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Rectangular black car stereo head unit with CD slot and display

1 Factory Radio

1 Factory Radio 2010 Mazda 3 AM/FM CD MP3 Receiver BBM2 66 AR0A

SKU CH-0EFK-R1XTD

Direct-fit 2010 Mazda 3 AM/FM single-CD MP3 receiver, professionally remanufactured to 100% function with no code required

  • TypeRadio
  • BluetoothNO
  • AUXNO
  • Weight6
  • Direct-fit replacement for 2010 Mazda 3
  • Professionally remanufactured OEM unit for reliability
  • AM/FM, CD and MP3 playback included
  • No security code needed after installation
  • Verified interchange part number 638-51603

Direct replacement for 2010 Mazda 3

This unit is a professionally remanufactured OEM radio designed specifically for the 2010 Mazda 3. It matches the original part number BBM2 66 AR0A and interchange number 638-51603. The receiver restores factory AM, FM, CD and MP3 playback without requiring a security code. Verification of the exact part number is essential before installation.

Consistent daily operation

The remanufacturing process includes cleaning, servicing and thorough testing to confirm 100 percent functional reliability. Cosmetic condition shows minor wear consistent with a used OEM component. Because it is an exact factory replacement, the radio integrates with the vehicle's existing wiring and data streams for stable performance over time.

Part number BBM2 66 AR0A is the sole compatibility

This radio will likely not work if the vehicle currently uses a different part number, even if connectors appear identical. Data stream differences and external amplifier configurations prevent interchange between similar looking units. Buyers who cannot confirm the exact part number from their original radio or VIN should not purchase this unit.

Highlights

  • Direct-fit replacement for 2010 Mazda 3
  • Professionally remanufactured OEM unit for reliability
  • AM/FM, CD and MP3 playback included
  • No security code needed after installation
  • Verified interchange part number 638-51603

Specifications

Brand1 Factory Radio
ModelBBM2 66 AR0A
TypeRadio
BluetoothNO
AUXNO
Weight6

Questions about this item

How much power does the 2010 Mazda 3 radio draw when running all day?

The unit is a direct OEM replacement designed for the factory wiring harness, so it operates within the vehicle's original electrical specification without extra load.

What existing wiring or harness must already be in the car for the BBM2 66 AR0A to function?

It plugs into the factory connector and requires the original antenna lead; no additional adapters or harnesses are needed if the vehicle already has this exact part number installed.

Will the 638-51603 interchange unit work alongside the original steering-wheel controls and any factory amplifier?

Yes, it retains steering-wheel control signals and communicates on the same data bus, but it only functions correctly in vehicles that originally used part number BBM2 66 AR0A.

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