8N3723 Exhaust Valve for Caterpillar Equipment

8N3723 is an exhaust valve used in engines and engine-related equipment manufactured by Caterpillar. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The valve is identified as an exhaust valve for Caterpillar engine, generator, marine, and industrial engine applications. The available application data includes the D398 and D399 engine families, with specific references to D398A, D398B, and D399 equipment.

Fitment

The available fitment information identifies the part for the following Caterpillar equipment and engine applications:

• Caterpillar D398 engine and industrial engine applications
• Caterpillar D398A marine equipment applications
• Caterpillar D398B engine, generator, marine, and industrial applications
• Caterpillar D399 engine, generator, marine, and industrial applications

Application of an exhaust valve depends on the engine configuration and the equipment identification. The part number should be checked against the engine model and the existing valve before installation.

Cross-reference numbers

The following part numbers are listed as interchangeable references for 8N3723:

• 8N3723
• 3119472
• 3N1141
• 4H9804
• 4N6883
• 6H3187
• 8H7097

Part numbers in the cross-reference list may be used in equipment manufacturer or supplier catalogs to identify the same exhaust-valve application. The correct reference should be confirmed with the engine model and service-part documentation.

Specifications

The listed dimensions and weight are the available catalog specifications for this part. The product is supplied as an exhaust valve; no additional components or installation kit are specified in the available data.