−10%10% off all files right now — originals €18, map packs from €54.
€18 / file−10%

Denso RF7J original ECU files

Stock reads of the Denso RF7J for Mazda and more.

How Toyota and Lexus Denso ECU numbers work

VehiclesMap packsAll HW and SW numbers

WinOLS map packs for this ECU
Original + every map named, axes checked — from €54.
See map packs

Denso RF7J files

3 files €18 each · card · by e-mail

Vehicles with a Denso RF7J

Denso RF7J files are listed for 1 make and 1 model, the most listed first.

ModelEnginesFiles
Mazda3
62.0 140hp 33

Denso RF7J map packs in figures

1 pack, 29 maps.

All Denso RF7J HW and SW numbers

3 HW numbers and 3 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.

Mazda 3 HW · 3 SW
HWSW versions
G40DRF7JT3DL1 18881L
G40HRF7JT3HB1 18881M
G40KRF7JT3KA1 18881U