1999 Sterling Truck L8513 Engine: 7.2L L6 DIESEL; Position: Lower - Engine To Pipe;. 2000 Sterling Truck L8513 Engine: 12L -6 DIESEL; Position: Upper - Engine To Pipe;. 2000 Sterling Truck L8513 Engine: 7.2L L6 DIESEL; Position: Lower - Engine To Pipe;.
