This oil cooler housing is designed to fit Dodge Cummins diesel engines with ISZ QSZ. Made in China, it is a high-quality replacement part for your engine cooling system. The OE/OEM part number and manufacturer part number are both 4388894. Suitable for use with engine oil coolers and lines, this oil cooler housing is a crucial component for the proper functioning of your vehicle's engine cooling system. It is compatible with a range of car and truck parts and accessories, making it an ideal choice for those looking to replace their existing oil cooler housing.