Product Overview

This high-performance Common Rail Diesel Fuel Injector (Part Number 174-7526 / 20R-0758) is engineered as a direct replacement for Caterpillar 3412E industrial and marine engines. Designed for global distribution, we supply this critical component to major markets including North America, Europe, the Middle East, and Asia-Pacific, ensuring reliable performance for heavy machinery, power generation, and marine applications worldwide.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for optimal fuel atomization, combustion efficiency, and engine power output.
• Superior Durability: Constructed from high-grade steel to withstand extreme pressures and temperatures within the common rail system, ensuring long service life.
• Enhanced Performance: Delivers consistent fuel injection timing and volume, contributing to reduced emissions, improved fuel economy, and stable engine operation.
• Direct Fit Replacement: Designed for seamless installation, this injector is a plug-and-play solution to restore your 3412E engine to its factory performance levels.
• Global Supply Ready: Packed in neutral or WX export packaging, ensuring safe transit and compliance with international shipping standards.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar: 174-7526, 20R-0758

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

Compatibility

This diesel fuel injector is specifically designed for the Caterpillar 3412E engine. The 3412E is a widely used V12 diesel engine found in numerous demanding applications, including:

• Heavy-Duty Mining and Construction Excavators
• Electric Power Generation Sets
• Marine Propulsion and Auxiliary Power Units
• Industrial Pump and Compressor Drives

Global Supply & Distribution

We are a specialized exporter of heavy-duty engine components with extensive experience in international B2B trade. Our logistics network ensures efficient delivery to key industrial regions globally.

• Worldwide Shipping: We ship to all major markets, including North America (USA, Canada), Europe (Germany, UK, Netherlands), Asia-Pacific (Australia, Japan, Singapore), and the Middle East (UAE, Saudi Arabia).
• Fast Port Delivery: Prioritized shipping to major international ports (e.g., Los Angeles, Rotterdam, Singapore, Dubai) for swift clearance and onward distribution.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is prepared to meet international customs requirements for a smooth import process.

Quality Assurance

Every injector is manufactured under strict quality control protocols to ensure reliability and performance parity with OEM standards.

• Manufacturing Standard: Produced using precision CNC machinery and advanced calibration techniques.
• Warranty: Backed by a 4-month warranty from the date of shipment, covering defects in material and workmanship.
• Testing: Units undergo rigorous functional testing to verify spray pattern, flow rate, and leak integrity before packaging.

FAQ

Q1: Is this injector a direct fit for my Caterpillar 3412E engine without modification?
A1: Yes. This 174-7526 injector is engineered as a direct OEM replacement. It is designed to match the physical dimensions, electrical connectors, and performance specifications of the original part, allowing for straightforward installation.

Q2: What is the recommended maintenance practice when replacing fuel injectors on a 3412E engine?
A2: For optimal performance and engine longevity, we recommend replacing injectors in sets (all 12 for a V12 engine) to ensure balanced fuel delivery and combustion across all cylinders. Always clean the fuel rail and replace fuel filters during installation to prevent contamination of the new injectors.

Q3: Do you provide technical support for installation and troubleshooting?
A3: Yes, we offer professional technical support. Our team can assist with installation guidelines and basic troubleshooting. For complex engine management issues, we always recommend consulting a certified Caterpillar technician or referring to the official engine service manual.

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 .