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Caterpillar original 254-4340 Fuel Pump Injector 387-9432 for Excavator C9 Engine, for heavy duty diesel engine application, Replacement for 557-7633, Cross Reference 387-9434 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 254-4340 |
| MOQ: | 1 |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 254-4340 fuel injector
,C9 engine diesel injector
,387-9432 excavator injector
Caterpillar original 254-4340 Fuel Pump Injector 387-9432 for Excavator C9 Engine, for heavy duty diesel engine application, Replacement for 557-7633, Cross Reference 387-9434 original new injector
Fuel Type | Diesel |
Condition | New |
Applicable Engine | Caterpillar C9 / C9 ACERT 8.8L inline 6-cylinder, 4-stroke diesel engine (112 mm bore x 149 mm stroke) |
Injector Type | Diesel fuel injector assembly (Common Rail / HEUI style fuel injection component) |
Quality Standard | Original replacement / aftermarket |
Packaging | Supplied as a single injector or a full matched set, according to customer requirements |
Fuel System | Direct-injection diesel fuel system |
OE Number | 254-4340 (also searched as 2544340, CA2544340) |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 254-4339, 387-9433, 387-9434, 10R-7222, 266-4446, 328-2574, 328-2576, 293-4072, 235-2888, 268-1839, 188-8739, 172-5780, 236-0962 (cross-reference database for identification only; verify by engine serial number before purchase) |
Vehicle / Equipment Application | CAT 330D, 336D, 336DL, 336DLN excavators |
Application Type | Construction machinery, excavator repair, mining machinery, diesel engine maintenance, fleet service, engine rebuilding |
The Caterpillar C9 Fuel Injector 254-4340, also referenced as 2544340 and CA2544340, is a diesel fuel injector assembly engineered for CAT C9 diesel engines, with its strongest application match in Caterpillar 330D, 336D, 336DL, and 336DLN excavators. As a core engine fuel system component, it serves the C9 platform — an inline 6-cylinder, 4-stroke, 8.8 L direct-injection diesel with a 112 mm bore and 149 mm stroke in turbocharged, aftercooled configuration.
Designed for heavy-duty industrial service, this injector is built for reliable diesel fuel delivery, precise atomization control, and stable combustion, supporting engine response, fuel economy, emission consistency, and long service life. These characteristics make it a practical replacement solution for machines working under demanding duty cycles in construction, mining, quarrying, earthmoving, and infrastructure operations, where consistent injection performance helps control downtime and maintenance cost.
The 254-4340 suits excavator repair, diesel engine maintenance, fleet service, and engine rebuilding programs, and can be supplied as a single injector or as a full matched set according to customer requirements. Related C9 injector numbers — including 254-4339, 387-9433, 387-9434, 10R-7222, 328-2574, and 293-4072 — form a cross-reference database for search and identification rather than automatic one-to-one replacements. Because injector selection varies by engine serial number, emission configuration, and fuel system calibration, buyers should confirm compatibility by engine serial number, machine model, and original injector number before ordering.
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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
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
