OE Quality
60-Day Returns

Depo 316-1940R-AS Tail Light Assembly - Right or Right Outer
Reliable Tail Light Assembly for Mazda 3
The Depo 316-1940R-AS tail light assembly is designed specifically for Mazda 3 models, providing a direct replacement for your vehicle's exterior lighting needs. This tail light assembly ensures proper fitment and functionality to maintain safety and visibility on the road.
- Compatible with Mazda 3 models
- Direct replacement tail light assembly
- Durable construction for long-lasting use
- Meets OEM specifications for fit and function
- Part number 316-1940R-AS for precise identification
Product Details and Specifications
This Depo tail light assembly (part number 316-1940R-AS) is engineered to match the original equipment manufacturer standards for the Mazda 3. It is designed to fit seamlessly into the vehicle’s rear lighting system, ensuring proper alignment and secure installation. The assembly provides clear and consistent illumination for brake lights, turn signals, and tail lights, contributing to overall vehicle safety. Its robust construction helps resist environmental factors such as moisture and vibration, which can affect lighting performance over time.
Common Applications and Problem Solving
- Replacement for cracked or broken tail light lenses
- Restores proper brake and signal light functionality
- Fixes issues with dim or non-functioning rear lights
- Improves vehicle visibility and safety compliance
- Addresses water intrusion or fogging inside the tail light
Installation Notes and Tips
When installing the Depo 316-1940R-AS tail light assembly on your Mazda 3, ensure the vehicle is turned off and the battery is disconnected to avoid electrical issues. Carefully remove the damaged or old tail light assembly by loosening the mounting screws and disconnecting the wiring harness. Align the new assembly properly and reconnect the wiring before securing it with the mounting hardware. Test all light functions before completing the installation to confirm proper operation.
Quality Assurance and Warranty
Depo manufactures this tail light assembly to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided, Depo products typically undergo rigorous testing to comply with industry requirements. Using the correct part number 316-1940R-AS guarantees compatibility and helps maintain the integrity of your Mazda 3’s lighting system.
This part fits 7 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Mazda | 3 | Hatchback | Right Outer | Bulb Type; Japan Built; Clear; Bulb Type; Japan Built; Clear; OEM: BHP151150C; MA2805115; Bulb Type; Japan Built; Clear; OEM: BHP151150C; OEM: BHP151150C |
| 2018 | Mazda | 3 | Hatchback | Right | Bulb Type; Mexico Built; Outer; Bulb Type; Mexico Built; Outer; OEM: BHP151150C; MA2805115; Bulb Type; Mexico Built; Outer; OEM: BHP151150C; OEM: BHP151150C |
| 2017 | Mazda | 3 | Hatchback | Right Outer | Bulb Type; Japan Built; Clear; Bulb Type; Japan Built; Clear; OEM: BHP151150C; MA2805115; Bulb Type; Japan Built; Clear; OEM: BHP151150C; OEM: BHP151150C |
| 2017 | Mazda | 3 | Hatchback | Right | Bulb Type; Mexico Built; Outer; Bulb Type; Mexico Built; Outer; OEM: BHP151150C; MA2805115; Bulb Type; Mexico Built; Outer; OEM: BHP151150C; OEM: BHP151150C |
| 2016 | Mazda | 3 | Hatchback | Right Outer | Bulb Type; Japan Built; Clear; Bulb Type; Japan Built; Clear; OEM: BHP151150C; MA2805115; Bulb Type; Japan Built; Clear; OEM: BHP151150C; OEM: BHP151150C |
| 2015 | Mazda | 3 | Hatchback | Right Outer | Bulb Type; Japan Built; Clear; Bulb Type; Japan Built; Clear; OEM: BHP151150C; MA2805115; Bulb Type; Japan Built; Clear; OEM: BHP151150C; OEM: BHP151150C |
| 2014 | Mazda | 3 | Hatchback | Right Outer | Bulb Type; Japan Built; Clear; Bulb Type; Japan Built; Clear; OEM: BHP151150C; MA2805115; Bulb Type; Japan Built; Clear; OEM: BHP151150C; OEM: BHP151150C |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.