View 5 Photos View 0 Videos 2001 Cummins ISB Valve Cover for a Freightliner MT55 Chassis Price Drop $100 USD ISB 5.9L 24 Valve, Valve Cover, Part # 3945799, 3942136 ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)MT55 ChassisStock NumberUPS-659151-12 MLS Number13890197CategoryValve Covers Last Updated4/21/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info