Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This high-quality piston, identified by part number 6211-31-2111, is specifically designed for the Komatsu 6D140 diesel engine family. With a precise chamber size of 92mm, this component meets OEM dimensional standards, ensuring a reliable fit and consistent performance for heavy-duty machinery.
Engineered to withstand the extreme pressures and temperatures within a diesel combustion chamber, this piston is a critical replacement part for maintaining engine power and efficiency. It is commonly used in various Komatsu construction and industrial equipment powered by the 6D140 engine.
Key Features & Benefits
Precision Engineering: Manufactured to OEM size specifications (92mm chamber) for exact fitment and reliable compression in 6D140 engines.
Durable Construction: Built from high-strength materials designed to withstand thermal stress and mechanical load, extending engine life.
Direct Replacement: Part number 6211-31-2111 ensures straightforward identification and replacement of worn components.
Optimized Combustion: The precisely machined piston chamber design promotes efficient fuel burn, contributing to better power output and fuel economy.
Rigorous Testing: Each unit undergoes outgoing inspection and machinery test reports to guarantee performance standards.
Versatile Application: Suitable for a wide range of heavy equipment including excavators, loaders, bulldozers, and trucks using the 6D140 engine.
Technical Specifications
Specification
Details
Part Number
6211-31-2111
Engine Model
6D140
Type
Piston
Chamber Size
92mm
Engine Type
Diesel
Material
High-Strength Alloy (OEM Standard)
Size Classification
OEM Size
Weight (kg)
8
Place of Origin
Guangdong, China
Warranty
6 Months
OEM Cross-Reference
This piston is a direct replacement for the following OEM part numbers:
Komatsu Part Number: 6211-31-2111
Note: Always verify your engine’s specific serial number and existing piston size (standard or oversized) to ensure correct compatibility.
Compatibility
This piston is specifically designed for engines in the Komatsu 6D140 series. It is commonly used for the following applications:
Engine Models: Komatsu 6D140
Vehicle/Equipment Applications: Excavators, Forklifts, Trucks, Loaders, Bulldozers, Buses, and other heavy industrial machinery.
Fitment is inferred based on the engine model; please consult your equipment’s service manual for exact part verification.
Global Supply & Distribution
We offer worldwide shipping capabilities to support B2B buyers across the globe. Our distribution network ensures fast and reliable delivery to major industrial centers and ports, including:
North America: Los Angeles, Houston, New York, Toronto
Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
Asia-Pacific: Singapore, Shanghai, Dubai, Sydney
Middle East & Africa: Jebel Ali, Durban, Lagos
With extensive export experience, we ensure proper documentation, packaging, and customs compliance for smooth international trade.
Quality Assurance
We prioritize quality at every stage of production. Key quality measures include:
Inspection: Video outgoing inspection is provided to verify product condition before shipment.
Testing: Machinery test reports are available to confirm dimensional accuracy and performance.
Warranty: This product is backed by a 6-month warranty against manufacturing defects.
Packaging: Securely packed in plastic bags, boxes, and cartons to prevent damage during transit.
FAQ
Q: Is this piston a direct fit for my Komatsu 6D140 engine?
A: This piston (part 6211-31-2111) is an OEM-size component designed for the 6D140 engine family. However, we recommend verifying your engine’s specific serial number and confirming whether you require a standard or oversized piston to ensure a perfect match.
Q: What is the installation requirement for this piston?
A: Proper installation is critical for engine performance. We recommend having the piston installed by a qualified diesel mechanic. Standard procedures include cleaning the cylinder bore, checking ring end gaps, and lubricating the piston and rings before assembly. Always follow the manufacturer’s torque specifications for connecting rod bolts.
Q: How should I store this piston if I am not installing it immediately?
A: Store the piston in a clean, dry environment. Keep it in its original packaging to protect it from dust, moisture, and physical damage. Avoid exposing the piston to extreme temperatures or corrosive substances to maintain its surface finish and dimensional integrity.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.