Product Details
Product Overview
This high-quality, new diesel fuel pencil injector (Part Number 100-7559) is engineered for precision fuel delivery in heavy-duty applications. As a leading supplier from Shandong, China, we specialize in the global distribution of critical engine components, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific. This injector is designed as a direct replacement part for Caterpillar 3306 and 3306B series engines, ensuring optimal performance and reliability for excavators, generators, and industrial power units.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM specifications for perfect fitment and reliable operation within the Common Rail fuel injection system.
- Superior Durability: Constructed from high-grade steel to withstand extreme pressures and temperatures, ensuring a long service life in demanding environments.
- Enhanced Performance: Delivers precise fuel atomization for improved combustion efficiency, leading to optimal engine power, reduced emissions, and better fuel economy.
- Global Compliance Ready: Supplied in neutral or WX export packing, facilitating smooth customs clearance and international logistics to any destination.
- Cost-Effective Solution: Provides a reliable, high-quality alternative to genuine parts, minimizing downtime and repair costs for your heavy machinery fleet.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 100-7559 |
| OEM Reference Number | 1007559 |
| Type | Common Rail Pencil Injector |
| Fuel Type | Diesel |
| Condition | New |
| Primary Material | Steel |
| Application | Diesel Fuel Injection System |
| Packing | Neutral Packing / WX Packing |
| Single Package Dimensions | 25 x 5 x 5 cm |
| Single Package Weight | 0.500 kg |
| Minimum Order Quantity (MOQ) | 6 Pieces |
OEM Cross-Reference
This part is a direct cross-reference for the following OEM numbers:
- CaterpillarĀ®: 100-7559, 1007559
Always verify part number compatibility with your specific engine serial number before purchase.
Compatibility
This diesel fuel pencil injector is designed for use in the following engine models:
- Caterpillar 3306 Engine
- Caterpillar 3306B Engine
Typical Applications: This injector is commonly used in Caterpillar-powered heavy machinery, including but not limited to excavators (e.g., CAT 330, 330B), wheel loaders, generator sets, and industrial power units.
Global Supply & Distribution
We are a professional B2B exporter with extensive experience in the international automotive and heavy machinery parts trade. Our logistics network ensures efficient delivery to key global markets.
- Worldwide Shipping: We ship to all major destinations, including ports and industrial hubs in the USA, Canada, Germany, UAE, Australia, and Southeast Asia.
- Major Markets Served: We regularly supply distributors and workshops in North America, the European Union, the Middle East, Africa, and the Asia-Pacific region.
- Fast Delivery: Consolidated sea freight and express air freight options are available to minimize lead times and keep your operations running.
- Export Expertise: All documentation (commercial invoice, packing list, certificate of origin) is provided professionally to ensure hassle-free customs clearance and compliance with international trade regulations.
Quality Assurance
We are committed to supplying parts that meet the high standards required for heavy-duty engine applications.
- Manufacturing Standards: Components are manufactured using precision tooling and strict quality control processes to ensure dimensional accuracy and performance integrity.
- Warranty: Backed by a 4-month warranty from the date of delivery, covering defects in material and workmanship.
- Testing: Critical components undergo functional testing to verify spray pattern and leak integrity before packaging.
FAQ
Q: Is this injector a direct fit for my Caterpillar 3306 engine?
A: Yes, this 100-7559 injector is designed as a direct replacement for the OEM part in Caterpillar 3306 and 3306B engines. For optimal results, we recommend replacing injectors in sets and ensuring the fuel system is clean before installation.
Q: What is included in the “Neutral Packing”?
A: Neutral packing means the parts are shipped in plain, unbranded boxes without any manufacturer logos. This is standard for the international aftermarket and facilitates easy importation and resale by distributors worldwide. WX packing is also available upon request.
Q: Do you provide technical support for installation?
A: While we provide professional product service and specifications, the installation of fuel injectors is a precise technical procedure. We recommend that installation and calibration be performed by a qualified diesel technician familiar with Caterpillar Common Rail systems to ensure proper torque settings and system programming.
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
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
OEM 100-7559 Diesel Fuel Pencil Injector for Caterpillar 3306 & 3306B Engine
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
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Inquiry Desk
Send Inquiry
Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.