Product Overview

This high-quality, remanufactured fuel injection pump (OEM #326-4635) is specifically designed for the Caterpillar Excavator E320D and E320DL models. As a critical component of the diesel engine fuel system, this pump ensures precise fuel delivery for optimal combustion and engine performance. We serve a global clientele across North America, Europe, the Middle East, and the Asia-Pacific region, providing reliable parts for heavy machinery maintenance and repair.

Key Features & Benefits

• Precision Engineering: Manufactured to standard OE specifications for a perfect fit and flawless operation with the Cat C6.4 (QSB 6.4) engine.
• Enhanced Durability: Built with high-quality materials to withstand the high pressures of the common rail system, ensuring a long service life in demanding excavation applications.
• Improved Performance: Restores engine power, reduces fuel consumption, and minimizes exhaust emissions compared to a failing or worn pump.
• Reliable Remanufacturing: Each unit undergoes rigorous testing to ensure it meets or exceeds OEM performance standards, offering a cost-effective alternative to a new part.
• Direct Replacement: A simple “remove and replace” solution for diesel engine fuel system repairs, minimizing machine downtime.

Technical Specifications

OEM Cross-Reference

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

• Primary OE Number: 326-4635
• Alternative Reference Numbers: 10R7662, 320-2512

Always verify the OE number on your original pump before ordering to ensure correct fitment.

Compatibility

• Engine Models: Caterpillar C6.4 (Cummins QSB 6.4)
• Vehicle/Equipment Applications:
  • Caterpillar Excavator E320D
  • Caterpillar Excavator E320DL
• Purpose: Replacement / Repair of diesel engine fuel system.

Global Supply & Distribution

We are an experienced exporter based in Shandong, China, specializing in diesel engine parts for heavy machinery. Our logistics network ensures fast and reliable delivery worldwide.

• Major Markets Served: North America (USA, Canada), Europe (Germany, UK, France), Middle East (UAE, Saudi Arabia), Africa, and Southeast Asia.
• Shipping Capabilities: We ship via sea freight to major ports (e.g., Houston, Rotterdam, Dubai) and air freight for urgent orders.
• Trade Compliance: All parts are packaged professionally for international transit to prevent damage.

Quality Assurance

• Manufacturing Standard: Remanufactured to strict quality control standards in a professional facility.
• Testing: Each pump is pressure and flow-tested to ensure it meets OE performance specifications before shipping.
• Warranty: All units come with a standard 3-month warranty against manufacturing defects.

FAQ

Q: Is this pump a direct bolt-on replacement for my Cat E320D?
A: Yes, this pump (326-4635) is a direct OE replacement for the Cat C6.4 engine found in the E320D and E320DL excavators. It is designed to bolt on without modifications. We recommend confirming the OE number on your old pump matches 326-4635, 10R7662, or 320-2512.

Q: What is the difference between this remanufactured pump and a new OEM pump?
A: This pump has been professionally disassembled, cleaned, inspected, and rebuilt with new wear components to meet OEM specifications. It offers the same performance and reliability as a new unit but at a significantly lower cost, making it an excellent value for your repair budget.

Q: What kind of maintenance is required after installing this pump?
A: Proper installation is critical. Ensure the fuel system is clean and free of debris. It is highly recommended to replace the fuel filters and prime the system according to the engine service manual before starting. After installation, check for leaks and proper engine idle and high-speed operation.