MITSUBISHI · MA275700-8921 ECU

MITSUBISHI MONTERO MA275700-8921 tuning files

Everything we work with on the MITSUBISHI MONTERO fitted with the MA275700-8921. Stock output across the matched variants spans 168–178 HP. 9 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All MONTERO coverage

Available solutions

What we can run on the MA275700-8921 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

9 distinct variants for the MITSUBISHI MONTERO on the MA275700-8921 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
SW upgrade: 1860B57403

Variant 2

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
SW upgrade: 1860C24702
Calibration: 1860C24702

Variant 3

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
ECU SW: 1860B55204
ECU HW: 1860B552
SW upgrade: 1860B55204
Calibration: 1860B55204

Variant 4

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
ECU SW: 1860B57303
ECU HW: 1860B573
SW upgrade: 1860B57303
Calibration: 1860B57303

Variant 5

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
ECU SW: 1860C27102
ECU HW: 1860C271
SW upgrade: 1860C27102
Calibration: 1860C27102

Variant 6

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
ECU SW: 1860C17701
ECU HW: 1860C177
SW upgrade: 1860C17701
Calibration: 1860C17701

Variant 7

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
SW upgrade: 1860C09601
Calibration: 1860C09601

Variant 8

ECU

Catalog engine: 2500 178HP
Generation: -2015
Matched gains engine: 2.5DID 178
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 178 HP
Stage 1 power: 210 HP
Power increase: +32 HP (+18%)
Stock torque: 400 Nm
Stage 1 torque: 460 Nm
Torque increase: +60 Nm (+15%)
ECU SW: 1860C27101
ECU HW: 1860C271
SW upgrade: 1860C27101
Calibration: 1860C27101

Variant 9

ECU

Catalog engine: 3200 168HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 168 HP
SW upgrade: 1860A73604

Related vehicles

Other vehicles built on the MA275700-8921 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the MITSUBISHI MONTERO on the MA275700-8921?

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

Do you cover the MA275700-8921 ECU software on this model?

Yes — the MITSUBISHI MONTERO on the MA275700-8921 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.