Product Overview

This genuine Dp310 series diesel fuel injection pump is engineered for optimal performance and reliability in demanding industrial applications. We supply this critical component to a global network of distributors, heavy equipment repair shops, and fleet operators, with major markets including North America, Europe, the Middle East, and the Asia-Pacific region. Our commitment is to provide OEM-quality parts with seamless international logistics.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM tolerances for consistent fuel delivery, optimal combustion, and maximum engine efficiency.
• Enhanced Durability: Constructed from high-grade materials to withstand high-pressure operation and resist wear, ensuring a long service life.
• Reliable Performance: Restores factory-level power output and fuel economy, reducing downtime and operational costs for your equipment.
• Direct Fitment: Designed as a direct replacement, ensuring straightforward installation without modifications.
• Global Compliance: Produced for international markets, meeting the performance and emission standards required for global operation.

Technical Specifications

OEM Cross-Reference

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

• 9521A031H (Primary Part Number)
• 9521A030H (Alternative/Related Part Number)
• T413368
• 398-1498 / 3981498

Compatibility

This pump is specifically designed for Caterpillar® heavy machinery. Its primary application is for engines powering the following model:

• Excavator: Caterpillar 320D2

Note: Always verify the part number stamped on your original component for final confirmation before purchase. Compatibility may extend to other models within the same engine family.

Global Supply & Distribution

We are a leading supplier in the global heavy equipment parts market. Our streamlined export process ensures reliable delivery to key industrial hubs worldwide.

• Worldwide Shipping: We ship via air and sea freight to all major continents, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
• Fast Delivery Network: Consolidated shipments to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali enable efficient distribution to your regional warehouse or facility.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared to full international trade compliance standards for smooth customs clearance.

Quality Assurance

Every part is sourced and supplied under a rigorous quality protocol to guarantee performance and customer satisfaction.

• Manufacturing Standards: Produced using OEM-grade tooling and processes to ensure dimensional accuracy and functional integrity.
• Comprehensive Testing: Critical components undergo pressure and flow testing to validate performance specifications before dispatch.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: How can I confirm this pump is the correct fit for my CAT 320D2 excavator?
A: The most reliable method is to cross-reference the part number physically stamped on your existing injection pump. Match it against the OEM numbers listed in the OEM Cross-Reference section above (e.g., 9521A031H, 398-1498). You can also provide your machine’s serial number for our technical team to verify.

Q2: Is this a new, genuine part or a remanufactured unit?
A: This part is supplied as a new, genuine replacement component, manufactured to original specifications. It is not a remanufactured or aftermarket copy, ensuring full compatibility and performance.

Q3: What shipping and documentation support do you provide for international B2B orders?
A: We specialize in international B2B logistics. We provide all necessary export documentation, offer competitive FOB/CIF quotes to major global ports, and can assist with arranging freight forwarding. Our team ensures paperwork is accurate for hassle-free customs processing in your destination country.

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 .