Product Overview

This premium Pencil Fuel Injector (OE No. 8N7005) is a direct replacement for Caterpillar 3304, 3304B, 3306, and 3306B diesel engines. Manufactured in Shandong, China, this injector is designed for global B2B distribution, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Australia. With a 9-hole, 4mm nozzle design, it ensures optimal fuel atomization for improved combustion efficiency and engine performance in excavators, trucks, and industrial machinery.

Key Features & Benefits

• Precision Engineered: 100% professionally tested to meet OEM specifications for reliable performance.
• Enhanced Fuel Efficiency: 9-hole nozzle design with 4mm diameter ensures superior atomization, reducing fuel consumption and emissions.
• Durable Construction: Made from high-quality stainless steel to resist corrosion and withstand high-pressure diesel injection cycles.
• Long Service Life: Designed for heavy-duty applications, providing consistent performance under demanding conditions.
• Easy Installation: Direct bolt-on replacement with no modifications required, saving downtime and labor costs.

Technical Specifications

OEM Cross-Reference

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

• 8N7005 (Primary OEM)
• 0R3418 (Alternative OEM)

Note: Always verify compatibility with your specific engine model before purchase.

Compatibility

• Engine Models: Caterpillar 3304, 3304B, 3306, 3306B
• Vehicle Applications: Caterpillar excavators, trucks, industrial machinery, generators, and marine engines
• Year Range: Compatible with models from the 1970s through 1990s (check engine serial number for exact fitment)

Global Supply & Distribution

We offer worldwide shipping to meet the needs of B2B buyers across the globe. Our logistics network ensures fast delivery to major ports and industrial centers, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Shanghai, Singapore, Sydney, Tokyo
• Middle East & Africa: Dubai, Jeddah, Durban, Lagos

With extensive export experience and compliance with international trade standards, we ensure secure packaging and reliable delivery within 3–7 days after order confirmation. Payment options include T/T, Western Union, and PayPal for your convenience.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities with strict quality control processes.
• Testing: Each injector undergoes a 100% professional test for flow rate, spray pattern, and pressure performance.
• Warranty: Backed by a 1-year warranty against manufacturing defects, ensuring peace of mind for bulk purchases.

FAQ

Q1: Is this injector compatible with my Caterpillar 3306 engine?
Yes, the 8N7005 injector is designed for Caterpillar 3304, 3304B, 3306, and 3306B engines. However, we recommend verifying your engine’s serial number and comparing it with the injector’s specifications to ensure a perfect fit.

Q2: What installation precautions should I take?
Before installation, clean the injector bore and ensure the sealing surfaces are free of debris. Use new copper washers and torque the injector to manufacturer specifications (typically 40–50 Nm for pencil injectors). After installation, bleed the fuel system to remove air pockets and check for leaks.

Q3: How can I maintain the injector for optimal performance?
Use high-quality diesel fuel with proper filtration to prevent clogging. Replace fuel filters regularly and avoid running the engine on contaminated fuel. For heavy-duty applications, schedule injector inspection every 1,000 operating hours to maintain peak efficiency and avoid costly repairs.

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 .