The Choice of Skilled Mechanics
Since 2003, we've been manufacturing with our founding team's 30-plus years of experience in filtration.
WELT Filter manufactures oil, air, fuel, cabin, dust, crankcase breather and hydraulic filters across a wide range — from passenger cars to heavy-duty vehicles, from agricultural machinery to construction equipment. With more than 30 years of filtration experience, we aim to be a supplier trusted by both domestic workshops and international partners.
The media, gasket and housing materials used in our filters are selected to match OEM part dimensions and performance exactly; most of our cartridge (element) products are manufactured without metal components to reduce waste. For every product category, we maintain a cross-reference database that goes through comparative verification against original part references.
On this site, for every WELT code you can see its OEM and aftermarket brand codes, with verified and not-yet-verified matches clearly distinguished. If a code you're looking for isn't in our database yet, get in touch — we're continuously expanding our product range.
Our Quality Approach
Dimensional and material controls are applied at every stage from production to shipment. Our products undergo durability and efficiency testing in modern laboratories in line with international standards, and housings go through automated leak testing.
When installed and operated per the instructions, if a product is found to have a material or manufacturing defect, we replace the faulty filter at no cost and cover repair costs for parts damaged as a result of the filter failure. Contact us for quality certificates and technical data sheets.
Product Categories
- Oil Filter
- Air Filter
- Fuel Filter
- Cabin (Pollen) Filter
- Dust Filter
- Crankcase Breather Filter
- Hydraulic Filter