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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Thickness [mm] | 4 mm |
| Length [mm] | 56 mm |
| Width [mm] | 27 mm |
| Weight [kg] | 0,005 kg |
OE numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—646 016 08 21
- MERCEDES-BENZ—A646 016 08 21
Where this part fits
Original-fit position for OE A6460160821.
About this product
Sourced from FEBI BILSTEIN, this seal injector shaft (43690) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Thickness [mm]: Copper mm, Length [mm]: 56 mm, Width [mm]: 27 mm, Weight [kg]: 0, 005 kg — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit MERCEDES-BENZ models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 01212800, 10 94 3690, 15-38449-01, 21SKV200 and 9 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive replacement 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 (11)
Seal Injector Shaft FEBI BILSTEIN 43690 — compatible car models
| Car models | MERCEDES-BENZ: C-CLASS T-Model (S204), C-CLASS (W204), E-CLASS Platform/Chassis (VF211), E-CLASS T-Model (S211), E-CLASS (W211) |
|---|---|
| Engines | C 200 CDI (204.207); C 200 CDI (204.007, 204.006); E 220 CDI (211.608); E 200 CDI (211.207); E 200 CDI (211.007) |
| Year of manufacture | 2002-2015 |
| Manufacturer article number (MPN) | 43690 |
| OE part numbers | 646 016 08 21, A646 016 08 21 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 43690 . Length [mm]: 56 mm. Thickness [mm]: 4 mm. Weight [kg]: 0,005 kg. Width [mm]: 27 mm
- 1x Seal Injector Shaft
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 Seal Injector Shaft compatible with my car?
This Seal Injector Shaft fits MERCEDES-BENZ 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 Seal Injector Shaft have?
This FEBI BILSTEIN Seal Injector Shaft has the following specifications: Thickness [mm]: 4 mm; Length [mm]: 56 mm; Width [mm]: 27 mm; Weight [kg]: 0,005 kg. Check the full specifications table above for complete details.
What OE part numbers does this Seal Injector Shaft replace?
This Seal Injector Shaft replaces OE part numbers: 646 016 08 21, A646 016 08 21. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal Injector Shaft cost?
This FEBI BILSTEIN Seal Injector Shaft is available for £2.99. Seal Injector Shaft 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 Seal Injector Shaft?
Regular inspection of your Seal Injector Shaft 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 Seal Injector Shaft?
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 Seal Injector Shaft fitted by a professional mechanic.
Can I use this part as a replacement for OE 646 016 08 21?
Yes, this FEBI BILSTEIN Seal Injector Shaft is a direct replacement for OE part number 646 016 08 21. 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 43690 the same as the FEBI BILSTEIN 36166?
No, while both are Seal Injector Shaft parts, they are different products. The FEBI BILSTEIN 43690 has Thickness [mm]: 4 mm, Length [mm]: 56 mm, Width [mm]: 27 mm. The FEBI BILSTEIN 36166 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.
