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1990–1997 NA Mazda Miata ECU & Engine Control Modules

Shop genuine used OEM ECUs and engine control modules for 1990–1997 NA Mazda Miata MX-5 models. Find factory Mazda engine computers and electronic control units for 1.6L and 1.8L NA Miatas, including manual and automatic transmission applications and related ECU mounting components.

NA Miata ECUs can vary by model year, engine, transmission, and factory configuration. Check the OEM part number and fitment information in each product listing before ordering. Our used OEM Mazda Miata ECUs are inspected for condition and accurately described before sale.

Shop Related NA Miata Electrical Parts:
All Electrical Parts • Radio • Relays • Sensors • Wiring Harness

Most orders include free U.S. shipping, and our used parts are backed by a 30-day limited warranty.

1990-1993 Mazda Miata Mx-5 OEM NA6 1.6 Igniter Ignition Control Module J702 90-93 — Mazda Miata OEM used part product photo
1990-1993 Mazda Miata Mx-5 OEM NA6 1.6 Igniter Ignition Control Module J702 90-93
$49.95
1990-1997 Mazda Miata Mx-5 OEM Cruise Control Computer Module NA01 X4T35491M 90-97 — Mazda Miata OEM used part product photo
1990-1997 Mazda Miata Mx-5 OEM Cruise Control Computer Module NA01 X4T35491M 90-97
$54.95
1991-1993 Mazda Miata Mx-5 OEM ABS Computer NA1767650A 91-93 — Mazda Miata OEM used part product photo
1991-1993 Mazda Miata Mx-5 OEM ABS Computer NA1767650A 91-93
$29.95
1994-1995 Mazda Miata NA8 ECU Engine Computer Unit BPL918881 BPL9-18-881 94-95 Mazda Miata OEM used part
1994-1995 Mazda Miata NA8 ECU Engine Computer Unit BPL918881 BPL9-18-881 94-95
$299.95
1990-1993 Mazda Miata Mx-5 OEM CPU ECU Cover Plate Bracket B61P18885 93NA3692 90-93 Mazda Miata OEM used part
1990-1993 Mazda Miata Mx-5 OEM CPU ECU Cover Plate Bracket B61P18885 93NA3692 90-93
$59.23
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-A Engine Control Unit 93NA3692 90-93 Mazda Miata OEM used part
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-A Engine Control Unit 93NA3692 90-93
$219.95
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-B Engine Control Unit ECU 90NA5086 90-93 Mazda Miata OEM used part
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-B Engine Control Unit ECU 90NA5086 90-93
$219.95
1990-1993 Mazda Miata Mx-5 OEM CPU ECU Cover Plate Bracket B61P18885 91NA0321 90-93 Mazda Miata OEM used part
1990-1993 Mazda Miata Mx-5 OEM CPU ECU Cover Plate Bracket B61P18885 91NA0321 90-93
$74.95
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-A Engine Control Unit 92NA6670 90-93 Mazda Miata OEM used part
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-A Engine Control Unit 92NA6670 90-93
$208.95
1990-1997 Mazda Miata Mx-5 OEM Cruise Control Computer Module NA01 X4T35491 90-97 Mazda Miata OEM used part
1990-1997 Mazda Miata Mx-5 OEM Cruise Control Computer Module NA01 X4T35491 90-97
$54.29
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-A Engine Control Unit 89NA7210 90-93 OEM Mazda Miata MX-5 part image
1990-1993 Mazda Miata Mx-5 OEM ECU B61P-18881-A Engine Control Unit 89NA7210 90-93
$208.95
1990-1993 Mazda Miata Mx-5 OEM ECM ECU Computer B61P-18-881A 93NASU 90-93 — Mazda Miata OEM used part product photo
1990-1993 Mazda Miata Mx-5 OEM ECM ECU Computer B61P-18-881A 93NASU 90-93
$219.95