2 0 Cummins ISC 8.3 Engine Oil Pump for a 2008 Sterling M7500 ACTERRA $125 USD This oil pump is used and in good condition, please see pictures. Engine Serial number 46779837. Casting number is 3991123, 3950005, 4983588, 5449240. If you have any questions feel free to... ConditionUsedFits To Make(s)SterlingFits To Model(s)M7500 ACTERRAWill Fit Year(s)2008Part NumberP-1186Stock NumberP-1186 MLS Number9632645CategoryEngine Oil Pumps Last Updated5/31/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info