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S551/4 Heavy-Duty Primary Air Filter for Perkins Diesel Generators | Bowei Filter Factory
The S551/4 primary air filter is engineered for Perkins diesel engines and generator sets.
Bowei Factory produces this model with OEM-grade quality, using heavy-duty metal mesh, uniform filter pleats, and a strong sealing structure to ensure clean combustion and stable performance in industrial environments.
Applications
This filter is commonly used in:
Perkins industrial diesel generators
Power station equipment
Mining and construction machinery
Continuous-duty power environments
Heavy industrial air intake systems
It is a direct replacement primary air filter for Perkins intake housings.
S551/4 Production at Bowei Factory
Metal Mesh Forming
Full Production Line
Packaging Line
Warehouse & Inventory
| Item | Value |
|---|---|
| Outer Diameter | 351.6 mm |
| Inner Diameter | 240.7 mm |
| Length / Height | 406.4 mm |
The S551/4 is built with a heavy-duty steel outer mesh, reinforced inner support, and high-efficiency composite filter media.
We adopt the same production principles used in OEM heavy machinery filtration:
Uniform HV-grade filter paper
Strong metal end-cap forming
Even pleat spacing for low restriction
High dust-holding capacity
One-piece sealing structure for easy installation
All filters are produced in Bowei’s own factory, ensuring consistent quality, short lead time, and stable supply for distributors and generator service companies.
Why Choose Bowei Factory
Bowei Filter Factory provides:
In-house production of S551/4 with stable quality
HV-grade filter media and reinforced metal mesh
Export-ready packaging
Fast delivery with real stock available
OEM customization support
Long-term supply for generator maintenance companies
We operate complete production lines including cutting, pleating, mesh forming, assembly, and final inspection.
