This ACDelco thermostat is a high-quality replacement part for your vehicle's engine cooling system. It is designed to fit perfectly in your engine and maintain the optimal temperature for optimal performance. The thermostat is compatible with various GM models and has a manufacturer part number of 131-160. It also has an interchange part number of 89018168 and an OE/OEM part number of 89018168. The thermostat is made by ACDelco, a trusted brand in the automotive industry. It is perfect for those looking to replace their old or damaged thermostat without compromising on quality. This product is ideal for use in cars and trucks and is part of the eBay Motors category. Get your engine running smoothly again with this reliable and durable thermostat.