Product Overview

This is a genuine, high-performance fuel injector nozzle designed for Caterpillar C4.2 diesel engines. Engineered for precision fuel delivery and optimal combustion, this part is essential for maintaining engine power, efficiency, and emissions control. We supply this critical component to a global network of distributors, workshops, and heavy equipment operators, with major markets in North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Genuine Quality: Manufactured to meet or exceed original equipment specifications for a perfect fit and reliable performance.
• Premium Material: Constructed from high-grade stainless steel for superior corrosion resistance and long-term durability under extreme operating conditions.
• Optimized Engine Performance: Ensures precise fuel atomization for complete combustion, maximizing power output and fuel economy while reducing harmful emissions.
• Extended Service Life: Built as a long-lasting part to minimize downtime and reduce the total cost of ownership for your equipment.
• Direct Replacement: Designed as an exact OEM replacement for the 326-4756 injector, ensuring hassle-free installation and immediate restoration of engine function.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar®: 326-4756

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

Compatibility

This fuel injector is engineered for Caterpillar C4.2 diesel engines. It is commonly found in a range of heavy machinery, primarily:

• Equipment: Caterpillar Excavators and other machinery powered by the C4.2 engine.
• Engine: Caterpillar C4.2 Industrial Diesel Engine.

Global Supply & Distribution

We are a leading supplier of heavy-duty engine components with a robust international logistics network. Our capabilities include:

• Worldwide Shipping: Reliable export to all major industrial regions including North America (USA, Canada, Mexico), Europe (Germany, UK, Poland), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore, Japan).
• Efficient Logistics: Fast container and air freight services to key ports and logistical hubs to ensure timely delivery to your workshop or warehouse.
• Trade Compliance: All shipments are prepared with accurate commercial invoices, packing lists, and harmonized system (HS) codes to ensure smooth customs clearance worldwide.
• B2B Expertise: Dedicated support for wholesale, distributor, and large fleet orders, with flexible payment terms and consolidated shipping options.

Quality Assurance

Every component in our catalog is sourced and verified to meet the highest industry standards.

• Manufacturing Standards: Produced using precision CNC machining and rigorous quality control processes to ensure dimensional accuracy and performance integrity.
• Testing: Each injector undergoes functional testing to verify spray pattern, pop pressure, and leak-free operation.
• Warranty: Backed by a 3-month warranty against manufacturing defects, providing peace of mind for your investment.
• Post-Warranty Support: Continued access to video technical support for installation guidance and troubleshooting.

FAQ

Q1: Is this injector a direct fit for my Caterpillar machine with a C4.2 engine?
A1: Yes, this 326-4756 injector nozzle is designed as a direct OEM replacement for the C4.2 engine. For absolute certainty, we recommend cross-referencing this part number with your machine’s service manual or engine serial number plate.

Q2: What are the signs that my excavator’s fuel injector needs replacement?
A2: Common symptoms include hard starting, rough idle, excessive black or white smoke from the exhaust, a noticeable loss of engine power, increased fuel consumption, and engine misfiring. These issues often point to clogged or worn injector nozzles.

Q3: Do you provide technical support for installation?
A3: Yes. We offer video technical support to assist with the installation process. Proper installation is critical for performance and longevity. We recommend the injectors be installed by a qualified technician, and the fuel system should be meticulously cleaned to prevent new component contamination.

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 .