3S4031 Piston Ring Set for Caterpillar Equipment

The 3S4031 piston ring set is a piston ring group used in Caterpillar equipment and engines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified in the supplied application data as a piston ring group for Caterpillar tracked bulldozers, ship equipment, industrial engines, and pipe-layers. The listed applications and cross-reference numbers are provided below for part identification and equipment selection.

Fitment

• Caterpillar D8H tracked bulldozer
• Caterpillar D8K tracked bulldozer
• Caterpillar D342 ship equipment
• Caterpillar D342C ship equipment
• Caterpillar D342 industrial engine
• Caterpillar D342C industrial engine
• Caterpillar 583K pipe-layer

The fitment list includes the Caterpillar equipment and engine models specified for piston ring group 3S4031. Verify the part number and machine or engine identification before installation when several configurations are available for the same model series.

Cross-reference numbers

Part numbers 3S4031 and 3S-4031 identify the same piston ring group designation in the supplied product data. Number 7M9177 is listed as an interchangeable cross-reference for this application. Use the number stamped or recorded for the existing piston ring group when checking compatibility.

Specifications

The dimensions and weight above refer to the product data for the 3S4031 piston ring set. No additional information about ring count, ring material, individual ring profiles, bore size, or included installation components is specified for this part.