Fully tested and VIN-programmed OEM ECM/ECU for the 2011 Mazda 6 3.7L engine. Bench-tested, calibrated, and ready to install — no dealer programming required.

Fully tested and VIN-programmed OEM ECM/ECU for the 2011 Mazda 6 engine. Bench-tested, calibrated, and ready to install — no dealer programming required.

Fully tested and VIN-programmed OEM ECM/ECU for the 2012 Mazda 3 2.0L engine. Bench-tested, calibrated, and ready to install — no dealer programming required.

Fully tested and VIN-programmed OEM ECM/ECU for the 2012 Mazda Tribute engine. Bench-tested, calibrated, and ready to install — no dealer programming required.