Core Specifications
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Part Number: 324A609092
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Product Name: Fuel Injector Nozzle
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Compatible Engine: CAT C6.4, C6.6 Diesel Engine
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Fit Machine: CAT 320D Excavator
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Matching Injector: 326-4700
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Material: High wear-resistant alloy steel
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Process: Precision grinding, EDM orifice machining
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Feature: Uniform atomization, anti-clogging, anti-wear
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Condition: 100% Brand New Aftermarket Nozzle
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Warranty: 12 Months
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MOQ: 1 Piece available, bulk wholesale acceptable
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Packing: Neutral separate packaging, custom label & logo acceptable
Key Features
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Ultra-precise Orifice Machining: EDM technology for nozzle holes, consistent hole size, fine and uniform spray pattern.
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High Wear Resistance: Premium alloy steel and special heat treatment, resist abrasion from dirty diesel fuel, long service life.
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Excellent Sealing Performance: Precision ground sealing surface, prevent fuel dripping after injection.
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Perfect Overhaul Replacement: Direct replacement for old, blocked or worn nozzle on CAT 326-4700 injector.
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Strict Quality Inspection: Each nozzle checked for flow rate, spray shape and surface finish before shipment.
Solvable Common Faults
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Poor fuel atomization and fuel dripping from nozzle tip
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Engine insufficient power and weak digging performance 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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Nozzle hole clogging caused by impurity in diesel fuel
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Incomplete combustion leading to carbon deposit buildup
Why Choose Us
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✅ Professional supplier for CAT C6.4 C6.6 injector spare parts
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✅ Strict flow and spray pattern inspection for every nozzle
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✅ OEM equivalent precision for 326-4700 injector 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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✅ Technical support for CAT injector assembly and testing
FAQ
Q1: Which injector does 324A609092 fit? A1: It matches CAT injector 326-4700 for C6.4 / C6.6 engine on 320D excavator.
Q2: What problems will a bad nozzle cause? A2: Clogged or worn nozzle leads to bad atomization, black smoke, high fuel consumption and power loss of excavator.
Q3: Do I need to test injector after replacing nozzle? A3: Yes, injector must be fully tested and calibrated on common rail test bench after nozzle replacement.
