China Air Filter Manufacturer & OEM Supplier for Diesel Engines and Generator Sets
Reliable OEM replacement filters for Caterpillar, Cummins, Perkins, Volvo, and MTU.
Replacement Air Filters
We provide high-quality replacement filters that match OEM standards and fit diesel engines across industries.
Competitive Price
Our factory-direct pricing ensures excellent value without compromising on durability, performance, or quality.
Quick Delivery
With strong inventory and efficient logistics, we guarantee fast global shipping and reliable order fulfillment.
About Us
Founded in 2012 in Jinan, China, Bowei Filter Factory is a professional air filter manufacturer and factory specializing in heavy-duty diesel engine air filters for generator sets, construction machinery, marine, and industrial power equipment. With over a decade of manufacturing experience, we make air filters in our own factory, focusing on stable quality, consistent dimensions, and reliable performance under harsh working conditions. Through our export brand Broadwide, we supply OEM-quality air filters at factory-direct prices, supporting bulk orders, wholesale supply, and custom OEM / ODM production for global markets. Our products are widely sourced by traders, distributors, dealers, exporters, and sourcing agencies serving diesel generators, marine engines, construction equipment, and industrial engines worldwide.
Why Choose Bowei
At Bowei, quality is not a slogan — it’s a process.
Every air filter is designed, tested, and packed under ISO quality control to ensure long-lasting engine protection.
| Advantage | Description |
|---|---|
| Factory Price | Direct manufacturing saves you up to 40% compared to OEM filters. |
| OEM Compatibility | 1:1 cross reference fit for Caterpillar, Cummins, Perkins, Volvo, and MTU engines. |
| HV Filter Paper | Imported HV media ensures higher dust capacity and low pressure drop. |
| PU Molding Technology | Excellent sealing and vibration resistance for harsh working conditions. |
| Fast Delivery | 15-day average production time with stable export logistics. |
Broadwide – Our Export Brand
All Bowei filters exported overseas are branded under Broadwide, representing the same OEM-level quality and backed by Bowei’s factory testing standards.
Whether you are a distributor or service company, we provide private label packaging, OEM cross references, and stable supply for long-term cooperation.
What We Supply
Complete Air Filtration Solutions for Diesel Engines
Our air filter product range covers:
Diesel generator air filters
Marine engine air filters
Construction and industrial engine air filters
Disposable air filter housings and filter elements
We provide custom air filter fabrication, including size adjustment, end-cap design, filter media selection, branding, and packaging, to meet different OEM, ODM, and private label requirements.
OEM / ODM & Wholesale Cooperation
We offer flexible cooperation models:
OEM manufacturing for engine brands and service companies
ODM solutions for customized designs and applications
Wholesale and bulk supply for distributors and importers
Export services for traders, sourcing agencies, and international buyers
Whether you are a wholesaler, dealer, exporter, or importer, we provide scalable production capacity and stable delivery for long-term cooperation.
Why Choose Us
Direct factory manufacturing, not trading-only
Stable quality control throughout the manufacturing process
Support for custom, bulk, OEM and ODM orders
Experience serving international export and wholesale markets
Our goal is to become a reliable air filter manufacturing partner, not just a product supplier.
Looking for a Reliable Air Filter Manufacturer in China?
Contact us to discuss OEM, ODM, wholesale, or bulk sourcing solutions for diesel engine air filters.
Our team will support you with technical confirmation, production planning, and export services.
Our air filters are compatible with major diesel engine brands, including:
Caterpillar
Cummins
Perkins
Volvo Penta
MTU
Ingersoll Rand
Power generation & diesel gensets
Mining and construction equipment
Industrial air compressors
Agricultural and marine engines
As a professional aftermarket air filter manufacturer, we help customers reduce sourcing costs while maintaining reliable performance and stable supply.
Generator Set Air Filters
We offer a wide range of high-quality diesel generator air filters built for durability and top performance.
Marine Air Filters
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Mining Machinery Air Filters
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Agricultural Machinery Air Filters
Agriculture air filters are necessary to protect tractor drivers when they are cultivating land and wroking .
Industrial Air Filters
Bowei industrial air filters are the most highly efficient on the market, helping equipment extend long life, effectively saving maintenance costs.
High Flow Air Filters
Bowe high-flow air filters are manufactured replacement for original equipment filters, high performance. It is applicable to modified vehicles, heavy trucks and motorcycles.
Hot Sales Filters
We specialize in the manufacturing and wholesale supply of high-efficiency air filters for diesel generator sets and industrial engines.
As a China-based air filter factory and OEM supplier, we produce generator air filters, marine air filters, mining and agricultural machinery air filters, industrial air filters, and high-flow air filtration solutions for global markets.
Designed for harsh working conditions, our air filters provide efficient filtration, durable performance, and long service intervals, helping reduce maintenance costs and extend engine life.
These products are widely sourced by importers, exporters, distributors, and sourcing agencies looking for stable quality and factory-direct supply.
Bowei Filter Services
Our services are designed to help you reduce operating costs
Original-level filtration performance at 60% of the price
100% compatible with Cummins/Carter/Volvo/MTU/John Deere/Perkins/K&N
Ready to use, no need to modify the engine intake system
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Our Clients
With 13 years of experience in air filters, we have gained recognition from customers from different countries
What Our Clients Say
