Product Overview

This high-quality Diesel Fuel Pencil Injector (Part Numbers: 8N7005, 0R-3418, 0R-1740) is an essential component for your Caterpillar 3304, 3304B, 3306, and 3306B diesel engines. Designed for direct replacement and repair, this injector ensures optimal fuel delivery and combustion efficiency. We are a leading B2B supplier based in Shandong, China, serving global markets including North America, Europe, Southeast Asia, the Middle East, and Africa. Our products are trusted by workshops, distributors, and fleet operators worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed original equipment specifications for reliable performance.
• Durable Construction: Made from high-grade steel to withstand high pressure and extreme temperatures, ensuring a long service life.
• Improved Fuel Efficiency: Optimized spray pattern promotes complete combustion, reducing fuel consumption and emissions.
• Direct Fitment: A true “drop-in” replacement for 8N7005, 0R-3418, and 0R-1740 injectors, requiring no modifications.
• Rigorous Testing: Every injector is tested for flow rate, spray pattern, and pressure integrity before shipment.

Technical Specifications

OEM Cross-Reference

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

• Primary Part Numbers: 8N7005, 0R-3418, 0R-1740
• OEM Reference: 7W7038
• Other Known Crosses: 7W7039, 8N7004 (Please verify compatibility)

Compatibility

Engine Models:

• Caterpillar 3304 Engine
• Caterpillar 3304B Engine
• Caterpillar 3306 Engine
• Caterpillar 3306B Engine

Typical Applications: These engines are commonly found in Caterpillar industrial equipment, generator sets, marine propulsion, and off-highway trucks. This injector is a universal fitment for the diesel engines listed above.

Global Supply & Distribution

We pride ourselves on our robust global logistics network, ensuring fast and reliable delivery to our B2B partners.

• Worldwide Shipping: We ship to all major ports and industrial centers globally.
• Key Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Singapore), Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Standard lead times are 3-7 business days for in-stock items via express or air freight. Sea freight available for bulk orders.
• Trade Compliance: We have extensive experience in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
• Testing: Each injector undergoes rigorous pressure and spray pattern testing to guarantee performance.
• Warranty: We offer a 4-month warranty against manufacturing defects from the date of purchase.

FAQ

Q1: Will this injector fit my Cat 3306 engine without any modifications?
A: Yes, this injector (8N7005 / 0R-3418) is a direct replacement for the original units on the Caterpillar 3306 and 3306B engines. It is a “drop-in” fit, and no modifications to the fuel system or cylinder head are required.

Q2: What is the recommended installation procedure for this pencil injector?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Cleaning the injector bore thoroughly. 2) Replacing the copper washer and O-rings. 3) Torquing the injector clamp to the manufacturer’s specification (typically 25-30 ft-lbs for these models). 4) Bleeding the fuel system after installation. Always consult your engine service manual for exact procedures.

Q3: How can I ensure this injector matches my original 7W7038 part?
A: Part numbers 8N7005, 0R-3418, and 0R-1740 are direct supersessions and cross-references for the OEM number 7W7038. They share the same physical dimensions, fuel flow rate, and spray angle. Please verify the original part number on your injector, but this unit is designed to be a 100% functional replacement for the 7W7038.