2 0 Cummins NTA400 Engine for a 1977 Western Star 4900 Contact for price NTA400 SMALL CAM HAS JAKES CORE!!, Serial#: GET, Horse Power: 000 ConditionUsedFits To Make(s)Western StarFits To Model(s)4900Will Fit Year(s)1977Stock Number91525-1 MLS Number13820075CategoryEngines Last Updated9/18/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info