Part number: E11009 Fitment: Compatible with Onan Cummins RV Generator Replaces Onan 149-2331-02, Cummins A047N923 A029F891 Features: 100 percent tested throughout the entire manufacturing process for worry free, out-of-the-box performance,so it would have oil stain on the surface of fuel pump. Aftermarket Premium High Quality Check part numbers to ensure proper fit,well connect can help the pump work better