Depo 316-1151LMUSHM2 Headlight Assembly - Left

Brand Depo 316-1151LMUSHM2
Position Left
Fits Mazda · 5 vehicles

Headlight assembly. Direct replacement for a worn or damaged unit.

$508.88Free shipping
In stock · usually ships same day before 1pm CST
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Order total $508.88
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Left Headlight Assembly for Mazda 3

This Depo left headlight assembly is a direct-fit exterior lighting replacement for the 2014-2018 Mazda 3 with HID and without auto level control. It is built for the left side and matches the composite headlamp configuration listed for this application. Part number 316-1151LMUSHM2 is a focused OE-style replacement for restoring front-end lighting on the Mazda 3.

Key Features

  • Fits 2014-2018 Mazda 3, left
  • HID headlight assembly for vehicles without auto level control
  • Composite headlamp construction
  • OE reference numbers listed: MA2502145 and BHN25
  • Depo part number 316-1151LMUSHM2

Detailed Description

Depo 316-1151LMUSHM2 is a left headlight assembly for the 2014-2018 Mazda 3. The fitment data specifies HID lighting, no auto level control, and a composite housing configuration, making it a direct match for vehicles built with those factory options. If you are replacing a damaged or non-functioning driver-side lamp on a Mazda 3, this assembly provides the correct application details for a clean OE-style replacement.

This part cross-references OE numbers MA2502145 and BHN25 for the same application. Use the part number 316-1151LMUSHM2 when verifying the correct left headlight assembly for your vehicle.

Common Reasons for Replacement

  • Cracked or broken left headlight housing
  • Clouded or damaged exterior lens area
  • Loss of HID lighting performance on the driver side
  • Water intrusion or internal moisture in the lamp assembly
  • Restoring proper front lighting after collision repair

Installation Notes and Tips

Confirm that your Mazda 3 is equipped with HID lighting and does not use auto level control before ordering. This assembly is listed for the left side only, so match the vehicle position carefully. Compare the OE reference numbers and the part number 316-1151LMUSHM2 against the original lamp before installation.

Quality Assurance

Depo manufactures replacement lighting components for automotive applications, and this headlight assembly is cataloged with OE reference information to support accurate part matching.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2018Mazda3LeftHID; w/o Auto Level Control; Composite; MA2502145; HID; w/o Auto Level Control; Composite; OEM: BHN25; OEM: BHN25
2017Mazda3LeftHID; w/o Auto Level Control; Composite; MA2502145; HID; w/o Auto Level Control; Composite; OEM: BHN25; OEM: BHN25
2016Mazda3LeftHID; w/o Auto Level Control; Composite; MA2502145; HID; w/o Auto Level Control; Composite; OEM: BHN25; OEM: BHN25
2015Mazda3LeftHID; w/o Auto Level Control; Composite; MA2502145; HID; w/o Auto Level Control; Composite; OEM: BHN25; OEM: BHN25
2014Mazda3LeftHID; w/o Auto Level Control; Composite; MA2502145; HID; w/o Auto Level Control; Composite; OEM: BHN25; OEM: BHN25