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Caterpillar original Diesel Common Rail Fuel Injector 573-4231, Cross Reference 577-7633, 217-2570 for C9 Engine, Excavator, Replacement for OEM 557-7634 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 573-4231 |
| MOQ: | 1 |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar C9 diesel fuel injector
,OEM 573-4231 common rail injector
,Excavator replacement fuel injector
Caterpillar original Diesel Common Rail Fuel Injector 573-4231, Cross Reference 577-7633, 217-2570 for C9 Engine, Excavator, Replacement for OEM 557-7634 original new injector
Fuel Type | Diesel |
Condition | Original New |
Applicable Engine | Caterpillar C9 / C9 ACERT / Industrial C9 / Marine C9 / C9 Generator Set |
Injector Type | High-Pressure Common Rail Fuel Injector |
Quality Standard | OEM Manufacturing Standards (Caterpillar Fuel System Specifications) |
Packaging | N/A |
Fuel System | High-Pressure Common Rail Fuel System |
OE Number | 573-4231 |
Brand | Caterpillar (CAT) |
Cross Number / Universal Number | 20R-8846, 20R-8064, 20R-8069, 293-4072, 387-9432, 387-9435, 267-3360, 328-2574, 11R-1582, 557-7637, 557-7634, 577-7633, 217-2570 |
Vehicle / Equipment Application | CAT 950H, 962H, 966H, 972H, 980H Wheel Loaders; Excavators; Generator Sets |
Application Type | Construction, Mining, Marine, Power Generation, Industrial Equipment |
Engineered for Caterpillar C9 ACERT diesel engines, the 573-4231 fuel injector is a genuine OEM high-pressure common rail injector built for the most demanding industrial environments. As an official Caterpillar part number linked to CAT Reman 20R-8846, this injector assembly is a trusted component across global heavy equipment, mining, marine, and power generation supply chains, serving C9, C9 ACERT, Industrial C9, Marine C9, and Generator Set C9 engine platforms.
Precision defines every aspect of this injector's operation. Working within the high-pressure common rail system, it responds to ECU command signals to deliver exact fuel metering under varying engine loads. Multi-hole nozzle technology produces ultra-fine atomization for faster, more complete combustion—delivering improved torque, better fuel economy, lower particulate emissions, and enhanced engine response. Corrosion-resistant, high-pressure construction and OEM manufacturing standards deliver long service life in construction, mining, and marine environments.
The 573-4231 belongs to one of the most widely cross-referenced injector families in the Caterpillar C9 range. Documented OEM, remanufactured, and interchange numbers include 20R-8846, 20R-8064, 20R-8069, 293-4072, 387-9432, 387-9435, 267-3360, and 328-2574, with further references such as 11R-1582, 557-7637, and 557-7634 listed in industry interchange catalogs. Aftermarket databases also identify compatibility with CAT 950H, 962H, 966H, 972H, and 980H wheel loaders, alongside excavators and generator sets. Engine serial number verification is recommended when selecting replacement references.
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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
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