Komatsu PC400-6 PC400-7 Thermostat 6212-65-2610 Excavator Engine Parts

Product Details

Product Overview

This is a high-quality replacement thermostat, specifically designed for the cooling systems of Komatsu PC400-6 and PC400-7 excavators. The part number 6212-65-2610 is a critical component for regulating engine temperature, ensuring optimal performance and preventing overheating during heavy-duty operations.

Manufactured to meet OEM size and performance specifications, this thermostat is a direct-fit component for the S6D125 and SAA6D125 engine series commonly found in these excavator models. It ensures your engine warms up quickly and maintains a consistent operating temperature, which is vital for fuel efficiency and component longevity in demanding excavation, mining, and construction applications.

As a reliable aftermarket part from, this thermostat offers a cost-effective solution without compromising on the precision required for Komatsu hydraulic excavators. It is an essential part for any maintenance or repair overhaul of the cooling system.

Key Features & Benefits

• Precise Temperature Control: Ensures the engine reaches and maintains the optimal operating temperature for efficient combustion and reduced emissions.
• Direct Fit Replacement: Designed to match the OEM size and configuration of the Komatsu PC400-6 and PC400-7, simplifying installation and saving mechanic labor time.
• Durable Construction: Built with high-grade materials to withstand the thermal stresses and corrosive environment of diesel engine coolant systems.
• Enhanced Engine Protection: Prevents overheating and overcooling, reducing wear on critical engine components like the cylinder head, gaskets, and water pump.
• Fuel Efficiency: By maintaining correct operating temperatures, this thermostat helps optimize fuel combustion, leading to lower operational costs.
• Rigorous Testing: Each unit undergoes quality control checks, with machinery test reports available upon request, ensuring reliable performance out of the box.

Technical Specifications

OEM Cross-Reference

This thermostat is a direct replacement for the following original Komatsu part numbers:

• Komatsu Part Number: 6212-65-2610
• Alternative Reference: 6212-65-2611 (Check compatibility)
• Engine Core Reference: S6D125, SAA6D125

Note: Always verify the part number against your existing unit to ensure correct fitment.

Compatibility

This thermostat is commonly used for the following equipment and engine applications:

• Excavators: Komatsu PC400-6, PC400-7
• Engines: Komatsu S6D125, SAA6D125 (Diesel)
• Application: Excavator, Bulldozer, Loader, Forklift, Truck, Bus

Global Supply & Distribution

We support global supply chains for heavy equipment parts, ensuring fast and reliable delivery to major industrial hubs worldwide.

• Shipping: We offer worldwide shipping via sea, air, and express couriers (DHL, FedEx, UPS, TNT).
• Major Markets: Our parts are distributed to North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Indonesia, Singapore), the Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
• Logistics: We provide fast delivery to major ports like Shanghai, Shenzhen, and Guangzhou, as well as direct door-to-door service for urgent orders.
• Trade Compliance: We are experienced in international export documentation and customs clearance to ensure a smooth transaction.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities in Guangdong, China, with strict adherence to quality management systems.
• Testing: Each thermostat is tested for opening temperature and sealing performance. A Machinery Test Report and Video Outgoing Inspection are available upon request.
• Warranty: We offer a 6-month warranty against manufacturing defects, providing peace of mind for your purchase.

FAQ

Q: How do I know if this thermostat fits my Komatsu PC400-6 or PC400-7?
A: This thermostat is designed as a direct replacement for the original part number 6212-65-2610. Please check the part number on your current thermostat or your machine’s parts manual. It is specifically engineered for the S6D125 and SAA6D125 engines used in these models. If your machine uses a different engine variant, please verify compatibility.

Q: What are the signs that my thermostat needs to be replaced?
A: Common symptoms include the engine overheating, the engine taking too long to warm up (running cold), or fluctuating temperature gauges. A stuck-closed thermostat prevents coolant flow, causing overheating, while a stuck-open thermostat prevents the engine from reaching optimal operating temperature, leading to poor fuel economy and increased wear.

Q: How should I install and test the new thermostat?
A: Installation is a straightforward mechanical task. First, drain the coolant to below the thermostat housing level. Remove the housing, replace the old gasket and thermostat, and reinstall the housing. Refill with fresh coolant and run the engine to operating temperature. Check for leaks and ensure the radiator hose gets hot, indicating the thermostat has opened. Always refer to your Komatsu service manual for specific torque specifications and procedures.