When your Caterpillar 320D or 323D Excavator starts experiencing rough idling, increased fuel consumption, or a loss of power, the fuel system is often the first place to look. Our 20011439 (also searched as 200-11439) fuel injector is engineered to meet OEM Standard Replacement specifications, ensuring your C6.4 engine recovers its peak efficiency without the premium price tag of a branded box.
Procuring quality excavator engine parts is about more than just a low price; it is about minimizing downtime. We stock high-precision fuel nozzles and injectors ready for fast dispatch to repair shops and construction fleets worldwide.
| Specification Item | Details |
|---|---|
| 1. Part Number | 20011439 / 200-11439 |
| 2. Compatible Brand | Caterpillar (CAT) |
| 3. Application Machine | 320D, 320D L, 323D Excavators |
| 4. Engine Model | C6.4 Diesel Engine |
| 5. Condition | Brand New, OEM Standard Replacement |
| 6. Stock Status | In Stock / Fast Dispatch |
| 7. MOQ | 1 Piece |
| 8. Delivery | DHL, Fedex, EMS, UPS, Air/Sea Freight |
| 9. Payment | T/T, Western Union, MoneyGram |
Choosing the right fuel system components is critical for engine rebuild and overhaul maintenance. Below is a comparison to help you make an informed procurement decision.
| Procurement Key Points | Our OEM Replacement | Generic Aftermarket |
|---|---|---|
| 1. Material Integrity | Tri-metal structure for heat resistance | Standard alloy (shorter life) |
| 2. Precision Sealing | High-grade sealing rings included | Basic gaskets prone to leaks |
| 3. Fuel Atomization | Optimized spray pattern for C6.4 | Inconsistent combustion |
| 4. Cost Efficiency | Save 40-60% vs Genuine CAT | Cheapest price, highest risk |
| 5. Testing | 100% pressure and flow tested | Random batch testing |
| 6. Availability | Immediate stock dispatch | Often 2-week lead times |
Not sure how this issue affects your equipment?
Our technical team helps operators and maintenance managers:
Identify potential risks during routine maintenance before they lead to engine failure.
Recommend suitable replacement parts based on your specific machine serial number.
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This is frequently caused by a clogged or worn 20011439 injector. When the nozzle fails to atomize fuel correctly, incomplete combustion occurs. Replacing the unit with an OEM-standard tri-metal structure injector restores proper fuel-to-air ratios and clears the fault.
For heavy-duty construction use, injectors should be inspected every 5,000 hours. If you notice surging or difficult starts, replacing with a trusted 20011439 replacement prevents damage to the pistons and cylinder head.
Our products utilize an OEM-standard tri-metal structure for superior durability. We are trusted by repair shops and equipment fleets globally for providing reliable parts that pass rigorous engine maintenance standards.
Contact our sales team directly for bulk pricing or urgent shipping quotes.
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We specialize in high-quality engine assembly and replacement parts for major brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our mission is to provide the global market with durable components that ensure long engine life.
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