Product Overview

This is a premium OEM-grade fuel injector designed for Caterpillar C3.3B industrial engines. Engineered for precise fuel delivery and optimal combustion, it is a direct replacement part for critical applications. We specialize in global B2B supply, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and export compliance.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications to ensure perfect fitment and seamless integration with the C3.3B engine fuel system.
• Enhanced Durability: Constructed from high-grade materials to withstand high-pressure operation and harsh environmental conditions, ensuring long service life.
• Optimal Engine Performance: Delivers precise fuel atomization for efficient combustion, supporting consistent power output, reduced emissions, and improved fuel economy.
• Reliable Replacement: A trusted solution for maintenance and repair, minimizing engine downtime and ensuring operational reliability for industrial equipment.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar®: 613-6346, 572-3836
• Common Reference: 6136346

Note: Always verify part numbers against your engine’s serial number for absolute compatibility.

Compatibility

This injector is compatible with Caterpillar C3.3B engines used in the following machine models:

• Caterpillar 308CR, 309CR, 310 Excavators
• Various industrial and generator set applications utilizing the C3.3B power unit.

For specific year ranges and serial number applications, please consult with our technical sales team.

Global Supply & Distribution

We are a leading supplier in the global automotive and industrial parts network. Our capabilities include:

• Worldwide Shipping: Efficient logistics to all major ports and industrial hubs in North America (USA, Canada, Mexico), Europe (Germany, UK, Poland), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
• Fast Delivery: Consolidated container and air freight options available to ensure timely delivery and minimize your project downtime.
• Export Expertise: Comprehensive experience in international trade, including full documentation, customs compliance, and Incoterms clarity (FOB, CIF, DAP).

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and rigorous quality control protocols.
• Testing: Each unit undergoes functional testing to verify spray pattern, flow rate, and leak integrity, ensuring performance matches OEM benchmarks.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects, providing confidence and security for your investment.

FAQ

Q: How do I confirm this injector fits my specific Caterpillar machine?
A: While compatible with C3.3B engines in the listed models, the most accurate fitment confirmation requires your engine serial number (ESN) or machine model and year. Please provide this information to our support team for verification.

Q: Is this a genuine Caterpillar part or an aftermarket equivalent?
A> This is a high-quality aftermarket replacement part manufactured to meet or exceed OEM specifications. It is engineered as a direct, form-fit-function alternative to the genuine part, offering reliable performance at a competitive price point for the B2B market.

Q: What are the recommended installation procedures?
A> Proper installation is critical. We recommend following the official Caterpillar service manual procedures. This includes cleaning the fuel system, using new sealing washers/O-rings, and performing necessary calibration or coding of the injector using appropriate diagnostic tools after installation.

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 .