This Auto Plus/Cardone Industries secondary air injection pump is an excellent addition to your GM vehicle. It is designed to pump air into your exhaust system to reduce emissions and improve fuel efficiency. The pump is compatible with various GM models and comes with a smog pump, pipe, gasket, and instruction sheet for easy installation. The drive type of this pump is belt driven pulley, which is not included. It has an OE/OEM part number of 7832872 and 7835397 and comes with no manufacturer warranty. This product is a reliable solution for those looking to improve their emissions system and is available for purchase on eBay Motors. Please see chart for fitment. No core charge on this item so no need to return core. Please recycle.