Komatsu Piston 4D105-3 6130-32-2110 / 6131-31-2110 / 6131-31-2120 / 6131-32-2120 / 6130-31-2100 / 6130-31-2140

Komatsu Piston 4D105-3 6130-32-2110 / 6131-31-2110 / 6131-31-2120 / 6131-32-2120 / 6130-31-2100 / 6130-31-2140 – OEM Quality

✅ In stock – order now!

📄 Product Description:

This piston is made for the Komatsu 4D105-3 diesel engine, commonly used in medium-sized construction equipment such as excavators, loaders, and road machinery. Manufactured to OEM specifications, it provides precise fit, reliable compression, and excellent resistance to heat and load – ideal for full engine rebuilds.

🔧 Compatibility:

Engine model:

• Komatsu 4D105-3 (4-cylinder diesel engine, NA or turbocharged)

Applications:

• Excavators

• Loaders

• Road and construction machinery

• Generator equipment

🔁 Cross-reference part numbers:

• 6130-32-2110

• 6131-31-2110

• 6131-31-2120

• 6131-32-2120

• 6130-31-2100

• 6130-31-2140

🛠️ Specifications:

• Piston diameter: 105 mm

• Piston height: ~120 mm

• Pin diameter: 36 mm

• Combustion chamber: Concave or turbo-type (depending 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 – meets Komatsu standards

• Excellent durability under load and heat

• Reliable for industrial engine rebuilding

• Perfect for restoring Komatsu 4D105-3 engines