4B3938 Plug for Caterpillar Equipment

The 4B3938 plug is a hardware spare part used in Caterpillar equipment, including Caterpillar articulated dump trucks and Caterpillar Challenger machines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a plug with a specified hole diameter of 28.95 mm (1.14 in.). The available application data lists this part for the Caterpillar machine models and model variants shown below. The manufacturer of the equipment is Caterpillar; CTP is the manufacturer of this aftermarket spare part.

Fitment

• Caterpillar D250E
• Caterpillar D250E II
• Caterpillar D300E
• Caterpillar D300E II
• Caterpillar D350E
• Caterpillar D350E II
• Caterpillar D400E
• Caterpillar D400E II
• Caterpillar 65C

The listed applications cover Caterpillar articulated dump truck equipment and Caterpillar Challenger equipment. Fitment is stated for the model designations above; no additional machine models are included in the available part data.

Cross-reference numbers

Reference number 4B3938 is used both as the product SKU and as a listed equipment manufacturer number. The number 1S8681 is also listed as a corresponding aftermarket part number.

Specifications

The dimensional values are provided as supplied for the part: the hole diameter is given in millimetres and inches, while the external dimensions are given in centimetres. The listed weight is approximate. Position, material, and any included components beyond the plug are not identified in the available technical information.