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Product Details
Product Overview
This high-quality diesel fuel injector, identified by the critical part number 326-4700, is specifically designed for use in Caterpillar 320D and 321D excavators. It is a direct replacement component for engines in the C6 and C6.4 family, which are commonly found powering these heavy earthmoving machines.
As a precision fuel system component, this injector (also referenced as 3264700) delivers atomized fuel directly into the combustion chamber at high pressure. This ensures optimal engine performance, fuel efficiency, and reduced emissions. It is a genuine replacement part intended to restore the engine’s original power output and reliability.
Please verify your engine serial number and existing part number to confirm compatibility with your specific CAT 320D or 321D model. This part is a critical component for maintaining the performance and longevity of your diesel engine.
Key Features & Benefits
Direct Fit Replacement: Engineered to meet OEM specifications for the CAT 320D/321D excavator with C6 and C6.4 engines, ensuring a seamless installation process.
Precision Fuel Delivery: Designed for high-pressure common rail systems to provide accurate fuel metering, improving combustion efficiency and power output.
Long-Lasting Durability: Manufactured using high-strength materials to withstand extreme temperatures and pressures, ensuring a long service life even in demanding conditions.
Restored Engine Performance: Replaces worn or clogged injectors to resolve issues like rough idling, hard starting, excessive smoke, and loss of power.
Fuel Efficiency: Optimized spray pattern helps maximize fuel economy, reducing operational costs for your excavator fleet.
Rigorous Testing: Each injector undergoes pressure and flow testing to guarantee performance and reliability before shipment.
Technical Specifications
Specification
Details
Part Number
326-4700 / 3264700
Product Name
Diesel Fuel Injector
Application
Excavator (CAT 320D, 321D)
Engine Model
C6, C6.4
Condition
Genuine / New
Place of Origin
China
Warranty
3 Months
MOQ
1 Piece
OEM Cross-Reference
This injector is a direct replacement for the following OEM part numbers:
326-4700 (Caterpillar)
3264700 (Caterpillar)
Please confirm your existing injector part number to ensure a perfect match.
Compatibility
This fuel injector is commonly used for the following applications:
Excavators: Caterpillar 320D, Caterpillar 321D
Engines: Caterpillar C6, Caterpillar C6.4
Note: Fitment is inferred based on the engine model. Always verify compatibility with your specific vehicle’s VIN or engine serial number.
Global Supply & Distribution
We offer worldwide shipping and reliable logistics to support international B2B buyers. Our distribution network ensures fast delivery to major ports and industrial centers across:
North America: USA, Canada, Mexico
Europe: UK, Germany, France, Netherlands, Poland
Asia-Pacific: Australia, Singapore, Indonesia, Japan, South Korea
Middle East & Africa: UAE, Saudi Arabia, South Africa
South America: Brazil, Chile, Argentina
We have extensive export experience and comply with international trade regulations to ensure smooth customs clearance for your orders.
Quality Assurance
Our manufacturing process adheres to strict quality control standards. Each injector is produced in ISO-certified facilities and undergoes rigorous testing, including:
Flow rate and pressure calibration testing
Spray pattern analysis
Leak testing
We back our product with a 3-month warranty against manufacturing defects. After-warranty service, including video technical support, is available to assist with any installation or performance questions.
FAQ
Q1: How do I confirm this injector (326-4700) fits my excavator? A: To confirm fitment, check the part number on your current injector. It should match 326-4700 or 3264700. Additionally, verify your engine model (C6 or C6.4) against the specifications. If you are unsure, please contact us with your machine’s model and serial number for assistance.
Q2: What are the signs that my fuel injector needs replacement? A: Common symptoms of a failing injector include rough engine idle, difficulty starting the engine, increased fuel consumption, black or white exhaust smoke, and a noticeable loss of engine power. If you experience these issues, inspecting and replacing the injector is recommended.
Q3: Do you provide installation instructions or technical support? A: While we do not provide printed instructions with the part, we offer video technical support for qualified buyers. Installation should be performed by a certified diesel mechanic, as it requires specific tools and knowledge of high-pressure fuel systems to avoid damage or injury.
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