3H2389 O-Ring Seal for Caterpillar Equipment

The 3H2389 is an O-ring seal used on Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 3H2389 and by the spaced part-number format 3H-2389. It is listed as an O-ring seal with a silicone sealing material, a 1.5-inch internal diameter, and a 0.16-inch cross-section diameter. The supplied application data includes Caterpillar ship equipment and the D337, D375D, and D397D models.

Fitment

The following Caterpillar equipment applications are specified for part number 3H-2389:

• Caterpillar ship equipment
• Caterpillar D337
• Caterpillar D375D
• Caterpillar D397D

Fitment should be checked against the equipment model and the part number removed from the machine before installation. The available application information identifies the equipment series listed above but does not specify a particular installation position or assembly.

Cross-reference numbers

• 3H-2389

3H-2389 is the part-number format shown for the SKU 3H2389 O-ring seal. The available product data does not provide additional supplier numbers or further manufacturer reference numbers.

Specifications

The internal diameter and cross-section diameter are stated in inches in the available technical data. The length, width, depth, and weight values are reproduced as listed product data; the source does not identify whether these values describe the individual seal or its supplied packing format.

The seal material is specified as VMQ silicone, and no coating is specified. The available information does not state the operating temperature range, hardness, pressure rating, or installation location. These parameters should not be inferred from the part number alone.