below. It is designed to restore tailgate lock movement when the original actuator motor no longer responds, binds, or fails to cycle properly. Part number 746-040 also cross-references Standard Ignition DLA1501 and DLA1588 for the same application.
Compatible With 2016-2018 Chevrolet Silverado 1500, 2016-2018 Chevrolet Silverado 2500, 2016-2018 Chevrolet Silverado 3500, 2016-2019 Chevrolet Silverado 2500 HD, 2016-2019 Chevrolet Silverado 3500 HD, 2019 Chevrolet Silverado 1500 LD, 2016-2018 GMC Sierra, 2016-2018 GMC Sierra 1500, 2016-2019 GMC Sierra 2500 HD, 2016-2019 GMC Sierra 3500 HD, and 2019 GMC Sierra 1500 Limited.
What It Helps Fix
- Tailgate lock that will not engage or release
- Intermittent or slow tailgate lock movement
- Electrical actuator failure in the tailgate latch system
- Broken or worn original actuator motor
- Tailgate security issues caused by a nonfunctioning lock motor
Installation Notes and Tips
Verify connector style, terminal count, and mounting dimensions before installation. This part uses an oval female connector and 2 terminals, and it does not include a wiring harness or installation hardware. Confirm vehicle application by year, make, and model before ordering, especially on Silverado and Sierra trucks with overlapping trim and platform variations.
Quality Assurance
Dorman manufactures this actuator motor to match original fit and function on specified applications, using quality materials for reliable performance and durability. Part number 746-040 is built as a direct replacement solution for factory tailgate lock service on supported Chevrolet Silverado and GMC Sierra models.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 746-040 Tailgate Lock Actuator Motor
Dorman 746-040 is a tailgate lock actuator motor built to match the original fit and function on specified Chevrolet Silverado and GMC Sierra applications. It uses an electric 12 VDC design with an oval female connector and 2 terminals for direct replacement service on the tailgate locking system.
Key Features
- OE-style tailgate lock actuator motor for rear tailgate locking operation
- Electric activation with 12 VDC voltage
- Oval connector shape with female connector gender and male terminal gender
- 2-terminal design for factory-style electrical connection
- Constructed from steel and plastic materials for durability
- Dimensions: 175.7 mm length, 50.75 mm width, 131 mm height
- No wiring harness or mounting hardware included
Detailed Description
This Dorman tailgate lock actuator motor is engineered for Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, and related applications listed below. It is designed to restore tailgate lock movement when the original actuator motor no longer responds, binds, or fails to cycle properly. Part number 746-040 also cross-references Standard Ignition DLA1501 and DLA1588 for the same application.
Compatible With 2016-2018 Chevrolet Silverado 1500, 2016-2018 Chevrolet Silverado 2500, 2016-2018 Chevrolet Silverado 3500, 2016-2019 Chevrolet Silverado 2500 HD, 2016-2019 Chevrolet Silverado 3500 HD, 2019 Chevrolet Silverado 1500 LD, 2016-2018 GMC Sierra, 2016-2018 GMC Sierra 1500, 2016-2019 GMC Sierra 2500 HD, 2016-2019 GMC Sierra 3500 HD, and 2019 GMC Sierra 1500 Limited.
What It Helps Fix
- Tailgate lock that will not engage or release
- Intermittent or slow tailgate lock movement
- Electrical actuator failure in the tailgate latch system
- Broken or worn original actuator motor
- Tailgate security issues caused by a nonfunctioning lock motor
Installation Notes and Tips
Verify connector style, terminal count, and mounting dimensions before installation. This part uses an oval female connector and 2 terminals, and it does not include a wiring harness or installation hardware. Confirm vehicle application by year, make, and model before ordering, especially on Silverado and Sierra trucks with overlapping trim and platform variations.
Quality Assurance
Dorman manufactures this actuator motor to match original fit and function on specified applications, using quality materials for reliable performance and durability. Part number 746-040 is built as a direct replacement solution for factory tailgate lock service on supported Chevrolet Silverado and GMC Sierra models.
