
Product Overview
This SAIMIMI brand fuel injection supply pump is a high-performance, direct replacement component engineered for DP310 series diesel engines. Designed for durability and precise fuel delivery, it is an essential part for maintaining optimal engine performance and fuel efficiency. We specialize in the global supply of heavy-duty construction machinery parts, with established shipping networks to major industrial markets worldwide, including North America, Europe, the Middle East, and Asia-Pacific.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and reliable operation, ensuring consistent fuel pressure and flow.
- Enhanced Durability: Constructed from high-grade materials to withstand the high-pressure demands and harsh operating conditions of construction equipment.
- Optimal Engine Performance: Delivers precise fuel metering to support maximum engine power output, fuel economy, and reduced emissions.
- Direct Replacement: Designed as a plug-and-play component, minimizing downtime during maintenance and repair operations.
- Rigorous Quality Control: Each unit undergoes stringent testing to ensure it meets performance and durability standards before shipment.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Fuel Injection Supply Pump |
| Primary Part Number | 348-6930 |
| Compatible Engine Model | DP310 Diesel Engine |
| Brand | SAIMIMI |
| Application | Construction Machinery |
OEM Cross-Reference
This fuel injection supply pump is a direct replacement for the following OEM and alternative part numbers:
- 348-6930
- 9521A300T
- T405573
Always verify the part number from your original equipment before ordering to ensure compatibility.
Compatibility
This supply pump is specifically designed for use with DP310 series diesel engines, commonly found in various models of heavy-duty construction machinery such as excavators, loaders, and other industrial equipment. Please consult your equipment manual or contact our technical support with your machine’s model and serial number for precise application verification.
Global Supply & Distribution
We are a leading B2B supplier with extensive experience in international logistics for automotive and machinery parts. Our capabilities include:
- Worldwide Shipping: Reliable export to all major global markets, including North America (USA, Canada), Europe (Germany, UK, Poland), Asia-Pacific (Australia, Japan, Southeast Asia), and the Middle East.
- Efficient Logistics: Fast container (FCL/LCL) and air freight options to major ports and industrial hubs to minimize lead times.
- Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance.
- Bulk Order Support: Dedicated support for large-volume purchases and consistent supply chain requirements for distributors and workshops.
Quality Assurance
Our commitment to quality ensures you receive a reliable product:
- Manufacturing Standards: Produced in ISO-certified facilities using advanced manufacturing techniques.
- Pre-Shipment Testing: Each pump undergoes functional tests to verify pressure output and operational integrity.
- Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region.
FAQ
Q1: How can I confirm this pump is compatible with my specific DP310 engine?
A1: The most reliable method is to cross-reference the part number stamped on your original pump. Match it with our listed OEM numbers (348-6930, 9521A300T, T405573). Providing your equipment’s make, model, and engine serial number to our team will allow us to give you a definitive confirmation.
Q2: Is this a complete assembly, or are additional parts required for installation?
A2: This is supplied as a complete, ready-to-install fuel injection supply pump unit. It is designed as a direct replacement. However, we always recommend replacing seals and gaskets as part of standard maintenance practice during installation to prevent leaks.
Q3: What is the typical lead time for orders to Europe or North America?
A3: Lead times vary based on shipping method and final destination. For standard sea freight to major ports like Rotterdam or Los Angeles, expect approximately 30-40 days. Express air freight options can reduce delivery to 5-10 business days. We provide detailed shipping quotes and timelines upon order confirmation.
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 .