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6I2501 Air Filter for Caterpillar 3304 / 3306 / 3116 Diesel Engines
| Specification | Details |
|---|---|
| Part Number | 6I2501 |
| Product Type | Engine Air Filter |
| Dimensions (mm) | Height: 281.6 mm × Width: 281.6 mm × Depth: 339 mm |
| Shape | Round |
| Media Type | Standard HV Filter Paper |
| Structure | Metal Mesh Core with PU End Caps |
| Application | Diesel Engines and Generator Sets |
| Compatible Engine Models | 3304, 3306, D333C, 3126, 3126B, 3116, 3306B, D330C |
| Brand | Bowei Filter Factory |
| Filtration Efficiency | ≥ 99% for fine dust particles |
| Function | Removes dust and impurities from intake air for cleaner combustion |
Our 6I2501 air filter is a high-quality replacement element designed for Caterpillar 3304, 3306, 3116, and 3126 engine series.
It is widely used in generator sets, construction machinery, and industrial diesel engines, providing clean airflow and ensuring consistent engine performance.
Constructed with PU end caps, a reinforced metal mesh inner core, and high-efficiency HV filter paper, this model delivers reliable protection against airborne contaminants and extends engine life in dusty or harsh environments.
The 6I2501 features excellent dust holding capacity, precise sealing, and stable airflow, making it an ideal aftermarket replacement for OEM filters on CAT 3306B, D333C, and D330C applications.


