Caterpillar original Fuel Injector Nozzle 4W7016 for Caterpillar C6121 3412 3406 3408, Replacement for OEM 8N7005, Cross Reference 7W7038, Compatible with 4W7015 original new injector
Caterpillar 4W7016 fuel injector nozzle
,C6121 3412 3406 3408 injector replacement
,OEM 8N7005 7W7038 compatible injector
Caterpillar original Fuel Injector Nozzle 4W7016 for Caterpillar C6121 3412 3406 3408, Replacement for OEM 8N7005, Cross Reference 7W7038, Compatible with 4W7015 original new injector
Fuel Type | Diesel |
Condition | Not specified |
Applicable Engine | CAT 3208, 3304, 3306, 3406, 3408 and 3412; industrial diesel, marine diesel and power generation engines |
Injector Type | Fuel Injector Nozzle |
Quality Standard | OEM Equivalent |
Packaging | Not specified |
Fuel System | Diesel Fuel Injection Systems |
OE Number | 4W7016 / 4W-7016 |
Brand | CAT |
Cross Number / Universal Number | Not specified |
Vehicle / Equipment Application | Excavators, wheel loaders, bulldozers, graders, mining trucks, generator sets, marine engines, agricultural equipment and industrial power units |
Application Type | Construction, mining, industrial, marine, agricultural and generator-set applications |
Designed for the final metering stage of Caterpillar diesel fuel injection, the CAT 4W7016 fuel injector nozzle controls fuel delivery through precision nozzle orifices. As injection pressure overcomes nozzle spring force, the needle lifts and fuel is atomized into fine droplets for mixing with compressed air. This process supports efficient combustion, engine power output, fuel economy, emission control, cold starting and overall engine durability.
Manufactured from heat-treated, high-strength alloy steel, the nozzle combines a precision-machined body with wear-resistant internal components. Its OEM-equivalent quality level and OEM dimensional accuracy are intended to provide consistent injection pressure performance, precise fuel atomization and long operational life in high-pressure injection environments. The product is backed by a 12-month warranty and is suited to engine rebuilders, diesel injection specialists, aftermarket distributors, maintenance contractors and overhaul facilities.
Listed engine families include CAT 3208, 3304, 3306, 3406, 3408 and 3412, together with industrial, marine and power-generation diesel engines. Equipment applications cover excavators, wheel loaders, bulldozers, graders, mining trucks, generator sets, marine engines, agricultural equipment and industrial power units. Because nozzle references may vary with injector assemblies, reman injectors, rebuild kits and regional distributor listings, buyers should confirm compatibility using the engine serial number and injector assembly configuration before ordering.
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Contact Detail:
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Caterpillar original Fuel Injector Nozzle 4W7016 for Caterpillar C6121 3412 3406 3408, Replacement for OEM 8N7005, Cross Reference 7W7038, Compatible with 4W7015 original new injectorFuel TypeDieselConditionNot specifiedApplicable EngineCAT 3208, 3304, 3306, 3406, 3408 and 3412; industrial diesel, ...