PAI 336012 Rear Crankshaft Seal – Caterpillar 3406 / 3406E / C15 / C16 / C18

The PAI 336012 Rear Crankshaft Seal is a heavy-duty replacement rear main seal designed for select Caterpillar diesel engines. This seal helps prevent engine oil leakage at the rear of the crankshaft and is suitable for engine rebuilds, clutch and flywheel service, and other major engine repairs.

Designed for Caterpillar 3400 Series, 3406, 3406E, 3408, C15, C16, and C18 engine applications, the PAI 336012 features a 6.060-inch free ID, 7.340-inch OD, and 0.750-inch width. PAI identifies this as a rear crankshaft seal for Caterpillar applications.

Features

• PAI Industries replacement rear crankshaft seal
• Designed for heavy-duty Caterpillar diesel engines
• Helps prevent rear main oil leaks
• 6.060" free inside diameter
• 7.340" outside diameter
• 0.750" width
• Counter-clockwise rotation application
• Suitable for engine rebuild and repair applications

Applications

• Caterpillar 3400 Series
• Caterpillar 3406
• Caterpillar 3406E
• Caterpillar 3408
• Caterpillar C15
• Caterpillar C16
• Caterpillar C18

Always verify engine model and existing seal dimensions before ordering.

Cross Reference Numbers

• PAI 336012
• Caterpillar 142-5868
• Caterpillar 1425868
• Caterpillar 130-8107
• Caterpillar 1308107
• Caterpillar 2W-1734
• Caterpillar 2W1734
• Caterpillar 4P-2734
• Caterpillar 4P2734

Specifications

Brand: PAI Industries
Part Number: 336012
Product Type: Rear Crankshaft Seal
Engine Manufacturer: Caterpillar
Free ID: 6.060" / 153.92 mm
OD: 7.340" / 186.43 mm
Width: 0.750" / 19.05 mm
Rotation: Counter-clockwise
Condition: New