Product Overview

This high-performance Pencil Fuel Injector is engineered as a direct replacement for Caterpillar 3306 series diesel engines. Designed for global distribution, we supply heavy-duty equipment parts to major markets including North America, Europe, the Asia-Pacific region, and the Middle East. This injector ensures precise fuel delivery for optimal engine performance and fuel efficiency in demanding industrial and construction applications.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for seamless fitment and reliable performance in Caterpillar 3306 series engines.
• Superior Durability: Constructed from high-grade steel components to withstand high-pressure common rail fuel systems and harsh operating environments.
• Enhanced Engine Performance: Delivers precise fuel atomization for improved combustion, leading to optimal power output and reduced emissions.
• Ready for Global Export: Packaged in neutral or WX export-ready packing, ensuring safe international shipment and easy customs clearance.
• Cost-Effective Solution: Provides a reliable, high-quality alternative to OEM parts, offering significant value for fleet maintenance and engine rebuilds.

Technical Specifications

OEM Cross-Reference

This injector is a direct cross-reference for the following OEM part numbers:

• Caterpillar: 170-5181, 0R-3591, 1705181

Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This pencil fuel injector is designed for use with the following Caterpillar engine models, commonly found in heavy machinery:

• Engine Models: 3306, 3306B
• Equipment Applications: Caterpillar 973, 973C Track Loaders, and other machinery powered by the 3306 series engine.

Note: Compatibility may extend to other models and brands utilizing this injector specification. Consult with our technical team for specific application verification.

Global Supply & Distribution

We are a professional B2B supplier with extensive experience in the international export of diesel engine components. Our logistics network ensures efficient delivery to key industrial hubs worldwide.

• Worldwide Shipping: We ship to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore), and South America.
• Fast Delivery to Major Ports: Consolidated shipments ensure cost-effective and timely delivery to major seaports and airports, including Los Angeles, Rotterdam, Dubai, and Sydney.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided to ensure smooth customs clearance globally.

Quality Assurance

We are committed to supplying reliable parts that meet the demands of the heavy equipment industry.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
• Warranty: Backed by a 4-month warranty from the date of shipment, covering defects in material and workmanship.
• Testing: Each injector undergoes functional testing to verify spray pattern and leak-down performance, ensuring it meets operational specifications before shipment.

FAQ

Q: Is this injector a direct fit for my Caterpillar 3306B engine?
A: Yes, this injector with part numbers 170-5181 and 0R-3591 is designed as a direct replacement for the Caterpillar 3306 and 3306B engine series. Always cross-reference your engine’s serial number and the old injector’s part number for absolute confirmation.

Q: What is the recommended maintenance procedure when installing new injectors?
A: We recommend a complete fuel system service when replacing injectors. This includes replacing fuel filters, cleaning the fuel lines and tank if necessary, and ensuring the high-pressure common rail system is free of contaminants. Proper torque specifications must be followed during installation.

Q: Do you provide technical support for international buyers?
A: Yes, we offer professional technical support for all our B2B clients. Our team can assist with compatibility questions and basic installation guidance. We recommend that final installation and calibration be performed by a qualified diesel technician familiar with Caterpillar engines.

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 .