This brand new 700mm cooling fan blade matches part numbers 51066010172 and 1321876. It is custom engineered to fit MAN SR truck applications perfectly. It generates strong airflow to cool down the engine, and effectively avoids overheating during regular running. Built with tough, long-lasting raw material, it stays stable at high rotation speeds and copes with tough working conditions. Produced in compliance with OEM criteria, it offers a precise fit for simple direct fitting. It is well-suited for regular vehicle servicing and swapping out broken fan blades.