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Aero Kit - Rear Under Spoiler (Brilliant Black) | Mazda3 Hatchback (2019-2024)

Give your Mazda3 Hatchback extra curb appeal with this race-inspired add-on. Rear diffusers help create a low-pressure area under your car to minimize underbody wind turbulence.

Parking Assist Sensors
Installation Options

Move slider bars to see before and after a full kit!


Rear Three-Quarter:

Left Side:


  • Race-inspired appearance 
  • Accentuate curves while remaining aerodynamic to increase traction
  • Give your Mazda3 Hatchback an aggressive sporty look
  • High quality, precision cut for your Mazda3 Hatchback
  • Classy Brilliant Black finish
  • Part #:
    • Rear Under Spoiler:BCKN-V4-930 / BEMD-V4-930
      (For vehicles without Parking Sensors)
    • Rear Under Spoiler: BEME-V4-930
      (For vehicles with Parking Sensors)
    • Rubber Seal:B0P3-V4-93E
    • Installation Instructions PDF

Special Notes

  • Applicable model years:
    • Mazda3 Hatchback (5-Door): 2019, 2020, 2021, 2022, 2023, 2024
      Not Available for Mazda3 Sedan (4-Door)
  • Rubber Seal is required for Rear Under Spoiler installation
  • Cannot be installed in conjunction with Rear Mud Guards