OEM Engine Control Unit ECU (B61P) – 1990–1993 Mazda Miata NA6 1.6L Automatic

OEM engine control unit (ECU) removed from a 1990 Mazda Miata.

This is a factory Mazda ECU with B61P designation, originally designed for 1.6L NA6 automatic transmission vehicles. Unit is a Denso remanufactured ECU and shows normal cosmetic wear consistent with age and use. ECU casing is intact with no cracks or major damage. Mounting brackets are included as shown. Electrical connectors are clean and undamaged.

This is a direct plug-and-play OEM ECU for compatible vehicles using factory wiring and sensors. No tuning or modification required when installed in the correct application. This listing is for the ECU only, exactly as pictured. No additional wiring, harnesses, or hardware included unless otherwise noted.

Fits 1990–1993 Mazda Miata NA6 1.6L with automatic transmission (AT only).

Buyer is responsible for confirming ECU code compatibility (B61P) with their specific vehicle before purchase.

Local pickup available in 92553 (Moreno Valley). Shipping is available, and local same-day delivery may be available for a small premium. All used parts are sold as-is. All sales are final. Buyer is responsible for confirming fitment and condition before purchase. Message me on Instagram @meanmiata with any questions.