Keen Fluid FC 4113

Keen Fluid FC 4113 is a calibration fluid specifically developed for use in diesel injection pump test benches. It is the only product in the Kelpen Oil portfolio holding the Bosch FC 4113 approval — one of the most demanding specifications in the industry — and it fully meets the international ISO 4113 standard.

Its formulation ensures:

• Test repeatability over time, with stable viscosity.
• Controlled lubricity, within the range required by Bosch.
• Thermal and oxidative stability during long bench cycles.
• Full compatibility with the steels, elastomers and seals used in modern injection pumps.
• Very low ash content, preventing deposits on nozzles and calibration chambers.

Indicated for diesel injector overhaul labs, Bosch Service workshops, and OEMs that need to validate pump performance against the international reference.

Applications

• Diesel injection pump test benches (Bosch standard)
• Diesel injector calibration and fine tuning
• Laboratory simulation of real pumping conditions
• Post-overhaul performance validation