6D140-7 Piston 6266-31-2110 for Komatsu Engine Parts, Excavator & Industrial Applications

Product Details

Product Overview

This high-quality 6D140-7 Piston (Part Number: 6266-31-2110) is a critical engine component specifically designed for use in Komatsu diesel engines. Manufactured to OEM specifications, this piston is an ideal replacement part for maintaining the performance and reliability of heavy machinery.

While commonly associated with Komatsu equipment, this piston is suitable for a wide range of industrial applications, including excavators, bulldozers, loaders, forklifts, trucks, and buses that utilize the 6D140-7 engine platform. At, we ensure this component meets the rigorous demands of B2B operations, providing a direct fit and long service life. Please verify your specific engine model (6D140-7) and OEM part number (6266-31-2110) to confirm compatibility before purchase.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to the exact size and dimensions as the original part (OEM Size), ensuring a seamless installation and optimal engine performance without modifications.
• Enhanced Durability: Built from high-strength materials to withstand the extreme pressures and temperatures within a heavy-duty diesel engine, reducing wear and extending engine life.
• Precision Engineering: Each piston is machined to tight tolerances (including pin bore and ring groove dimensions) to ensure a perfect seal, reduced oil consumption, and maximum compression.
• Rigorous Quality Control: Subject to a Machinery Test Report and outgoing video inspection to guarantee dimensional accuracy and structural integrity before shipment.
• Versatile Application: Engineered for the 6D140-7 engine, making it a reliable choice for various heavy machinery, from construction sites to logistics fleets.
• Trusted Supply Chain: Sourced from a reputable manufacturer in Guangdong, China, with a focus on consistency and quality for the global aftermarket.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM part numbers:

• 6266-31-2110 (Primary OEM Number)

Note: Please verify your specific application as other cross-references may apply based on the engine serial number.

Compatibility

This 6D140-7 piston is commonly used for the following applications:

• Engine Models: Komatsu 6D140-7
• Vehicle Applications: Excavator, Bulldozer, Loader, Forklift, Truck, Bus, and other industrial machinery utilizing the 6D140-7 diesel engine.

Global Supply & Distribution

is a global supplier of heavy-duty engine components. We offer worldwide shipping capabilities to major markets including North America, Europe, Asia-Pacific, the Middle East, and South America. Our logistics network ensures fast and reliable delivery to major ports and industrial centers. With extensive export experience, we are well-versed in international trade compliance, ensuring a smooth procurement process for B2B buyers worldwide.

Quality Assurance

We are committed to providing high-quality parts that meet or exceed OEM standards. Each piston undergoes a Machinery Test Report and a Video Outgoing Inspection to verify quality. Our products are backed by a 6-month warranty, providing peace of mind for your operational needs. We adhere to strict manufacturing processes to ensure consistency and durability in the field.

FAQ

Q1: Is this piston a direct replacement for my Komatsu engine?
A: Yes, this part (6266-31-2110) is designed to be a direct replacement for the Komatsu 6D140-7 engine. It is manufactured to OEM size specifications. However, we always recommend checking your engine serial number and the physical dimensions of your old piston to confirm fitment.

Q2: What is included in the packaging?
A: The package includes one (1) piston. It is securely packed in a plastic bag, then a box, and finally a carton to prevent damage during transit. Piston rings are typically sold separately unless specified otherwise in your order.

Q3: How should I store this piston before installation?
A: Store the piston in a clean, dry environment away from moisture and dust. Keep it in its original packaging until installation to prevent scratches or contamination. Avoid exposure to extreme temperatures. Proper storage ensures the piston’s surface finish and dimensional integrity are maintained.