NB2 (2001-05) engine computer (ECU)

Which cars does it fit? NB 1999-2000: does not fit (Reported).

Last verified 2026-10-20

Category: electrical · Brand: Mazda

VehicleYearsResultConfidence
Mazda Miata NB (1999-2005 US model years)1999-2000Does not fitReported

Short answers by generation

Will NB2 (2001-05) engine computer (ECU) fit a Mazda Miata NB (1999-2005 US model years)?

No (Reported, 1 source; applies to: NB1). Listed as not compatible: NB2 ECUs include an immobilizer the NB1 lacks and use different wiring. Full answer and sources

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