Interstate-McBee 1425868 Crankshaft Rear Seal Assembly – Caterpillar Engines

The Interstate-McBee 1425868 Crankshaft Rear Seal Assembly is a high-quality aftermarket engine component designed to help prevent oil leaks at the rear of the crankshaft. Engineered for select Caterpillar diesel engine applications, this seal helps maintain proper oil containment and supports reliable engine performance in heavy-duty equipment and commercial applications.

Manufactured by Interstate-McBee, this replacement crankshaft seal is designed for dependable service in demanding diesel engine environments. It is suitable for engine repairs, maintenance, and overhaul projects where proper crankshaft sealing is essential.

Product Features

• Brand: Interstate-McBee

• Part Number: 1425868

• Part Type: Crankshaft Rear Seal Assembly

• Application: Select Caterpillar diesel engines

• Function: Helps prevent engine oil leakage at the rear crankshaft

• Use: Engine repair, maintenance, and overhaul

• Product Type: Aftermarket replacement engine component

Compatible Applications

Select Caterpillar engine families, including:

• 3400 Series

• 3406 / 3406E

• 3408

• C15

• C16

• C18

Important: Verify engine serial number and application requirements before ordering to ensure proper fitment.

Cross-Reference Part Numbers

• Caterpillar 1425868

• Caterpillar 142-5868

• Caterpillar 1308107

• Caterpillar 130-8107

• Caterpillar 2W1734

• Caterpillar 2W-1734

• Caterpillar 4P2734

• Caterpillar 4P-2734

• Interstate-McBee M-1425868