Replacement Engine Overhaul Kit for Caterpillar ® 3304/3306 Applications 3306

What’s Included

Keep your diesel engine running optimally for less with one of our Caterpillar 3306 DI (Direct Injected) Engine Rebuild Kits

Serial Number Prefixes: 8Z, 10Z, 13Z, 1AF, 3N79763-UP, 63Z, 5KD, 8TD, 6NC, 7JB, 7RJ, 9TL

***If you do not see your serial number prefix, please contact us at 888.642.6460 and we will confirm the correct kit for your engine.

Overhaul Rebuild Kit:

6 x Liner Kits (Includes set of crevice seals)

6 x Piston

6 x Piston Ring-Sets

6 x Piston Pins & Retainers

1 x Overhaul Gasket Set

1 x Main Bearing Set (Std.)

1 x Rod Bearing Set (Std.)

1 x Thrust Washer Set

1 x Set of Injector O-Rings

1 x Rocker Cover Gasket

1 x Oil Pan Gasket

1 x Front Crank Seal

1 x Rear Crank Seal

Application & Fitment

• Engine Make: Caterpillar
• Engine Model / Application: 3304/3306

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• Interstate-McBee Reference: MCOH3306

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.