The Lubricating Oil Filter Head 3406949 is a specific unit designed for Cummins Diesel Engine models such as ISM, QSM11, ISC, and QSC. Made in China, this product is essential for maintaining the proper lubrication system of the engine. With a focus on quality and compatibility, this filter head is a crucial component for ensuring optimal performance and longevity of Cummins engines. We supply premium, precision-engineered parts specifically for Cummins engines. If you can’t find what you’re looking for in store, it doesn’t mean we’re out of stock. The possible reasons are. The product was not put on the shelves in time. The product link was invalid. The keyword you searched for was incorrect. Your part number/machine model/serial number was incorrect. Category restrictions, more optional models cannot be uploaded. Therefore, please be sure to contact our customer service to inquire whether the goods you need are actually in stock. We art confident that we can provide the parts you need. We will respond within 24 hours. All parts’s photos are our original work, and any unauthorized use will be pursued.