1 0 1989 Mack E5 Engine for a Mack MS300P $5,500 USD Good Running Pre-tested Engine. E5-215 MIDR062030B Ask about our 6 Month / Unlimited Mile Engine Warranty Will sell the Truck Complete or the Engine Separately. Call for details. ConditionUsedFits To Make(s)MACKFits To Model(s)MS300PStock NumberMT4122177 MLS Number10892931CategoryEngines Last Updated8/5/2021 LocationEnfield, CT, US Sold ByCamerota Truck Parts (855) 750-___ SHOWNUMBERCall Seller Email Seller Save More Info