The product is a Pronto Engine Oil Filter with the manufacturer part number PO4651. It is designed as an oil filter for various car and truck models, featuring interchange part numbers PZ-42, 51372, PH820, PF1250, LF110, PH2, L24651, FL820, and M4651. The listing emphasizes free shipping and returns, making it convenient for customers to purchase and potentially return the product if needed. This oil filter ensures proper maintenance of the engine by filtering out impurities and maintaining the quality of the engine oil.