Caterpillar original C9 C7 Diesel Engine Fuel Injector 10R-4844 328-2574 Cross Reference 387-9433 for Excavator Replacement for OEM 387-9437 original new injector
Product Details
Caterpillar C9 diesel fuel injector
,C7 excavator fuel injector replacement
,OEM 387-9437 new fuel injector
Caterpillar original C9 C7 Diesel Engine Fuel Injector 10R-4844 328-2574 Cross Reference 387-9433 for Excavator Replacement for OEM 387-9437 original new injector
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Fuel Type |
Diesel |
|
Condition |
Original New |
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Applicable Engine |
Caterpillar C9, Caterpillar C9 ACERT, Caterpillar Industrial C9, Caterpillar Marine C9, Caterpillar Generator C9, Caterpillar Power Unit C9 (8.8L Inline 6 Cylinder Turbocharged Electronic Injection Diesel Engine) |
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Injector Type |
Electronically Controlled Common Rail Diesel Fuel Injector Assembly |
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Quality Standard |
Manufactured per OEM Specifications, Industrial-Grade Quality Standards |
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Packaging |
Not Specified |
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Fuel System |
Electronic Common Rail Fuel Injection System |
|
OE Number |
10R-4844 (10R4844) |
|
Brand |
Caterpillar (CAT) |
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Cross Number / Universal Number |
249-0713 (2490713), 328-2585 (3282585) |
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Vehicle / Equipment Application |
Excavators: CAT 330D, 330DL, 336D, 336DL, 345D, 349D; Wheel Loaders: CAT 966H, 972H, 980H; Also applicable to generator sets, marine propulsion equipment, industrial diesel power units, and construction/mining heavy-duty off-highway equipment |
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Application Type |
Construction, Mining, Power Generation, Marine Propulsion, Industrial Power, Heavy-Duty Off-Highway Applications |
Engineered for Caterpillar’s C9 and C9 ACERT engine platforms, the 10R-4844 diesel fuel injector is a precision-built electronically controlled common rail fuel system component designed for demanding heavy-duty operations. It delivers accurate fuel metering and optimized atomization under high-pressure operating conditions, supporting complete combustion, lower exhaust emissions, reduced fuel consumption, and long-term engine durability across extended service cycles.
This injector is cross-referenced to part numbers 249-0713 and 328-2585, and fits a wide range of Caterpillar heavy equipment, including 330D/330DL, 336D/336DL, 345D and 349D excavators, as well as 966H, 972H and 980H wheel loaders. It also supports C9 engine variants built for industrial power units, generator sets, and marine propulsion applications, serving construction, mining, power generation and marine sectors across global markets.
Manufactured to strict OEM specifications and industrial-grade quality standards, the 10R-4844 injector reduces unplanned downtime, lowers long-term maintenance costs, and enhances overall engine reliability for fleet operators, equipment distributors, maintenance service providers and engine rebuild specialists. It adheres to standard OEM installation and maintenance protocols, with regular filter replacement and clean fuel usage supporting maximum component service life and operational stability.
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