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Original ECU Files Database
15,000+ Stock Calibration Files for Professional Tuners
Access original ECU calibration files for cars, trucks, motorcycles, and agricultural vehicles.
Download stock firmware from Bosch, Siemens, Delphi, Denso, Continental, Marelli and 50+ ECU manufacturers.
Perfect for ECU recovery, backup, and tuning reference.
100% Original
All ECU Brands
Many Free Files
Tip: Use filters below to search by vehicle, ECU type, or HW/SW number
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Original ECU Files
15,593 files
Vehicle
ECU
HW / SW
Details
Download
DENSO
GEN1
SW89663-37500
4000 136HP
-
33750000
DAMOS: 81075CBD00000000
DENSO
GEN1
HW8966X-37F81 SW89663-37787
4000 136HP
N04CUN
33778700
DAMOS: 8307CC4FFF070001
DENSO
GEN1
SW89663-37831
4000 136HP
-
33783100
DAMOS: 82073099FF070001
DENSO
GEN1
SW89663-37836
4000 136HP
-
33783600
DAMOS: 8207F0C0FF070001
DENSO
GEN1
HW8966X-37F81 SW89663-37838
4000 136HP
N04CUN
33783800
DAMOS: 820710C1FF070001
DENSO
GEN1
SW89663-37840
4000 136HP
-
33784000
DAMOS: 8207B898FF070001
DENSO
GEN1
HW8966X-37F81 SW89663-37842
4000 136HP
N04CUN
33784200
DAMOS: 820728BDFF070001
DENSO
GEN1
SW89663-37844
4000 136HP
-
33784400
DAMOS: 8207C8C0FF070001
DENSO
GEN1
HW89661-37B10 SW89663-37860
4000 136HP
N04CUS
33786000
DAMOS: 82073099FF070001
DENSO
GEN1
HW8966X-37F81 SW89663-37864
4000 136HP
N04CUN
33786400
DAMOS: 820780BDFF070001
Showing 5,211–5,220 of 15,593 files