12 0 Cummins ISB 6.7L Front Engine Cover for a 2011 Blue Bird BB Conventional $125 USD Good, used Front Engine Cover from a Cummins ISB 6.7L engine. The front engine cover has been inspected and appears to be in good working condition with no damage. There is no visible damage... ConditionUsedFits To Make(s)Blue BirdFits To Model(s)BB ConventionalWill Fit Year(s)2011Part Number220538-15Stock Number220538-15 MLS Number11751860CategoryFront Engine Covers Last Updated9/25/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info