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443-3666 Air Filter for Caterpillar C9.3 Engine | Bowei Filter Factory
Product Description
The 443-3666 air filter is designed for Caterpillar C9.3 engines, providing consistent airflow and dependable filtration in construction, industrial, and generator applications.
The polyurethane outer frame and pleated filter media offer excellent durability, dust-holding capacity, and long service life under high-load working environments.
Manufactured by Bowei Filter Factory, this model is built with stable molding, clean pleat formation, and strict QC inspection to ensure OEM-level performance for daily operation.
For quick reference, we also provide a simple installation diagram showing how the 443-3666 air filter clamps directly onto the C9.3 engine intake.
Key Specifications
Width: 249.6 mm
Height: 249.6 mm
Depth: 131.2 mm
Material: Polyurethane Plastic
Shape: Round
Type: Primary air filter
Application:
Compatible with:
Caterpillar C9.3 diesel engines (industrial machinery, loader, excavator, generator)
Why Choose Bowei Factory
Direct manufacturing—stable quality, stable supply
Carbon-steel structure for longer service life
Strong dust-holding capacity
Each filter tested for seal integrity and airflow performance
