OE Quality
60-Day Returns

Depo 316-1151LMUCHM2 Headlight Assembly - Left
Reliable Headlight Assembly for Mazda 3
The Depo 316-1151LMUCHM2 headlight assembly is designed specifically for Mazda 3 models, providing a precise fit and consistent lighting performance. This replacement part ensures your vehicle maintains proper exterior illumination and safety standards.
- Direct replacement headlight assembly for Mazda 3
- Durable construction for long-lasting use
- Compatible with factory mounting points and electrical connections
- Clear lens for optimal light output
- Part number 316-1151LMUCHM2 ensures exact fitment
Product Details and Compatibility
This headlight assembly from Depo is engineered to meet the specifications of Mazda 3 vehicles, ensuring seamless integration with the existing lighting system. The part number 316-1151LMUCHM2 corresponds to a left-side headlight designed to replace damaged or worn units without modification. Its clear lens and housing are built to withstand typical road conditions while maintaining proper beam pattern and visibility.
Common Applications and Problem Solving
- Replacement for cracked or broken headlight lens
- Restores proper headlight alignment and beam focus
- Fixes electrical connection issues related to damaged assemblies
- Improves nighttime visibility and driving safety
- Addresses moisture or fogging problems inside the headlight unit
Installation Notes and Tips
Installation of the Depo 316-1151LMUCHM2 headlight assembly is straightforward for Mazda 3 owners familiar with basic automotive repairs. Ensure the vehicle is turned off and the battery disconnected before beginning. Remove the old headlight assembly by detaching mounting screws and electrical connectors, then install the new unit by reversing the process. Verify proper alignment and secure all fasteners to prevent movement or vibration.
Quality Assurance and Warranty
Depo manufactures this headlight assembly to meet industry standards for fit and function. While specific warranty details are not provided, Depo products typically undergo quality control to ensure reliability and durability. Using the correct part number 316-1151LMUCHM2 guarantees compatibility with Mazda 3 models, supporting consistent performance over time.
This part fits 5 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Mazda | 3 | S | Left | OEM: BHN251041B |
| 2017 | Mazda | 3 | S | Left | OEM: BHN251041B |
| 2016 | Mazda | 3 | S | Left | OEM: BHN251041B |
| 2015 | Mazda | 3 | S | Left | OEM: BHN251041B |
| 2014 | Mazda | 3 | S | Left | OEM: BHN251041B |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.