Bosch Reman This remanufactured fuel injector is designed for Detroit Diesel Series 50/60 engines. It is made by Bosch, a trusted brand in the automotive industry. The manufacturer part number is RB5234865. The fuel injector is a key component in the air intake and fuel delivery system of a commercial truck, and is responsible for ensuring that the engine runs smoothly and efficiently. With this replacement part, you can keep your truck running at its best and extend its lifespan.