Weber 63008 17" Chamber for 22" Smokey Mountain Cooker Weber part # 63008 Charcoal Chamber for 22.5" Smokey Mountain Cooker from 2009. Please visit Weber's website at http://help.weber.com/schematics/#serial-number to ensure you order the correct parts for the specific year of your grill model. Parts can appear to be identical but not fit certain year models. It is best to look up by serial number. The link will also help you find the alpha-numeric serial number.