4N4431 Gasket Fuel Injection Pump

4N4431 is a beaded gasket for the fuel injection pump on Caterpillar equipment. It is used with Caterpillar generator sets, industrial engines, and truck engines where the listed engine or machine model is applicable. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 4N4431 and is also written in the equipment manufacturer’s part-number format as 4N-4431. The product category is Beaded Gaskets. The available catalog information identifies the component as a fuel injection pump gasket rather than a complete fuel injection pump assembly.

Fitment

The gasket is listed for the following Caterpillar equipment and engine models or series:

• SR4 generator sets
• 3304 engines
• 3306 engines
• D330C engines
• D333C engines
• 1673C engines

Fitment is determined by the Caterpillar model designation and the corresponding fuel injection pump application. The model list above reflects the available catalog data for SKU 4N4431. No additional Caterpillar models are specified in the supplied product information.

Application area: fuel injection pump gasket. Equipment type references in the catalog include generator equipment, industrial engines, and truck engines. The part should be matched against the machine or engine model and the existing gasket identification before installation.

Cross-reference numbers

• 4N4431 — product SKU
• 4N-4431 — hyphenated part-number format

4N4431 and 4N-4431 refer to the same catalog identification for this gasket. No additional supplier or equipment manufacturer cross-reference numbers are provided in the available product data.

Specifications

The stated dimensions are 10.7 cm in length, 3.1 cm in width, and 0.08 cm in depth. The listed weight is 0.01 lb. The available specification data does not identify the gasket material, thread details, mounting position, or any additional components supplied with the part.