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Caterpillar 3406 Complete Engine Filter Set | Oil Fuel Air Filters
Description
This complete engine filter set is designed for Caterpillar 3406 diesel engines, covering common variants such as 3406, 3406B, 3406C, and 3406E.
The set combines properly matched oil, fuel, and air filters to simplify maintenance and ensure stable engine protection across different operating conditions.
Widely used in generator sets, construction machinery, and industrial diesel power units, this filter combination helps maintain clean lubrication, fuel delivery, and intake airflow throughout regular service intervals.
Filter Configuration (Standard Set)
Oil Filter
Model: 1R-0716
Quantity: 2 pcs (parallel installation)
Designed for high oil flow and extended service intervals in heavy-duty engines
Fuel Filter
Model: 1R-0750
Provides effective fuel filtration to protect injectors and fuel systems
Common equivalent: Fleetguard FF5320
Air Filter
Model: 4L-9852
High dust-holding capacity for heavy-duty intake systems
Suitable for single or dual-stage air cleaner configurations
What’s Included in This Set
| Filter Type | Model | Quantity |
|---|---|---|
| Oil Filter | 1R-0716 | 2 |
| Fuel Filter | 1R-0750 | 1 |
| Air Filter | 4L-9852 | 1 |
Applications
This complete filter set is suitable for Caterpillar 3406 diesel engines used in:
Generator sets
Construction equipment
Industrial and stationary power units
Engine application may vary depending on equipment configuration. Always confirm filter specifications before installation.
Installation & Service Notes
Replace all filters during scheduled engine maintenance
Always prime the fuel system after replacing the fuel filter
Ensure correct sealing of oil and air filters before operation
Inspect for leaks after engine start-up
