Fuel Injection Pump Completed with Carbon Commutator Adopted with high quality carbon commutator produced by world famous OE manufacturer, all these 3 pumps are improved greatly on both wearability and lifetime, particularly focusing on the vehicles fueled with mixture of petrol and ethanol. Usage of fuel injection pump like this covers almost all the South American nations like Brazil, Mexico, Argentina, Venezuela etc., owning large consuming market. And more, open flow pressure of our products can reach up to 4.5 bars till 7 bars around, applicable on GM, FORD PICKUP or VAN car series. Fuel injection pumps with carbon commutator will be globally used on different vehicles in recent years, because of its excellent performance and stability.