When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
does the bosch water pump part#99175 use a 2-piece thermostat and housing like a 2004+ ls1, or does it use a 1-piece thermostat like a 2003 and older ls1? thanks. -bob