This high-quality fan spacer is designed to fit Cummins engines K19, K38, K50, N14, and NT855. It is made by Dorman, a trusted brand in the industry, and is an essential component for engine cooling. The OE/OEM part number and manufacturer part number are both 42337, and it is made in China. This fan spacer is perfect for those looking to upgrade their engine cooling system. It is compatible with a variety of Cummins engines and is made to last. Don't miss out on this opportunity to improve the performance of your engine.