OE-grade cabin air filter PM1009 (OE 8K0 819 439A) - a direct-fit replacement delivering clean, reliable filtration for Audi A4L A5 Q5 S5 models including Audi A4L.
| Filter Type | Cabin Air Filter |
|---|---|
| OE / OEM Reference | 8K0 819 439A |
| Applicable Vehicles | Audi A4L |
| Filter Media | Audi A5 |
| Service Interval | Audi Q5 |
The PM1009 cabin air filter is a precision-engineered replacement filter developed for Audi B8 applications, serving as the first line of defence that protects the engine and its sensors from abrasive dust, soot and airborne contaminants. Built to the original-equipment dimensions of reference number 8K0 819 439A, this Manbao PM1009 unit delivers a trouble-free, direct-fit replacement for owners who demand both reliability and value.
At the core of the PM1009 lies an activated-carbon-infused non-woven media with a pre-filter layer. Independent bench testing shows the element sustains a high dust-holding capacity while traps PM2.5, pollen, exhaust gases and odours before they enter the passenger compartment, so occupants breathe cleaner air and the HVAC system stays free of contaminant buildup. On modern Audi B8 powertrains this helps maintain power delivery, protects sensitive intake and emission components, and supports longer, healthier service intervals. The media is also humidity- and temperature-stable, so performance does not degrade between services even in hot, humid or freezing-cold climate operation.
Covering a broad fitment range, the PM1009 cabin air filter is specified for Audi A4L, Audi A5, Audi Q5, Audi S5, and Audi B8-platform models. Whether the vehicle is used for daily city commuting, long-distance highway travel, or operation on dusty rural and construction-site roads, the filter keeps consistent filtration efficiency across its whole service life, reducing unplanned maintenance and helping the Audi B8 run as the factory intended. Replacing the element at the recommended interval is one of the simplest, lowest-cost steps an owner can take to protect long-term reliability and avoid far more expensive downstream repairs.
Manufactured under a strict ISO/TS-quality management system, every PM1009 cabin air filter is produced with laser-cut, OE-matched tooling and a fully bonded seal that prevents bypass leakage. Three-stage carbon loading handles the B8 Audi's recirculation-heavy climate use without premature clogging.
Every PM1009 cabin air filter leaves the factory only after incoming-material inspection, in-process dimensional checks and a final fit-and-seal verification, so the part in the box matches the OE sample it was benchmarked against. Backed by Manbao's filtration know-how and consistent batch-to-batch quality, the PM1009 gives workshops a reliable, repeatable component and gives owners confidence on every service interval, with no surprise fitment issues at installation time.
Installation is tool-friendly: the PM1009 drops into the factory housing without modification, cutting service time for both workshops and DIY owners. Cross-referenced to OE 8K0 819 439A and listed under Manbao part number PM1009, it is the dependable choice for fleet operators and individual drivers who want OEM-grade filtration without the dealership price. Choose the PM1009 cabin air filter to keep your Audi B8 breathing clean and performing at its best.
| Parameter | Value |
|---|---|
| Filter Type | Cabin Air Filter |
| Manbao Part No. | PM1009 |
| OE / OEM Reference | 8K0 819 439A |
| Applicable Vehicles | Audi A4L, Audi A5, Audi Q5, Audi S5, and Audi B8-platform models |
| Filter Media | an activated-carbon-infused non-woven media with a pre-filter layer |
| Filtration | PM2.5 + pollen + odour (activated carbon) |
| Frame | precision-moulded, exact OE housing seal |
| Flow | maintains HVAC airflow, no excessive pressure drop |
| Service Interval | typically 10,000-15,000 km or once per year |
| Package | 1 pc / box |
We are a professional filter manufacturer located in Qinghe, Hebei Province. We own a 40,000‑square‑meter modern factory, full‑set production lines and independent R&D laboratory. All products are produced in‑house.
We have passed ISO 9001 and IATF 16949 quality management system certifications. We built a provincial‑level physical‑chemical lab for filter performance testing to guarantee product stability.
Our product range covers automotive oil filters, air filters, cabin filters, transmission filters, as well as industrial filtration elements. Custom‑developed filters are also available.
Yes. Our R&D team supports custom solutions including filter size, filter media, housing material and performance parameters. We can finish sample testing before mass production.
MOQ depends on product types. For standard stock filters, small trial orders are acceptable. For custom‑made filters, higher MOQ will apply, please contact our sales for detailed info.
We have complete production capacity, sufficient raw‑material stock and mature logistics network. Dedicated sales managers track every order, to meet different customers’ shipping schedules.
We provide 24‑hour dedicated account manager support. Any quality feedback will be followed and evaluated quickly based on our full‑process traceability system.
Yes. Our internal laboratory can generate performance test reports for filters. Third‑party test documents can also be arranged upon customer request.
