13 0 2007 Cummins ISB Engine Block / Cylinder Block for a Freightliner MT45 Chassis Contact for price ISB CM850 Cylinder Block, Visual Inspection, Part # 3979008. All Used Engine Parts Sold With a 30 Day “Parts Only†Warranty. In The Event Of Failure, The Used Engine Part Will Be... ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)MT45 ChassisStock NumberUPS-666441-36 MLS Number13888150CategoryEngine Blocks / Cylinder Blocks Last Updated10/30/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info