Overhaul Kits Description
This Overhaul Kits is indexed for Part Number; Models with Isuzu 3KR1 EngineRefer Sumitomo S90 S90FX Excavator,not only these models. Content: 1 Set of Overhaul Gasket Kit 3 Cylinder Liners 3 Pistons STD 3 Piston Pins 6 Snap Rings 3 Rod Bushings Set Rings For 3 Pistons STD 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearings 3 Intake Valves3 Exhaust Valves. Compare reference number 3KR1 against the label on your existing Isuzu component before ordering.
Before checkout, compare OEM part number 3KR1, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




