Product Overview

This high-quality Common Rail Fuel Injection Pump is a direct replacement for Caterpillar Excavator models 311 and 314. Designed for superior fuel delivery and engine performance, this pump ensures reliable operation for your heavy machinery. We ship globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and South America. As a trusted supplier, we provide consistent quality and fast logistics to keep your fleet operational.

Key Features & Benefits

• Premium Build Quality: Manufactured to meet or exceed OEM specifications for a perfect fit and long service life.
• 100% Professional Testing: Every unit is rigorously tested for pressure, flow rate, and seal integrity before shipment.
• Enhanced Durability: Built with hardened internal components to withstand the high pressures of common rail systems, reducing wear and tear.
• Improved Engine Efficiency: Precision engineering ensures optimal fuel atomization, leading to better combustion, lower emissions, and reduced fuel consumption.
• Direct Fit Replacement: Designed as a bolt-on replacement for the original pump, minimizing installation time and downtime.

Technical Specifications

OEM Cross-Reference

This fuel injection pump directly replaces the following OEM part numbers:

• Caterpillar OEM: 326-4634, 3264634
• Alternate OEM: 10R-7661, 10R7661

Compatibility

This pump is specifically designed for use in the following machinery:

• Excavator Models: Caterpillar 311, Caterpillar 314
• Engine Application: Suitable for Caterpillar diesel engines used in these excavator series.
• Note: Please verify your engine serial number and existing pump part number to ensure 100% compatibility before purchasing.

Global Supply & Distribution

We are an experienced exporter specializing in heavy machinery diesel engine parts. Our logistics network ensures fast and reliable delivery worldwide:

• Major Markets Served: USA, Canada, Australia, Germany, UK, UAE, Saudi Arabia, South Africa, Indonesia, and Japan.
• Shipping Methods: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight available.
• Delivery Time: Standard stock items ship within 3-7 business days after payment confirmation.
• Ports & Hubs: Efficient shipping to major industrial ports like Shanghai, Shenzhen, Hamburg, Rotterdam, and Los Angeles.

Quality Assurance

We are committed to providing high-quality products that meet the demands of professional B2B clients:

• Testing: 100% professional testing for performance, pressure, and leak resistance.
• Certifications: Products are manufactured in ISO-compliant facilities (certificates available upon request).
• Warranty: All pumps come with a standard 6-month warranty against manufacturing defects.
• Packaging: Securely packed in neutral industrial packaging to prevent damage during transit.

FAQ

Q1: Is this fuel injection pump a direct replacement for the original Caterpillar part?
A: Yes, this pump is designed as a direct bolt-on replacement for the OE numbers 326-4634 and 10R-7661. It is manufactured to the same specifications, ensuring a perfect fit on Caterpillar 311 and 314 excavators. No modifications are required for installation.

Q2: What are the common signs of a failing injection pump that this part would fix?
A: Typical symptoms include hard starting, engine misfiring, a noticeable loss of power, black smoke from the exhaust due to incomplete combustion, and poor fuel economy. Replacing a worn pump with this new unit will restore proper fuel pressure and engine performance.

Q3: What is the recommended maintenance after installing this new pump?
A: After installation, ensure the fuel system is bled of air and check for any leaks at the connection points. It is also recommended to replace the fuel filter at the same time to prevent contaminants from entering the new pump. Regularly check for water in the fuel separator to ensure the longevity of the injection system.

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 .