Product Details

Product Overview

This high-performance, remanufactured Common Rail Fuel Injector is engineered for Caterpillar 3508B, 3512B, and 3516B diesel engines. Designed as a direct replacement for the OEM part, it restores precise fuel metering and optimal combustion efficiency. We supply this critical component globally, with extensive experience serving key industrial markets across North America, Europe, the Middle East, and Asia-Pacific, ensuring reliable performance for mining, power generation, and marine applications.

Key Features & Benefits

  • Premium Remanufacturing: Each injector undergoes a complete remanufacturing process to meet or exceed original performance specifications, ensuring like-new reliability.
  • Precision Engineered: Manufactured from high-grade steel for exceptional durability and resistance to high-pressure common rail systems.
  • Guaranteed Fitment: A direct OEM replacement designed for seamless installation without modifications to your Caterpillar engine.
  • Enhanced Performance: Delivers precise fuel atomization for improved combustion efficiency, power output, and reduced emissions.
  • Cost-Effective Solution: Provides a reliable, high-quality alternative to new OEM parts, maximizing your equipment’s uptime and operational budget.

Technical Specifications

Specification Detail
Primary Part Number 250-1304
Alternative Part Number 10R-1278
Product Name Common Rail Fuel Injector
Condition Remanufactured
Material Steel
Fuel Type Diesel
Application Diesel Fuel Injection System
Packing Neutral / WX Packing
Single Package Dimensions 32 x 17 x 7 cm
Single Package Weight 3.500 kg
Minimum Order Quantity (MOQ) 6 Pieces

OEM Cross-Reference

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

  • Caterpillar: 250-1304, 2501304, 10R-1278, 10R1278

Compatibility

This Common Rail Fuel Injector is specifically designed for the following Caterpillar engine models, commonly found in heavy-duty industrial and power generation equipment:

  • Caterpillar 3508B Engine
  • Caterpillar 3512B Engine
  • Caterpillar 3516B Engine

Global Supply & Distribution

We are a specialized exporter of heavy machinery engine components with a robust global logistics network. Our operations are based in Shandong, China, a major industrial hub, enabling efficient supply to key markets worldwide.

  • Worldwide Shipping: We export to all major industrial regions, including North America, the European Union, the Middle East, Africa, and Asia-Pacific.
  • Fast Delivery: Consolidated shipping to major international ports and industrial centers ensures timely delivery for your project timelines.
  • Export Compliance: All shipments are prepared with professional documentation (commercial invoice, packing list, certificate of origin) and comply with international trade regulations for smooth customs clearance.

Quality Assurance

Every injector is built to deliver reliable performance under the most demanding conditions.

  • Rigorous Testing: Each unit undergoes comprehensive performance and leak testing to ensure it meets precise flow rate and pressure specifications.
  • Professional Service: Backed by technical support from specialists familiar with Caterpillar engine systems.
  • Warranty: This product is covered by a 3-month warranty from the date of delivery, guaranteeing its quality and workmanship.

FAQ

Q: Is this injector a direct fit for my Caterpillar 3512B engine?
A: Yes. This remanufactured Common Rail Fuel Injector is engineered as a direct OEM replacement for the specified part numbers (250-1304 / 10R-1278) and is designed for seamless installation into Caterpillar 3508B, 3512B, and 3516B engines without requiring any modifications.

Q: What does “remanufactured” mean, and how does it compare to a new part?
A: Remanufactured means the injector core has been completely disassembled, cleaned, and inspected. Worn or out-of-spec components are replaced with new ones, and the unit is reassembled and tested to meet original performance standards. It offers reliability comparable to a new injector at a significantly lower cost, making it an excellent value for B2B buyers.

Q: What is the lead time for delivery to Europe or North America?
A: Lead times vary based on destination and shipping method. Typically, for standard sea freight to major ports like Rotterdam or Los Angeles, transit is approximately 30-40 days from order confirmation. We also offer expedited air freight options for urgent requirements. Contact our sales team for a precise quote based on your location and order quantity.

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 .

FAQ

Common Product Inquiry Questions

How can I confirm this part matches my engine or injector model?

Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.

Can I ask for packing, shipping, and delivery details together?

Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.

Why is price not displayed on the page?

This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.

What information helps you quote faster?

Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.

Inquiry Desk

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Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.

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  • Send OEM number, quantity, or destination in the optional message if available.
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