Renault Kerax 420 412hp (303kW) 1870Nm — Stage 1 file (+63 hp)
hp
Stage 1 file for Renault Kerax 420 412hp (303kW) 1870Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Renault Kerax 420 412hp (303kW) 1870Nm ECU
Renault Kerax (I) 420 412hp (303kW) 1870Nm — mass-market diesel engine of the commercial segment of the Renault-Nissan-Mitsubishi Alliance group (Франция, 1899). Stage 1 chip tuning raises power from 412 to 475 hp (+63 hp, +15%) and torque from 1870 to 2150 Nm (+280 Nm).
The Renault range covers compacts, saloons, SUVs, MPVs and commercial vehicles. Mid-generation diesel models use standard OBD read/write. dCi is Renault's signature designation for its turbo diesels. Renault was a pioneer of compact common-rail diesels in Europe.
The Renault community in France and Eastern Europe offers a large pool of ready-made Stage files. Within the Renault-Nissan Alliance, ECUs are partly standardised, so some files carry over between brands. On older-generation Renault models, Stage 1 is done via OBD without bench. Top-tier Renault Sport engines sit at the power ceiling of the French mass market.
Frequently asked questions
How many horsepower does the Renault Kerax 420 412hp (303kW) 1870Nm reach after a remap?
Stage 1 for the Renault Kerax 420 412hp (303kW) 1870Nm adds +63 hp — power increases from 412 to 475 hp (+15%). Torque rises from 1870 to 2150 Nm (+280 Nm).
What does a Stage 1 remap of the Renault Kerax 420 412hp (303kW) 1870Nm include?
Stage 1 chip tuning of the Renault Kerax is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +63 hp with no hardware changes.
What is the Stage 1 potential of the Renault Kerax 420 412hp (303kW) 1870Nm?
On the top-spec Renault Kerax 420 412hp (303kW) 1870Nm engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
How much does Stage 2 add on the Renault Kerax?
Stage 2 for the Renault Kerax 420 412hp (303kW) 1870Nm is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
What happens to the Renault Kerax warranty after chip tuning?
The factory warranty of the Renault Kerax does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Renault Kerax take?
On the Renault Kerax 420 412hp (303kW) 1870Nm: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Renault Kerax?
Yes, the original ECU firmware of the Renault Kerax 420 412hp (303kW) 1870Nm is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Renault Kerax?
Stage 1 for the Renault Kerax 420 412hp (303kW) 1870Nm is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.