Reference OE/OEM Number 7 KERR NELSON IRT043, KW 913 030, LEMARK LRT075, LUCAS DRJ475C. Reference OE/OEM Number 2 DAIHATSU 19102-87206-000, DAIHATSU 19102-87704-000. Compatible with a wide range of petrol engines, the rotor arm is a standard maintenance part for vehicles with traditional distributor-based ignition systems.