HomeElectrical, Lighting and Body > Lighting - ExteriorDepo 316-1151LMUCHM2 Headlight Assembly - Left
Part #: 316-1151LMUCHM2

Depo 316-1151LMUCHM2 Headlight Assembly - Left

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⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$534.87Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 3
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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:

YearMakeModelSubmodelPositionNotes
2018Mazda3SLeftOEM: BHN251041B
2017Mazda3SLeftOEM: BHN251041B
2016Mazda3SLeftOEM: BHN251041B
2015Mazda3SLeftOEM: BHN251041B
2014Mazda3SLeftOEM: BHN251041B

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.