Core Specifications
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Part Number: 320-0677 (Cross: 2645A746, 10R-7671)
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Product Name: CAT Common Rail Fuel Injector Assembly
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Compatible Engine: CAT C4.4, C6.6 Diesel Engine
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Fit Machine: CAT 320D, 320DL, 323D Excavator, Wheel Loader, Generator Set
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Material: High-grade wear-resistant alloy steel precision components
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Test: 100% common rail bench tested for flow, leakage and response
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Condition: 100% Brand New Aftermarket Injector
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Warranty: 12 Months
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MOQ: 1 Piece available, bulk wholesale acceptable
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Packing: Neutral carton packaging, custom label & logo acceptable
Key Features
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Precise Fuel Control: Micron-level precision internal components, accurate fuel metering and stable injection timing.
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Excellent Atomization: Fine and uniform fuel spray, full combustion, reduce black smoke and lower fuel consumption.
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Rugged Construction: Wear-resistant alloy parts, adapt to heavy-load working environment of excavators.
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Direct Fit Replacement: Same mounting dimension and interface as OEM, easy installation.
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Strict Pre-delivery Testing: Each injector fully bench tested to guarantee consistent performance.
Solvable Common Faults
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Difficult cold start and long cranking time
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Engine power shortage and weak digging power of excavator
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Black smoke emission and increased fuel consumption
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Unstable idle speed and engine shaking
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Injector leakage and DPF related fault codes
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Poor atomization and incomplete combustion, carbon deposit accumulation
Why Choose Us
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✅ Professional supplier for CAT C4.4 C6.6 engine fuel injector spare parts
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✅ Every 320-0677 injector fully tested on common rail test bench before shipment
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✅ OEM equivalent performance for CAT 320D 323D excavator overhaul
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✅ Support sample order and bulk purchase for repair shop & distributor
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✅ In stock and fast worldwide shipping
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✅ Professional technical support for injector replacement and testing
FAQ
Q1: What machine does 320-0677 fit? A1: It is compatible with CAT C4.4, C6.6 engine for 320D,320DL,323D excavator, wheel loader and generator set.
Q2: What cross reference numbers for this injector? A2: Cross part number: 2645A746, 10R-7671.
Q3: Is bench test required after installation? A3: We recommend testing the injector on common rail bench after installation for best engine performance.
