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.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .