Caterpillar original Replacement Common Rail Diesel Fuel Injector 10R-7668 321-0990 for Caterpillar C6.6 Engine, Cross Reference 10R-7671, 10R-7673, for Excavator Spare Parts original new injector
Product Details
Caterpillar C6.6 diesel fuel injector
,10R-7668 common rail injector
,Excavator replacement fuel injector
Caterpillar original Replacement Common Rail Diesel Fuel Injector 10R-7668 321-0990 for Caterpillar C6.6 Engine, Cross Reference 10R-7671, 10R-7673, for Excavator Spare Parts original new injector
|
Fuel Type |
Diesel |
|
Condition |
N/A |
|
Applicable Engine |
CAT C6 Engine, CAT C6.4 Engine, CAT C6.6 Engine, Selected CAT C4.4 Platforms |
|
Injector Type |
Electronically Controlled Common Rail Diesel Injector |
|
Quality Standard |
ISO Manufacturing Standard, OEM Performance Standards |
|
Packaging |
N/A |
|
Fuel System |
High Pressure Common Rail Fuel Injection System |
|
OE Number |
10R-7668 |
|
Brand |
Caterpillar (CAT) |
|
Cross Number / Universal Number |
326-4700 (3264700), 267-9710 (2679710), 387-9433 (3879433), 295050-0460 |
|
Vehicle / Equipment Application |
CAT 320D, 320D L, 320D2, 321D, 323D, 324D, 325D Excavators, CAT Loader Platforms, CAT Generator Sets, CAT Industrial Engines |
|
Application Type |
Construction Equipment, Industrial Equipment, Generator Sets |
As a precision-built fuel system component for Caterpillar heavy-duty diesel platforms, the 10R-7668 common rail diesel injector is engineered to match OEM performance specifications for C6 series engine lines. It is compatible with CAT C6, C6.4, C6.6 engines and select C4.4 platforms, with verified cross-reference part numbers including 326-4700, 267-9710, 387-9433 and 295050-0460 to streamline parts sourcing for equipment maintenance, repair and overhaul operations.
Integrated into Caterpillar’s high-pressure common rail fuel injection system, the injector receives signals from the engine’s Electronic Control Module to set injection timing, open its solenoid needle valve and deliver finely atomized diesel into the combustion chamber. This precise fuel metering optimizes combustion efficiency, cuts fuel consumption, reduces particulate emissions, boosts engine power output and extends overall engine service life for demanding operational cycles.
Each 10R-7668 injector is manufactured in compliance with ISO manufacturing standards and validated through flow testing, leak testing, response time testing and nozzle calibration to deliver industrial-grade durability. It fits a wide range of CAT excavators, loaders, generator sets and industrial power units used across construction, mining, power generation and material handling sectors, and is backed by a 12-month warranty for B2B customer confidence.
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