2 0 Cummins ISB 6.7L Crankshaft for a Cummins ISB6.7 $150 USD Good used, cleaned and inspected Cummins ISB6.7 crankshaft adapter. Part number: 3960058. Quantity2ConditionUsedFits To Make(s)CUMMINSFits To Model(s)ISB6.7Part Number3960058Stock NumberRyd 3960058 MLS Number12838728CategoryCrankshafts Last Updated11/3/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info