Caterpillar C6.6 Engine Fuel Injector Nozzle – High-Pressure Common Rail Diesel Part

Product Details

Product Overview

This high-precision fuel injector nozzle is specifically engineered for the Caterpillar C6.6 diesel engine, a powerplant widely used in excavators, loaders, and industrial machinery. Designed to meet or exceed OEM specifications, this component ensures optimal fuel atomization for improved combustion efficiency. We serve a global B2B clientele, with major markets in North America, Europe, the Middle East, and Asia-Pacific, offering reliable supply chains to major industrial hubs and ports worldwide.

Key Features & Benefits

• Precision Fuel Delivery: Manufactured with micron-level tolerances to ensure consistent spray pattern and accurate fuel metering.
• Enhanced Durability: Constructed from high-grade alloy steel with a hardened tip to withstand extreme injection pressures and temperatures.
• Improved Engine Performance: Restores lost power, reduces smoke emissions, and improves fuel economy compared to worn or clogged nozzles.
• Direct Fit Replacement: A 1:1 drop-in replacement designed to match the exact physical dimensions and hydraulic flow rate of the original Caterpillar part.
• Rigorous Testing: Every nozzle undergoes pressure, spray pattern, and leakage testing before shipment to guarantee reliability.

Technical Specifications

OEM Cross-Reference

This nozzle is a direct replacement for the following genuine Caterpillar part numbers and common aftermarket equivalents:

• Caterpillar OEM: 10R-7671, 20R-7823, 2645A748, 2645A749
• Common Cross-References: 326-4756, 326-4757

Please confirm your specific engine serial number and injector part number to ensure compatibility.

Compatibility

• Primary Engine: Caterpillar C6.6 (ACERT Technology)
• Common Applications: Caterpillar 320D, 323D, 325D Excavators; Caterpillar 924H, 930H Wheel Loaders; Caterpillar D5K, D6K Dozers
• Note: Also compatible with Perkins 1206E-E66TA engines which share the C6.6 base platform.

Global Supply & Distribution

We maintain robust inventory levels to support both small workshops and large fleet operations. Our logistics network enables:

• Worldwide Shipping: Express (DHL, FedEx, UPS) and Sea Freight (FCL/LCL) options available.
• Major Ports Served: Rotterdam, Hamburg, Los Angeles, Shanghai, Dubai, Singapore.
• Fast Dispatch: Orders placed before 14:00 (GMT+8) ship same day from our regional warehouses.
• Trade Compliance: All parts are exported with proper customs documentation and commercial invoices.

Quality Assurance

• Manufacturing Standard: ISO 9001:2015 certified production facility.
• Testing: 100% flow bench tested for spray pattern, opening pressure, and leakage.
• Warranty: 12-month warranty against manufacturing defects from the date of invoice.
• Traceability: Each batch is serialized and traceable to its raw material certificate.

FAQ

Q1: How do I know if this nozzle fits my specific C6.6 engine?
A: Confirm your engine’s serial number (located on the engine data plate) and the part number stamped on your current injector. The most common C6.6 injector part numbers are 10R-7671 or 20R-7823. This nozzle is designed for those specific injector bodies.

Q2: Can I install this nozzle myself, or does it require specialized tools?
A: While the nozzle is a direct fit, fuel system components are highly sensitive to contamination. We strongly recommend installation by a qualified diesel technician using proper torque specs and clean-room procedures. Replacing the copper washer and O-rings is mandatory.

Q3: What is the typical lifespan of this injector nozzle?
A: Lifespan depends heavily on fuel quality and maintenance. Under normal conditions with clean, high-quality diesel fuel, you can expect 4,000 to 6,000 operating hours. Using contaminated fuel or neglecting fuel filter changes will significantly reduce service life.