0 Cummins ISX, , Engine Assys, Fits to: , Reviva Reman/Rebuilt Long Block Supreme - 2003-2007 - Cummins ISX 15 - CM870 - CPL 8520 - HP 400 - EPA 04 Long Block Supreme Includes the following - Block - Crankshaft - Cylinder Head - Pistons - Piston Assemblies - Connecting Rods - Upper Gasket Kit - Flywheel Housing - Water Pump - Oil Pan - Oil Pump - Oil Filter - Oil Cooler/Filter Base - Front Gear Housing - Gasket Set - Water Filter - Fuel Filter - Front and rear seals installed - Front cover - Camshaft - Crankcase Breather Element - Valve Cover - Valve Train ( Rocker Arms) - Injector REVIVA S TESTING Every engine is machined using state-of-the-art equipment and assembled using precise and repeatable methods. All engine production follows documented lean manufacturing processes and principles to create consistent quality and dependable outcomes. Reviva s Short Block, Long Block, and Long Block Supreme are 100% Sim tested before shipment. WARRANTY COVERAGE Long Block configurations: 1 year/unlimited mileage. Motorhome/RVMotorhome/RV Applications: 1, Horse Power 400, Serial# CSN, ARR/CPL 8520