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Excavator parts 320-0677 3200677 Fuel Injector for Caterpillar C4.4 C6.6 Diesel Engine

Excavator parts 320-0677 3200677 Fuel Injector for Caterpillar C4.4 C6.6 Diesel Engine

Excavator fuel injector for Caterpillar C4.4

320-0677 fuel injector diesel engine

Caterpillar C6.6 diesel engine injector

Place of Origin:

China

Brand Name:

CAT

Certification:

ce

Model Number:

320-0677

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Product Details
Product Name:
Engine Fuel Injector
Construction Engine:
C4.4 C6.6 Diesel Engine
Part Number:
320-0677
Type:
Electronic Diesel Fuel Injector
Application:
Construction Machinery, Excavator, Heavy-duty Engine
Highlight:

Excavator fuel injector for Caterpillar C4.4

,

320-0677 fuel injector diesel engine

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Caterpillar C6.6 diesel engine injector

Payment & Shipping Terms
Minimum Order Quantity
1
Price
$80 - $120
Packaging Details
Carton box
Delivery Time
3-7 work days
Payment Terms
T/T,D/P,D/A,L/C,Western Union
Supply Ability
999
Product Description
320-0677 Fuel Injector for Caterpillar C4.4 & C6.6 Diesel Engines
High-performance common rail fuel injector designed specifically for Caterpillar C4.4 and C6.6 diesel engines. This OEM replacement part delivers precise fuel injection, reliable performance, and extended service life for excavators, wheel loaders, generators, and construction equipment.
Key Features
  • Designed for Caterpillar C4.4 and C6.6 diesel engines
  • High-pressure common rail fuel injection technology
  • Accurate fuel atomization for maximum combustion efficiency
  • Improves engine power, torque, and fuel economy
  • Precision-manufactured internal components for superior durability
  • OEM specification replacement injector
  • Bench tested before shipment for reliable performance
Product Specifications
Part Number 320-0677
Product Name Common Rail Fuel Injector
Brand Caterpillar
Product Type Electronic Fuel Injector
Engine Model C4.4, C6.6
Fuel System High Pressure Common Rail
Function Precision Fuel Injection
Installation Position Engine Cylinder Head
Application Excavator, Wheel Loader, Generator, Construction Equipment
Fuel Type Diesel
Condition Original Genuine New, Brand New, Aftermarket, Remanufactured, Tested
Warranty 6-12 Months
Packaging Export Standard Carton
Cross Compatibility
OEM Part Numbers 320-0677
Alternative Part Numbers 3200677, 2645A746, 10R7224, 326-4700
Compatible Engine Models C4.4, C6.6, C7, C7.1, 3054C, 3056E
Compatible Excavator Models CAT 311D, 312D, 313D, 314D, 315D, 318D, 320D, 320D2, 323D, 324D, 325D, M315D, M316D
Compatible Loader Models CAT 914G, 924H, 928H, 930H, 938H, 950H, 962H
Compatible Generator & Industrial Equipment CAT Generator Set, Industrial Power Unit, Air Compressor, Agricultural Equipment
Related Components High Pressure Fuel Pump, Fuel Rail, Fuel Filter, Fuel Pressure Sensor, Injector Harness, ECM, ECU, Turbocharger, Cylinder Head, Engine Overhaul Kit
Core Advantages
The 320-0677 common rail fuel injector is engineered for Caterpillar C4.4 and C6.6 diesel engine platforms used in excavators, wheel loaders, generators, and industrial equipment. It delivers accurate high-pressure fuel injection with excellent spray atomization to maximize combustion efficiency, increase engine power, and reduce fuel consumption.
  • High-precision fuel injection technology
  • Stable engine performance and smooth operation
  • Improved fuel economy and combustion efficiency
  • OEM-compatible fitment with reliable quality
  • Wear-resistant internal components for extended durability
  • Ideal for construction, mining, agricultural, and industrial applications
Related Products
Product Images
Frequently Asked Questions
Which engines are compatible with the 320-0677 fuel injector?
The 320-0677 injector is primarily designed for Caterpillar C4.4 and C6.6 diesel engines and is also compatible with selected C7, C7.1, 3054C, and 3056E engine platforms depending on the original injector specification.
Which machines commonly use this injector?
It is widely installed on Caterpillar 311D, 312D, 313D, 314D, 315D, 318D, 320D, 323D, 324D excavators as well as CAT wheel loaders, generator sets, and industrial equipment equipped with C4.4 or C6.6 engines.
What are the symptoms of a faulty fuel injector?
Typical symptoms include hard starting, rough idle, reduced engine power, increased fuel consumption, excessive exhaust smoke, engine knocking, and poor acceleration.
Can matching fuel system parts be supplied?
Yes, we supply high-pressure fuel pumps, fuel rails, fuel filters, pressure sensors, injector wiring harnesses, ECM ECUs, turbochargers, cylinder heads, and complete Caterpillar engine assemblies.
How can I verify compatibility before ordering?
Please provide the engine model, machine model, engine serial number, or original injector part number for compatibility verification.
Is the injector tested before shipment?
Yes, every fuel injector undergoes professional flow testing, spray pattern inspection, leakage testing, and quality verification before shipment to ensure reliable performance.

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