Upgrade and restore your Cummins 4BT3.9 engine with this complete overhaul rebuild kit, designed to deliver long-lasting performance and reliability. Perfectly suited for CASE excavator models 688 and 9010, this kit provides all essential components needed for a professional engine rebuild.

Application

• Fits Cummins 4BT3.9 Engine

• Compatible with CASE Excavator: 688, 9010

Kit Contents

• 1 Set of Overhaul Gasket Kit

• 4 Cylinder Liners (Semi-finished, require machining)

• 4 Pistons STD

• 4 Piston Pins

• 8 Snap Rings

• 4 Rod Bushings

• 1 Set of Piston Rings

• 1 Set of Main Bearings

• 1 Set of Rod Bearings

• 1 Set of Thrust Bearings

• 4 Intake Valves

• 4 Exhaust Valves

• 8 Valve Guides

• 4 Intake Valve Seats

• 4 Exhaust Valve Seats

Key Features

• ✅ Designed for Cummins 4BT3.9 engines

• ✅ Fits CASE 688 & 9010 excavators

• ✅ Complete solution with pistons, liners, bearings, gaskets & valves

• ✅ Semi-finished liners (require machining)

• ✅ Durable, high-quality aftermarket replacement parts