This aftermarket overhaul rebuild kit is designed for the Caterpillar C3.3T engine, delivering reliable performance, durability, and cost-effective restoration. It includes all essential engine parts such as pistons, semi-finished liners, bearings, valves, and gaskets—ensuring smooth operation and extended service life.

Note: To confirm the correct overhaul kit for your engine, please provide the Engine Serial Number or pictures of your engine’s nameplate before purchase.

Compatible Applications

• Engine Model: Caterpillar C3.3T

• Fits Generators: DE50E0, DE55E0, DE65E0, DE50E2, XQP30

Replacement Part Numbers

CA5081899, 508-1899, 5081899, 277-6275, 225-5437, 233-7232, 2776275, 2255437, 2337232, CA2776275, CA2255437, CA2337232

Kit Contents

• 1 Set Overhaul Gasket Kit

• 1 Set Cylinder Liners (semi-finished, require machining)

• 1 Set Pistons STD

• 1 Set Piston Pins

• 1 Set Snap Rings

• 1 Set Rod Bushings

• 1 Set Piston Rings STD

• 1 Set Main Bearings

• 1 Set Rod Bearings

• 1 Set Thrust Washer

• 1 Set Intake/Exhaust Valves

• 1 Set Valve Guides

• 1 Set Intake/Exhaust Valve Seats

Key Features

• ✅ Complete engine rebuild solution for Caterpillar C3.3T

• ✅ Semi-finished liners for precise machining and fit

• ✅ High-quality aftermarket replacement parts

• ✅ Suitable for Caterpillar generators (DE & XQP series)

• ✅ Restores performance and extends engine service life