Full 4-Cylinder Piston Group : Engine rebuild package includes four standard size pistons matching rings wrist pins and retainers for a total top end rotating assembly replacement. Precision 102mm STD Bore Fitment: Specifically designed for Cummins 3.9L 4BT diesel motors using original factory specifications to ensure perfect cylinder wall clearance plus restored compression. Thermal Resistant Aluminum Construction: Manufactured from high-grade eutectic alloy providing superior durability under high boost conditions or extreme industrial work environments without warping. Verified Equipment Compatibility : Fits Case IH windrowers 8860 8870 along with various backhoes skid steers and stationary power units requiring genuine quality internal parts. Direct OEM Interchange References: Cross-listed with part numbers 3928673 and 3802747 to guarantee correct application for 1915 1902 1948 or 1961 series Critical Parts Lists.

4BT3.9 Engine Overhaul Rebuild Kit STD fits Cummins Engine- OEM Quality Gurantee. 4BT3.9 Engine Overhaul Rebuild Kit STD fits Cummins Engine- Genuine Cumins Gaskit Set Quality assured parts. Application:For Cummins 4BT 3.9 Engine. Model:Case 570LXT 580K 580L W11B Backhoe Loader. This kit comes with the following parts. 4x Pins & clips. 4x Cylinder Liners, Semi-finished It could be polished according to your needs. 1x Main Bearing Set. 1x Rod Bearings Set. 1x Main Crankshaft Bearing Bush Set. 1x Connecting Rod Pin Bush Set. 4x Intake Valves with Seats. 4x Exhaust Valves with Seats. 4x Intake Valve Seats. 4x Exhaust Valve Seats. 1x Thrust Washer Set (Upper & Lower). 1x Full Gasket Set (Upper Gasket & Lower Gasket)- Cummins Genuine. If other sizes are needed, please Conatct us. Cummins 4BT 3.9L Engine-Case 570LXT 580K 580L W11B Backhoe Loader. Return are Accepted for Manufacturing Defect, Pls check listing details or feel free to seek dimensions, lets work on 1st time right. So please try to give your complete address with Telephone number. We do same for our buyers. Listing and template services provided by inkFrog.