A Filter Factory Built for Global Buyers
From fuel, oil and air to marine, hydraulic and CCV filters — in-house tooling, die-casting, injection moulding, CNC, SMT and assembly in a 15,000 m² plant with 20+ lines. IATF 16949 and ISO 9001 certified; OEM/ODM and customer-brand production; quotes within 72 hours.
💬 24/7 Online Advisor
Product Categories
Fuel · Oil · Air · Marine · Water · Hydraulic · Cabin Air · Accessories · CCV — nine categories, one source
Fuel Filters
Diesel and gasoline fuel filters, spin-on and cartridge, with water separation to protect injectors.
Oil Filters
Engine and transmission oil filters built to OEM dimensions, spin-on and cartridge types.
Air Filters
Heavy-duty engine air filters and safety elements for trucks, plant and marine engines.
Marine Filters
Marine fuel filters and water separators for inboard, outboard and offshore engines.
Water Filters
Water filters and fuel/water separation elements for fuel systems and water treatment.
Hydraulic Filters
Hydraulic oil filters and elements for excavators, loaders and industrial circuits.
Cabin Air Filters
Cabin air filters in particle, activated carbon and polyphenol grades for trucks and cars.
Filter Accessories
Filter housings, bowls, covers, seals and adapters for filter assemblies.
CCV Filters
Crankcase ventilation filters that separate oil mist from blow-by gas on diesel engines.
Fuel Pumps
Electric fuel lift pumps for Perkins, JCB, ASV/Terex and Massey Ferguson engines.
Urea Filters (AdBlue / DEF)
Urea solution filters for SCR systems on trucks, buses and off-highway equipment.
Coolant Filters
Coolant filters that hold back rust and scale and release corrosion inhibitor.
Transmission Filters
Transmission oil filters and pan filters for automatic and automated gearboxes.
Air Dryer Cartridges
Spin-on desiccant cartridges that remove water and oil aerosol from brake air.
Spark Plugs
Spark plugs for Onan RV generator sets and other small gasoline engines. Platinum-tipped plugs with a 14 mm thread, supplied in pairs for routine ignition service.
Company: Precision industrial components manufacturer. One-stop B2B supplier of hydraulic, transmission, sensing and automation parts with OEM/ODM support.
Popular Products
OEM cross-reference and fitment at a glance — price or quote-on-request upfront, one-click inquiry
Air Filter Set 346-6687 346-6688 285.8 mm for Caterpillar D3 D4 D5
Fuel Filter LR009705 108 x 92 mm for Land Rover Discovery III IV Sport
CCV Filter CV50628 Crankcase Vent 67,500 Mile for Cummins L7500 L8500
Why FJFilter
48h quotes, flexible MOQ with tier pricing, AI-searchable specs, worldwide delivery — four verifiable sourcing commitments
48h Quotation
A dedicated sales engineer works with you directly — most inquiries get a full quotation within 48 hours
MOQ Tier Pricing
Flexible MOQ, better pricing at higher volumes; transparent tier discounts for long-term partners
AI Visibility (GEO)
Full specs published and structured — buyers find the exact part via ChatGPT, Gemini and other AI assistants
Global Logistics
FOB / CIF / DDP terms, EU & NA warehouse network, end-to-end tracking
Buyer FAQs
Lead time, MOQ, payment and shipping — the questions buyers ask most, answered here
FJFilter (Wuhu Youfan Auto Parts Co., Ltd.) is a precision filtration manufacturer. We design and produce fuel, oil, air, hydraulic, marine, cabin-air and CCV filters for global B2B buyers, with in-house tooling, die-casting, injection moulding, CNC machining and assembly in a 15,000 m² plant with 20+ lines; IATF 16949 and ISO 9001 certified, OEM/ODM and customer-brand production supported.
MOQ varies by product: 5–100 units for standard parts (see product page). Tier pricing decreases with volume. Custom parts usually ≥ 50 units, evaluated by process.
Stock/short-run: 8–50 days; bulk orders 35–60 days, depending on the actual order quantity and the agreed shipping method; custom 45 days or more incl. sampling, confirmed with the quotation. Note your deadline in the inquiry — sales will confirm capacity.
Add products to the inquiry list and submit with contact info. Sales contact you within 24h and issue a formal quotation (tier pricing + proforma invoice) within 72h. For custom parts or items developed from drawings, the quotation timeline is agreed with you case by case. The AI assistant can pre-fill inquiries in chat.
Latest Articles
Selection guides & industry insights
Cummins ISX 11.9L Crankcase Breather Filter: 904-7904 and CV50634 Cross-Reference
The crankcase breather filter on a Cummins ISX 11.9L strips oil mist out of blow-by gas before it reaches the intake. When it clogs, crankcase pressure finds the weakest seal - and a rear main seal job costs far more than the filter. Here is what to watch, when to change it and how the part numbers cross.
Read More →Ford 6.0L Powerstroke HFCM Fuel Pump: Diagnose, Replace and Prime
On a 2003-2007 Ford 6.0L Powerstroke the Horizontal Fuel Conditioning Module carries the lift pump, primary filter, water separator and fuel heater in one unit on the driver-side frame rail. Here is how to confirm the diagnosis, swap the assembly and prime it so it fires first time.
Read More →Duramax Fuel Filter Housing Failure Modes on 2004-2013 LLY, LBZ and LMM
On 2004-2013 Duramax trucks the fuel filter housing has three predictable failure points: a brittle primer button, a heater connector that melts and a brass bleeder screw that galls into aluminium. Here is what fails, what to check and what a replacement housing should include.
Read More →