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Dorman 751-389 Window Motor and Regulator Assembly - Front Left
OE-Style Power Window Replacement
Dorman 751-389 is a replacement power window motor and regulator assembly for the front left door on select Chevrolet and GMC trucks. It is built for specific vehicle applications and engineered to match stock fit, function, and performance for a direct repair.
Compatible With 2019-2021 Chevrolet Silverado 1500, front left; 2019-2021 Chevrolet Cheyenne, front left; 2019-2021 GMC Sierra 1500, front left; and 2019-2021 GMC Sierra, front left. It also fits 2022 Chevrolet Silverado 1500 LTD, 2022 Chevrolet Silverado 1500 Nueva, 2022 Chevrolet Cheyenne Nueva, 2022 GMC Sierra 1500 Limited, and 2022 GMC Sierra Nueva, front left.
- Replacement window motor and regulator assembly for the front left position
- Specific fit for select Chevrolet Silverado 1500 and GMC Sierra applications
- 12-volt motor with 22 W power rating
- One-touch open and close operation
- Bolt-on mounting design with 5 mounting holes
- Plug-in electrical connection with blade terminals
- Standard replacement construction with metal and plastic materials
- Motor and regulator included
Detailed Product Overview
This Dorman window motor and regulator assembly is precision-engineered and tested to match the original equipment layout on the listed Chevrolet and GMC models. The assembly is designed for direct replacement service on the front left door, with a specific-fit configuration that supports proper alignment, smooth glass movement, and one-touch window operation. Part number 751-389 is also referenced for the same application under interchange number 84903317.
Common Repair Applications
- Window glass that will not raise or lower correctly
- Slow or inconsistent power window movement
- Motor noise with limited or no glass travel
- Regulator wear that affects window tracking
- Loss of one-touch open and close function
Installation Notes
Verify front left door fitment before installation and confirm the vehicle uses the listed specific application. This assembly uses a bolt-on mounting method and a plug-in connector with male blade terminals. Check the door glass tracks, switches, and wiring condition during diagnosis to avoid repeat repairs.
Quality Assurance
Dorman tests this replacement assembly to match the fit, function, and performance of the stock regulator on the specified vehicles. It is a standard replacement part built for direct service on the listed Chevrolet Silverado 1500, Chevrolet Cheyenne, and GMC Sierra front left applications.
| Brand | Dorman |
|---|---|
| Part Number | 751-389 |
| Material | Metal |
| Material | Plastic |
| Material | Plástico |
| 10941 | Oui |
| 10941 | Sí |
| 10941 | Yes |
| 10943 | Oui |
| 10943 | Sí |
| 10943 | Yes |
| 10945 | Oui |
| 10945 | Sí |
| 10945 | Yes |
| Voltage | 12 |
| Maximum Width | 550 |
| Mounting Position | Bolt on |
| Mounting Position | Con perno |
| Wiring Harness Length | 0 |
| Attachment Type | Bolt |
| Attachment Type | Perno |
| Mounting Method | Bolt on |
| Mounting Method | Con perno |
| Regulator Included | Oui |
| Regulator Included | Sí |
| Regulator Included | Yes |
| Maximum Lift Height | 500 |
| Operation Type | One-touch (open and close) |
| Operation Type | Un toque (abrir y cerrar) |
| Terminal Type | Aspa |
| Terminal Type | Blade |
| Mounting Hardware Included | No |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2022 | Chevrolet | Cheyenne Nueva | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2022 | Chevrolet | Silverado 1500 LTD | Extended Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2022 | Chevrolet | Silverado 1500 Nueva | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2022 | GMC | Sierra 1500 Limited | Extended Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2022 | GMC | Sierra Nueva | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2021 | Chevrolet | Cheyenne | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2021 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2021 | GMC | Sierra | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2021 | GMC | Sierra 1500 | Extended Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2020 | Chevrolet | Cheyenne | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2020 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2020 | GMC | Sierra | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2020 | GMC | Sierra 1500 | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2019 | Chevrolet | Cheyenne | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2019 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2019 | GMC | Sierra | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2019 | GMC | Sierra 1500 | Crew Cab Pickup | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
* 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.