2H4739 Lock for Caterpillar

2H4739 is a lock-type hardware part identified as a flat washer for Caterpillar marine engines. It is used with Caterpillar D353C, D353D, and D353E engine models and is intended for use with a 1 1/4-inch bolt. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed under the Caterpillar equipment brand for the specified marine engine application. The available product data identifies its material as steel and provides dimensional information for the inner diameter, outside diameter, and thickness.

Fitment

• Caterpillar D353C marine engine
• Caterpillar D353D marine engine
• Caterpillar D353E marine engine

The listed fitment is limited to the Caterpillar D353C, D353D, and D353E models. The equipment category specified for this part is Caterpillar marine engine hardware.

Cross-reference numbers

• 2H4739
• 2H-4739

2H4739 and 2H-4739 are number formats associated with the same part designation. The part name in the available data is Caterpillar LOCK.

Specifications

The listed dimensions are 1.406 inches for the inner diameter, 3.25 inches for the outside diameter, and 0.478 inches for the thickness. The specified material description is steel. The compatible bolt size is given as 1 1/4 inches.

The product data records the package or part dimensions as 15.24 cm in length, 12.7 cm in width, and 2.54 cm in depth, with a stated weight of 0.1 lb. No additional components are identified as included with the part.