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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Length [mm] | 280 mm |
| Width [mm] | 203 mm |
| Height [mm] | 28 mm |
| Weight [kg] | 0.18 kg |
OE numbers (3)
Search by this OE number to find compatible parts
- AUDI—4D0 819 439 A
- AUDI—4D0 898 438
- AUDI—4D0 898 438 A
Where this part fits
Original-fit position for OE 4D0898438.
About this product
FEBI BILSTEIN Filter Set Cabin Air (21702) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 280 mm, Width [mm]: 203 mm, Height [mm]: 28 mm, Weight [kg]: 0, Composite kg, Filter type: Carbon — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 002-20-01707, 002-20-03318, 07.59.048, 09-0203 and 131 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive filtration components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with 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
Equivalent products (142)
Show all 142 OE numbers
Filter Set Cabin Air FEBI BILSTEIN 21702 — compatible car models
| Car models | AUDI: A8 D2 (4D2, 4D8), A8 D3 (4E2, 4E8) |
|---|---|
| Engines | 2.5 TDI; 3.0 quattro |
| Year of manufacture | 1994-2010 |
| Manufacturer article number (MPN) | 21702 |
| OE part numbers | 4D0 819 439 A, 4D0 898 438, 4D0 898 438 A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 21702 . Filter type: 8. Height [mm]: 28 mm. Length [mm]: 280 mm. Weight [kg]: 0,18 kg. Width [mm]: 203 mm
- 1x Filter Set Cabin Air
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Filter Set Cabin Air compatible with my car?
This Filter Set Cabin Air fits AUDI vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Filter Set Cabin Air have?
This FEBI BILSTEIN Filter Set Cabin Air has the following specifications: Length [mm]: 280 mm; Width [mm]: 203 mm; Height [mm]: 28 mm; Weight [kg]: 0,18 kg; Filter type: 8. Check the full specifications table above for complete details.
What OE part numbers does this Filter Set Cabin Air replace?
This Filter Set Cabin Air replaces OE part numbers: 4D0 819 439 A, 4D0 898 438, 4D0 898 438 A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Filter Set Cabin Air cost?
This FEBI BILSTEIN Filter Set Cabin Air is available for £42.99. Filter Set Cabin Air 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 Filter Set Cabin Air?
Regular inspection of your Filter Set Cabin Air 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 Filter Set Cabin Air?
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 Filter Set Cabin Air fitted by a professional mechanic.
Can I use this part as a replacement for OE 4D0 819 439 A?
Yes, this FEBI BILSTEIN Filter Set Cabin Air is a direct replacement for OE part number 4D0 819 439 A. 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 21702 the same as the FEBI BILSTEIN 09436?
No, while both are Filter Set Cabin Air parts, they are different products. The FEBI BILSTEIN 21702 has Length [mm]: 280 mm, Width [mm]: 203 mm, Height [mm]: 28 mm. The FEBI BILSTEIN 09436 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.
