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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Length [mm] | 420 mm |
| Weight [kg] | 4,638 kg |
| Inner Diameter [mm] | 200 mm |
| Outer Diameter [mm] | 349 mm |
OE/OEM numbers (10)
Where this part fits
Original-fit position for OE 1665937. The red ring marks where this part installs on the vehicle.

What's in the kit
This kit ships with 2 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | 30457 | Air cleaner
| 1 |
| 2 | 34095 | Air cleaner
| 1 |
About this product
FEBI BILSTEIN air filter (100460) maintains peak combustion efficiency by delivering a clean, metered airflow to the intake manifold while blocking dust, pollen, and fine road debris. Filter geometry — Length [mm]: 420 mm, Weight [kg]: Copper, 638 kg, Inner Diameter [mm]: 200 mm, Outer Diameter [mm]: 349 mm — is optimised to maximise surface area within the airbox housing, reducing restriction and extending service intervals without sacrificing filtration efficiency. Cross-references OE filter numbers: 03.14.013, 03.14.021, 033.106, 033.437 and 138 more. FEBI BILSTEIN air filtration elements are tested to ISO 5011 standards for fractional efficiency, ensuring the engine management system receives clean air data for accurate fuelling across all load points. Air filters should be inspected every 12,000–15,000 miles and replaced when visibly dirty or at least once a year — vehicles driven on dusty or unpaved roads may need more frequent changes. Symptoms of a clogged air filter include reduced acceleration, lower fuel economy, a rough idle, and in extreme cases the engine management light illuminating due to incorrect air-fuel ratios. Replacing an air filter is one of the simplest DIY tasks on any car — usually just unclip the airbox lid, lift out the old element, drop in the new one, and re-seal; no tools required on most vehicles. Choose a filter that matches the OEM filtration efficiency rating (typically 99%+ particle capture) — cheaper filters with lower efficiency let more abrasive particles through to cylinder bores and valve stems. A clean air filter can improve fuel efficiency by up to 10% and helps your engine breathe properly, extending the life of downstream sensors such as the mass airflow meter and oxygen sensors. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About FEBI BILSTEIN
febi bilstein, founded in 1844 in Ennepetal, Germany, is one of the oldest and most comprehensive automotive parts suppliers in the independent aftermarket. febi bilstein offers over 40,000 parts spanning steering, suspension, engine, braking, cooling, and electrical systems. Certified to IATF 16949 and supplying OE-quality components, febi bilstein products undergo rigorous testing to match original equipment performance. With nearly 180 years of German engineering tradition, febi bilstein is the go-to brand for reliable, competitively priced replacement parts.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (140)
Show all 140 OE numbers
Air Filter Kit FEBI BILSTEIN 100460 — compatible car models
| Manufacturer article number (MPN) | 100460 |
|---|---|
| OE part numbers | 1665937, 1665937 S1, 2104197, 2104197 S1, 21834210, 21834210 S1, 3162322, 3162322 S1, 8149961, 8149961 S1 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 100460 febi Plus. Filter type: 9. Inner Diameter [mm]: 200 mm. Length [mm]: 420 mm. Outer Diameter [mm]: 349 mm. Weight [kg]: 4,638 kg
- 1x Air Filter Kit
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Air Filter Kit compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Air Filter Kit fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Air Filter Kit have?
This FEBI BILSTEIN Air Filter Kit has the following specifications: Length [mm]: 420 mm; Weight [kg]: 4,638 kg; Inner Diameter [mm]: 200 mm; Outer Diameter [mm]: 349 mm; Filter type: 9. Check the full specifications table above for complete details.
What OE part numbers does this Air Filter Kit replace?
This Air Filter Kit replaces OE part numbers: 1665937, 1665937 S1, 2104197, 2104197 S1, 21834210, 21834210 S1, 3162322, 3162322 S1 and 2 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Air Filter Kit cost?
This FEBI BILSTEIN Air Filter Kit is available for £85.99. Air Filter Kit prices vary depending on brand, specifications, and vehicle compatibility. FEBI BILSTEIN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Air Filter Kit?
Regular inspection of your Air Filter Kit is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Air Filter Kit?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Air Filter Kit fitted by a professional mechanic.
Can I use this part as a replacement for OE 1665937?
Yes, this FEBI BILSTEIN Air Filter Kit is a direct replacement for OE part number 1665937. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the FEBI BILSTEIN 100460 the same as the FEBI BILSTEIN 100358?
No, while both are Air Filter Kit parts, they are different products. The FEBI BILSTEIN 100460 has Length [mm]: 420 mm, Weight [kg]: 4,638 kg, Inner Diameter [mm]: 200 mm. The FEBI BILSTEIN 100358 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.