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OE Quality
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Dorman 751-123 Window Motor and Regulator Assembly - Front Left
Power Window Motor for Mazda CX-3
This Dorman power window motor and regulator assembly is built for the front left window on select Mazda CX-3 models. It is engineered to match stock fit, function, and performance for a direct replacement on 2016-2025 Mazda CX-3 applications.
- Part number: 751-123
- Front left mounting position
- 12-volt electric operation
- Bolt-on mounting method with 8 mounting holes
- Motor included; regulator not included
- Automatic down operation
- Steel frame with metal and plastic housing materials
- Safety glass application
- Plug-in / connector-style hardwired connection
Detailed Product Overview
Dorman 751-123 is a replacement power window motor and regulator assembly for the front left side of the Mazda CX-3. It is precision-engineered and tested to match the original window regulator’s fit and function, making it a direct replacement for 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, and 2025 Mazda CX-3 vehicles. This assembly uses a bolt-on design, 12-volt motor, and automatic down operation for OE-style service on the driver-side front window.
This part cross-references Dorman OE-style numbers D10E59590 and D10E59590A for the same application.
Common Problems This Part Can Address
- Front left power window stops moving down properly
- Window motor runs but the glass does not respond as expected
- Slow, inconsistent, or noisy window operation
- Broken or worn regulator components on the front left door
- Loss of automatic down function on the Mazda CX-3
Installation Notes
Fits 2016-2025 Mazda CX-3, front left. Confirm the vehicle uses the front left position and a 12-volt, bolt-on window motor and regulator assembly before installation. The unit uses a connector-style electrical connection and does not include a wiring harness, mounting hardware, or installation instructions.
Quality Assurance
Dorman manufactures this replacement assembly to match stock fit, function, and performance, and each unit is extensively tested before release. It is built for direct replacement service on the specified Mazda CX-3 applications.
| Brand | Dorman |
|---|---|
| Part Number | 751-123 |
| Material | Metal |
| Material | Plastic |
| Material | Plástico |
| 10941 | Oui |
| 10941 | Sí |
| 10941 | Yes |
| 10943 | No |
| 10943 | Non |
| 10945 | Oui |
| 10945 | Sí |
| 10945 | Yes |
| Voltage | 12 |
| Maximum Width | 6 |
| Mounting Position | Front left |
| Mounting Position | Parte izquierda delantera |
| Wiring Harness Length | 0 |
| Attachment Type | Bolt |
| Attachment Type | Perno |
| Mounting Method | Bolt on |
| Mounting Method | Con perno |
| Regulator Included | No |
| Regulator Included | Non |
| Maximum Lift Height | 365 |
| Operation Type | Automatic (down) |
| Operation Type | Automático (abajo) |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Wire Quantity | 0 |
| Mounting Hole Quantity | 8 |
| Housing Material | Metal |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2024 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2023 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2022 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2021 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2020 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2019 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2018 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2017 | Mazda | CX-3 | Front Left | FMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes |
| 2016 | Mazda | CX-3 | 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.