AP Diesels Ltd are a leading common rail diesel injector and pump remanufacture specialist, providing all makes including Cummins, MTU, Caterpillar, injectors. We are the only company in Europe with a successful remanufacturing program for Cummins QSK, HPI, ISL, ISX and XPI, also MTU L’Orange series 2000/4000, CAT C7/C9, 3408/3412