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Mazda RX-7 FD3S EGI engine-control module — N3F1-18-881A / 079700-7511 — photograph 1

1 / 3 Original product photographs. Tap the main image to enlarge.

Engine controls & electronics

Mazda RX-7 FD3S EGI engine-control module — N3F1-18-881A / 079700-7511

Used

€222

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Condition
Used
Brand
Mazda
Item reference
225188706725

Catalogue snapshot: 12 October 2026. Please confirm current availability with Nick's Garage.

Part identification

Research & application notes

Mazda RX-7 FD3S Denso EGI / powertrain control module N3F1-18-881A, Denso 079700-7511.

Tested and working — confirmed by Nick’s Garage

Reference / label codesN3F1-18-881A · 079700-7511 · N3F1 A label

Catalogue applications are not a guarantee for this exact supplier revision. Match VIN and full label before ordering.

Catalogue application reference

Model/Series
Mazda RX-7 · Third generation FD · FD3S
Year
Not independently confirmed
Engine
Not independently confirmed
Transmission
Not independently confirmed
Market
Not independently confirmed
Catalogue scope
Conditional catalogue application only; not a VIN compatibility guarantee.

Evidence statusConditional catalogue reference — exact OEM identity/model family confirmed; exact production/transmission/market unresolved

Identification & application notes

  • Photo 03 adds the important Mazda ordering code N3F1-18-881A missing from the title; Denso number is 079700-7511. Photo 01 is handwritten RX7 97 model Type R, treated as donor annotation rather than independent fitment.
  • Specialist/marketplace records conflict, assigning this ECU to 1996–1998, 1999–2002 or all FD years. Those broad application claims were not accepted.
  • Mazda confirms substantial 1996 and 1999 FD engine/model changes; identical FD3S chassis family and 13B engine family do not establish interchangeable ECU calibration/connectors.
  • Compare complete Mazda/Denso number, plugs, loom, transmission, emission-market specification and existing calibration. Engine swaps or modified calibration must be checked by a specialist.
  • 13B-REW 654cc × 2 is the RX-7 FD3S manufacturer's model-family context. It is retained as research context, not an exact ECU-calibration application established by the N3F1 record.

Confirm before ordering

These details remain unconfirmed for this individual item:

  • Exact Series 4 production/frame boundary for N3F1-18-881A, including revisions B/C
  • Verified manual-versus-automatic calibration for the actual unit
  • Exact JDM/export market and donor VIN; use the handwritten 1997 note only as owner information
Research sources & evidence scope (3)

Before you order

Match the exact part

Share your vehicle identification details, full component label and existing part number before ordering. Fitment, coding and installation must be confirmed separately. For magazines and non-automotive items, check the product description and photographs.