PRO-TEC Nano Engine Protect & Seal creates a highly active nano barrier in the oil which protects all the internal surfaces of engines and equipment such as oil system, manual gearboxes and differentials. Seals, o-rings and shaft seals are kept supple. Improved oil flow during cold start, smoother and quieter engine running, improved performance, extended life of equipment, and excellent “run dry” emergency properties


Service product for use in the oil system of 4-stroke petrol and diesel engines. Applicable for common rail as well as pump injector fuel systems and recommended for engines with turbo charger, catalytic converter and DPF filters. Compatible with all engine oils.


Add to oil system after each oil change. We recommend cleaning the oil system with PRO-TEC Engine Flush before use. Observe the maximum oil quantity! In power-steering systems, manual transmissions und differentials use at ratio 1:10.

Note: When using in vehicles with wet clutch, observe the manufacturer's instructions!


while engine is running


375ml sufficient for 5 liters of oil. Mixing ratio: 1:15.

Contents 375 ml 1 Liter 5 Liter
Package Unit 28 pcs 12 pcs 4 pcs
Net Weight 0.44 kg 1.10 kg 5.25 kg
Item number P9201 P9209 P9202