3B0623 Core Plug for Flywheel Housing Pinion Shaft Hole

The 3B0623 Core Plug is a hardware component used in the flywheel housing pinion shaft hole of Caterpillar equipment. It is used on Caterpillar articulated dump trucks, including the models and model series listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a core plug for the flywheel housing pinion shaft hole. The Caterpillar equipment brand name indicates the machines on which the part is used and does not identify the manufacturer of this spare part.

Fitment

The 3B0623 core plug is used on the following Caterpillar articulated dump truck models:

• Caterpillar 725
• Caterpillar 730
• Caterpillar 735
• Caterpillar 740
• Caterpillar D250E
• Caterpillar D250E II
• Caterpillar D300E
• Caterpillar D300E II
• Caterpillar D350E
• Caterpillar D350E II

Fitment is specified for the flywheel housing pinion shaft hole. Compatibility should be checked against the machine model, serial number, and the part number installed on the equipment before ordering.

Cross-reference numbers

The following numbers are listed as identification or interchange references for this core plug:

Part number references may appear with or without the hyphen: 3B0623 and 3B-0623. The listed interchange numbers are 0L1023, 2B5559, 3B4670, and 3B623.

Specifications