This GM 90573616 timing belt pulley assembly is a high-quality replacement part for your 2000-2004 Saturn, Cadillac, or Saab V6 engine. The pulley is made of steel with a matte finish and weighs 1 lb. It is a vintage part manufactured in France and comes with an OE number of 90573616, interchange part number of 337185A, and manufacturer part number of 90573616. This timing belt pulley is a tensioner and pulley component that ensures the proper operation of your engine's timing belt system. It is a genuine ACDelco (OE) brand and does not come with a manufacturer warranty. Use this part as a replacement for your worn-out or damaged timing belt pulley and experience smooth engine performance once again.