View 12 Photos View 0 Videos Cummins ISB 6.7L Fuel Line, Part # P-12688 $25 USD Good, used fuel line from a Cummins ISB 6.7L engine. The fuel line has been inspected and appears to be in good working condition. There is no visible damage to the fuel line. There is minor... ConditionUsedPart NumberP-12688Stock NumberP-12688 MLS Number11830823CategoryEngine Miscellaneous Parts Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info