This HEPU 21-0373 chain kit is specifically designed for the oil pump drive system. It is engineered to provide durable and efficient performance, ensuring the proper lubrication of your engine. Proper functioning of the oil pump is critical for engine longevity. This kit includes all necessary components to replace the worn or damaged chain and associated parts, restoring optimal oil flow and pressure. HEPU is known for its quality engine components. This chain kit is manufactured to meet stringent standards, offering a reliable solution for maintaining your vehicle's oil circulation system.