Usage Tips:1Applicable Model: The red rotor arm is replacement for Lucas 45D 43D 59D distributor. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2OE Number: The part numbers for reference are DRB104C, GRA2114. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3Accurate Ignition: The distributor rotor arm ensures correct ignition timing and reliable ignition capability, contributing to the smooth operation of the engine. 4Improved Performance: High strength materials and precise design of this rotor arm can improve energy transfer efficiency and further improve engine performance. 5Durable Construction: Made from premium materials, this ignition rotor arm is built to last. It offers superior durability and resistance to wear and tear, ensuring long lasting performance for your vehicle.