This is a high-quality oil cooler designed specifically for Caterpillar CAT C15 diesel engines. It is a genuine OEM part with the OE/OEM part number 239-7851 and manufacturer part number 239-7851. The oil cooler is made in the United States and is an essential component for engine cooling. It is compatible with various car and truck parts and accessories and falls under the category of engine oil coolers and lines, engine cooling components, and parts and accessories Motors.