Komatsu Piston 3D95S 6204-31-2121 diesel engine

Komatsu Piston 3D95S 6204-31-2121 – OEM Quality

✅ In stock – order now!

📄 Product Description:

This piston is made for the Komatsu 3D95S diesel engine, widely used in compact machinery such as mini excavators, forklifts, and industrial rollers. Built to OEM specifications, it ensures excellent fit, strong compression, and reliable performance under thermal and mechanical stress. Ideal for engine overhaul.

🔧 Compatibility:

Engine model:

  • Komatsu 3D95S (3-cylinder diesel, NA or turbocharged)

Applications:

  • Mini excavators

  • Forklifts

  • Rollers and compactors

  • Industrial machinery and generators

🔁 Cross-reference part number:

  • 6204-31-2121

🛠️ Specifications:

  • Piston diameter: 95 mm

  • Piston height: ~110 mm

  • Pin diameter: 34 mm

  • Combustion chamber: Concave or turbo-type (depends on variant)

  • Material: High-strength aluminum alloy

  • Condition: New

  • Warranty: 6 months

  • Packaging: OEM box or export-grade crate

  • Shipping: Worldwide delivery available

🔍 Key Features:

  • OEM quality – matches Komatsu specifications

  • Excellent heat and wear resistance

  • Suitable for compact heavy-duty machines

  • Perfect for rebuilding 3D95S diesel engines

    Description

    Piston for Komatsu 3D95S diesel engine. OEM quality, compact and durable design, high-precision machining ensures reliable engine operation. Reference: 6204-31-2121.

    Additional information

    Catalog number 6204-31-2121
    City

    Guangzhou

    Manufacturer

    Komatsu