This secondary air injection pump by ACDelco is the perfect fit for your 2001 or 2002 Chevy Express. It is a reliable and high-quality replacement part that will help keep your exhaust and emission systems running smoothly. With its durable construction and expert craftsmanship, this pump is sure to last for years to come. The manufacturer part number 215-425 ensures a perfect fit and compatibility with your vehicle. This pump is ideal for those looking to maintain the performance of their Chevy Express without worrying about the condition of their current pump. Trust in ACDelco for all your car and truck parts needs.