HARLEY DAVIDSON · MT21M ECU

HARLEY DAVIDSON TOURING MT21M tuning files

Everything we work with on the HARLEY DAVIDSON TOURING fitted with the MT21M. Stock output across the matched variants spans 90–90 HP. There are 45 distinct variants on file for this combination. Stage 1 and Stage 2 are the safe starting points for this platform. Your file is built against the exact ECU software on the car, then operator-verified.

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Available solutions

Applicable work for the MT21M on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

45 distinct variants for the HARLEY DAVIDSON TOURING on the MT21M ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
ECU SW: 41000850E
ECU HW: 41000706
SW upgrade: 41000880F
Calibration: 41000880F

Variant 2

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP

Variant 3

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001149C
Calibration: 41001149C

Variant 4

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001147C
Calibration: 41001147C

Variant 5

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000549C
Calibration: 41000549C

Variant 6

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000860E
Calibration: 41000860E

Variant 7

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000892F
Calibration: 41000892F

Variant 8

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001139F
Calibration: 41001139F

Variant 9

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000858F
Calibration: 41000858F

Variant 10

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001703
Calibration: 41001703

Variant 11

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000902E
Calibration: 41000902E

Variant 12

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000854E
Calibration: 41000854E

Variant 13

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000884E
Calibration: 41000884E

Variant 14

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
ECU SW: 41000850E
ECU HW: 41000706
SW upgrade: 41000856E
Calibration: 41000856E

Variant 15

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000911D
Calibration: 41000911D

Variant 16

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001181C
Calibration: 41001181C

Variant 17

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
ECU SW: 41000850E
ECU HW: 41000706
SW upgrade: 41000850F
Calibration: 41000850F

Variant 18

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000877F
Calibration: 41000877F

Variant 19

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001144C
Calibration: 41001144C

Variant 20

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001242
Calibration: 41001242

Variant 21

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001146C
Calibration: 41001146C

Variant 22

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001146A
Calibration: 41001146A

Variant 23

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001143C
Calibration: 41001143C

Variant 24

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000850E
Calibration: 41000850E

Variant 25

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000928E
Calibration: 41000928E

Variant 26

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000917L
Calibration: 41000917L

Variant 27

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000917J
Calibration: 41000917J

Variant 28

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000866F
Calibration: 41000866F

Variant 29

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000856F
Calibration: 41000856F

Variant 30

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000891E
Calibration: 41000891E

Variant 31

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: AM0SB1001
Calibration: AM0SB1001

Variant 32

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000886D
Calibration: 41000886D

Variant 33

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000851G
Calibration: 41000851G

Variant 34

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
ECU SW: 41000850E
ECU HW: 41000706
SW upgrade: 41000901E
Calibration: 41000901E

Variant 35

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
ECU SW: 41000850E
ECU HW: 41000706
SW upgrade: 41000862F
Calibration: 41000862F

Variant 36

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000862F
Calibration: 41000862F

Variant 37

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001143A
Calibration: 41001143A

Variant 38

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000896E
Calibration: 41000896E

Variant 39

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000894D
Calibration: 41000894D

Variant 40

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
ECU SW: 41000850E
ECU HW: 41000706
SW upgrade: 41000850D
Calibration: 41000850D

Variant 41

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000897F
Calibration: 41000897F

Variant 42

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41001695A
Calibration: 41001695A

Variant 43

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000894C
Calibration: 41000894C

Variant 44

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000850D
Calibration: 41000850D

Variant 45

ECU

Catalog engine: 1868 90HP
Controller brand: DELPHI
ECU: MT21M
Stock power: 90 HP
SW upgrade: 41000909E
Calibration: 41000909E

Related vehicles

Other vehicles built on the MT21M controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the HARLEY DAVIDSON TOURING on the MT21M?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the MT21M ECU software on this model?

Yes — the HARLEY DAVIDSON TOURING on the MT21M ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.