Husqvarna Norden 901 Air Filter: The Same Fix as the KTM 790/890
Share
Short answer: the Husqvarna Norden 901 shares its engine platform and airbox design with the KTM 790 and 890 Adventure, which means it inherits the same stock filter weaknesses and accepts the same fix. The complete FunnelWeb system fits the Norden directly: Full Kit (7336, $159.90), Main Filter with Frame (7339, $99.95), Spare Main Filter (7338, $39.95), Pre-Filter Plugs set of 2 (7337, $59.95), and the Rottweiler Performance Replacement Filter (7340, $47.94).
Same airbox, same problem, same solution
Under the Husqvarna bodywork sits the LC8c parallel twin and the same intake and airbox as its KTM siblings. The stock filter carries the same three weaknesses: questionable seal, poor fine-dust filtration, and a short service life. Norden owners who tour gravel and dust find the same dust-past-the-filter evidence that 790/890 owners report.
The FunnelWeb system replaces the stock filter and cage with a pyramid foam element on the FWF frame. It seals properly against the airbox, traps dust through the full depth of the oiled foam, and the pyramid profile doubles the external surface area so the filter holds roughly twice the dust before airflow drops. Wash it, re-oil it, run it again. Details on the seal issue: why the stock filter lets dust through.
Which setup for a Norden?
| How you ride | Recommended setup |
|---|---|
| Mostly pavement, occasional gravel | Main Filter with Frame (7339) |
| Regular dirt and dusty group rides | Full Kit (7336) with pre-filter plugs included |
| Multi-day backcountry trips | Full Kit (7336) plus a pre-oiled spare element (7338) in the luggage |
All options are on the Norden 901 product page. Orders over $80 ship free in the USA.
The Norden angle: distance
Nordens get ridden far. On a multi-week route the practical wins are the layered stages and the spare: refresh the pre-filter plugs at camp in minutes, leave the airbox sealed, and if the main element ever needs attention mid-trip, swap the pre-oiled spare and service the dirty one at leisure. Service frequency logic is the same as the KTM twins; see the 890 Adventure service interval guide.
Frequently asked questions
Is the Norden filter actually identical to the KTM one?
Yes. The parts are the same across the 790 Adventure, 890 Adventure, and Norden 901; the separate product pages exist so you can confirm fitment for your bike.
How do I clean and re-oil it?
Wash, dry completely, re-oil, reinstall. Never use No-Toil brand oil or cleaner on FunnelWeb foam; it attacks the adhesive. Full guide: cleaning and re-oiling a foam air filter.
Related: the complete KTM 790 & 890 Adventure air filter guide.