8Y4388 Lining for Caterpillar Equipment

8Y4388 is a lining used in the bearing category for Caterpillar heavy equipment. The available product data identifies the equipment brand as Caterpillar, but does not specify individual machine models or series for this part.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified as a lining and is listed under the Caterpillar reference 8Y4388.

The supplied information does not provide a model-by-model fitment list, machine serial-number range, installation position, or details of the bearing assembly in which the lining is installed. The Caterpillar brand in this description refers to the manufacturer of the equipment on which the part is used.

Cross-reference numbers

• 8Y4388
• 8Y-4388
• CA8Y4388
• 8V1661
• Caterpillar 8Y4388 LINING

The numbers listed above are identifiers supplied for this part. The available data does not distinguish whether each identifier is an equipment manufacturer number, a supplier number, or a catalog designation. Verification against the part removed from the machine and the equipment parts documentation is required when more than one identifier is used for the same lining.

Specifications

The dimensional values supplied for the part are 20.32 cm in length, 20.32 cm in width, and 2.54 cm in depth. The source data lists the weight as 0.37 and also provides a separate value of 0.5 lb; the measurement unit for the first value is not specified. No material, surface treatment, thread information, tolerance data, mounting hardware, or additional kit contents are provided.