4S8902 Exhaust Valve Insert for Caterpillar Equipment

The 4S8902 exhaust valve insert is a replacement valve insert for Caterpillar engines, generator sets, industrial engines, and Caterpillar generator equipment. It is used with the exhaust valve assembly on the listed Caterpillar engine and generator models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 4S8902 and is listed in the Valve Inserts category. The equipment brand referenced for fitment is Caterpillar; Caterpillar is the manufacturer of the engines, generator sets, generators, and industrial equipment on which this insert is used.

Fitment

The 4S8902 exhaust valve insert is listed for the following Caterpillar equipment and engine models:

• Caterpillar 3408 engine
• Caterpillar 3408B engine
• Caterpillar 3408C engine
• Caterpillar 3408E engine
• Caterpillar 3412 engine
• Caterpillar SR4 generator equipment

Application categories listed for this part include Caterpillar engines, Caterpillar industrial engines, Caterpillar generator sets, and Caterpillar generators. Model and equipment identification should be checked against the engine configuration before installation, particularly where the same engine series is available in different applications.

Cross-reference numbers

The insert is identified by the following number formats:

• 4S8902
• 4S-8902

4S8902 and 4S-8902 represent the same base part number with different formatting. The number 4S8902 is used as the Caterpillar equipment manufacturer part reference and as the CTP aftermarket identification for this insert.

Specifications

The dimensions and weight above are the listed product dimensions and shipping weight data for SKU 4S8902. The exhaust valve insert should be matched with the engine model, equipment application, and corresponding part number before fitting.