6 0 2007 Freightliner MT45 EGR Cooler for a Freightliner MT45 Chassis Newly Listed $350 USD ISB CM850 EGR Cooler, Part # 3957199, 4337538. All Used Engine Parts Sold With a 30 Day “Parts Only†Warranty. In The Event Of Failure, The Used Engine Part Will Be Replaced Or A... ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)MT45 ChassisStock NumberUPS-666441-37 MLS Number13888151CategoryEGR Coolers Last Updated10/15/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info