Depo 316-1157LMUSM2 Headlight Assembly - Left

Brand Depo 316-1157LMUSM2
Position Left
Fits Mazda · 12 vehicles

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

Restores clear, reliable forward lighting.

$423.30Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $423.30
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Left Headlight Assembly for Mazda CX-9

This Depo headlight assembly is a direct-fit exterior lighting replacement for the left side of select Mazda CX-9 models. It is built for vehicles without adaptive headlamps and matches the listed OEM reference for accurate application coverage.

Key Features

  • Depo Part Number: 316-1157LMUSM2
  • Left headlight assembly for Mazda CX-9
  • Fits 2021-2023 Mazda CX-9, left, OEM: TM52510L0D
  • Fits 2016-2020 Mazda CX-9, left, without adaptive headlamps, OEM: TM52510L0B, MA2502148
  • Fits 2016-2019 Mazda CX-9, left, without adaptive headlamps, composite, OEM: TM52510L0B, MA2502148

Detailed Description

Depo 316-1157LMUSM2 is a left headlight assembly for the Mazda CX-9, covering 2016-2023 model years in the listed configurations. Use this part when replacing a damaged, cloudy, or non-functioning driver-side headlamp on a Mazda CX-9 equipped without adaptive headlamps. The part number 316-1157LMUSM2 also helps confirm the correct exterior lighting match during ordering and service lookup.

This part cross-references OEM reference TM52510L0B and TM52510L0D for the same application.

What It Helps Solve

  • Cracked or broken left headlight housing
  • Reduced forward lighting from a failed assembly
  • Water intrusion or lens deterioration
  • Incorrect replacement on a Mazda CX-9 left-side lighting repair

Installation Notes and Tips

Verify that your Mazda CX-9 is equipped without adaptive headlamps before ordering. Confirm left-side fitment against the OEM reference and existing connector and mounting layout before installation. The 316-1157LMUSM2 is listed for the driver-side position only.

Quality Assurance

Depo manufactures replacement lighting components for exterior vehicle applications, and this headlight assembly is cataloged to the specified OEM references for fitment verification.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2023MazdaCX-9GSLeftOEM: TM52510L0D
2022MazdaCX-9GSLeftOEM: TM52510L0D
2021MazdaCX-9GSLeftOEM: TM52510L0D
2020MazdaCX-9—Leftw/o Adaptive Headlamps; ; MA2502148; OEM: TM52510L0B; Com
2019MazdaCX-9—Leftw/o Adaptive Headlamps; ; MA2502148; OEM: TM52510L0B; Com
2019MazdaCX-9—Leftw/o Adaptive Headlamps; Composite; ; MA2502148; OEM: TM52510L0B
2018MazdaCX-9—Leftw/o Adaptive Headlamps; ; MA2502148; OEM: TM52510L0B; Com
2018MazdaCX-9—Leftw/o Adaptive Headlamps; Composite; ; MA2502148; OEM: TM52510L0B
2017MazdaCX-9—Leftw/o Adaptive Headlamps; ; MA2502148; OEM: TM52510L0B; Com
2017MazdaCX-9—Leftw/o Adaptive Headlamps; Composite; ; MA2502148; OEM: TM52510L0B
2016MazdaCX-9—Leftw/o Adaptive Headlamps; ; MA2502148; OEM: TM52510L0B; Com
2016MazdaCX-9—Leftw/o Adaptive Headlamps; Composite; ; MA2502148; OEM: TM52510L0B