4 0 2007 Cummins ISB Engine Oil Cooler for a Freightliner MT45 Chassis $75 USD ISB CM850 Oil Cooler Core, 3959031, 4896407, All Oil Coolers sold with a 30 day “parts only†warranty. In the event of failure, the Oil Cooler will be replaced or a refund will be... ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)MT45 ChassisStock NumberUPS-666441-20 MLS Number13888134CategoryEngine Oil Coolers Last Updated10/30/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info