7W4581 Inlet Gasket

The 7W4581 Inlet Gasket is a beaded gasket used to seal the joint between mating inlet components on Caterpillar equipment. The part is identified by the numbers 7W4581 and 7W-4581. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gasket is installed at the inlet connection where the mating surfaces are compressed against the sealing element. Its listed application covers several Caterpillar machine types, including road rollers, excavators, loaders with telescopic arms, backhoe loaders, asphalt pavers, and cold milling equipment.

Fitment

• Road rollers: CP-323, CP-433B, CS-323, CS-431B, CS-433B.
• Excavators: 205, 206, 212, 213, 214.
• Loaders with telescopic arm: RT50, RT50SA, RT60, RTC60.
• Backhoe loaders: 416, 416B, 416C, 426, 428, 428B, 428C.
• Asphalt pavers: AP-800, AP-800B.
• Cold milling machine: PR-75.

The listed fitment identifies the machine series and model designations associated with this gasket. The part should be matched with the equipment model and the number stamped or listed for the gasket being replaced before installation.

For backhoe loader applications, the available model information includes the 416, 416B, 416C, 426, 428, 428B, and 428C models. For road roller applications, the listed models are CP-323, CP-433B, CS-323, CS-431B, and CS-433B. The excavator application list contains models 205, 206, 212, 213, and 214.

Cross-reference numbers

• 7W4581
• 7W-4581

7W4581 and 7W-4581 are two number formats used to identify the same inlet gasket. The first format is used as the SKU in this listing, while the second format includes the hyphen commonly used in equipment parts numbering.

Specifications

The listed overall dimensions are 4 in in length, 4 in in width, and 0.1 in in height. The listed weight is 0.1 lb. The available data does not specify the gasket material, thread information, fastening hardware, or any additional components supplied with the part.