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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Fitting Position | Front Left |
| Fitting Position | Front Right |
| Length [mm] | 32.6 mm |
| Weight [kg] | 0,034 kg |
| Thread Length [mm] | 25 mm |
| External Thread Size | M12 x 1.5 |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ / SMART—168 421 00 71
- MERCEDES-BENZ / SMART—A168 421 00 71
Where this part fits
Original-fit position for OE A1684210071. The red ring marks where this part installs on the vehicle.

About this product
The FEBI BILSTEIN Bolt Brake Caliper (39038) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Fitting Position: Front Left, Fitting Position: Front Right, Length [mm]: 32, Plastic mm, Weight [kg]: 0, 034 kg, Spanner Size: Composite. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit MERCEDES-BENZ, SMART 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: 10 93 9038, 168 421 00 71, A168 421 00 71. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive braking 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 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
Equivalent products (1)
Bolt Brake Caliper FEBI BILSTEIN 39038 — compatible car models
| Car models | MERCEDES-BENZ: A-CLASS (W168), A-CLASS (W169), B-CLASS Sports Tourer (W245), VANEO (414); SMART: FORFOUR (454) |
|---|---|
| Engines | A 140 (168.031, 168.131); A 150 (169.031, 169.331); B 150 (245.231); 1.6 (414.700); 1.1 (454.030) |
| Year of manufacture | 1997-2012 |
| Manufacturer article number (MPN) | 39038 |
| OE part numbers | 168 421 00 71, A168 421 00 71 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 39038 . Bolt Head-/Nut Design: 1. External Thread Size: M12 x 1,5. Fitting Position: VL. Fitting Position: VR. Length [mm]: 32,6 mm. Spanner Size: 18. Thread Length [mm]: 25 mm. Weight [kg]: 0,034 kg
- 1x Bolt Brake Caliper
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 Bolt Brake Caliper compatible with my car?
This Bolt Brake Caliper fits MERCEDES-BENZ, SMART 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 Bolt Brake Caliper have?
This FEBI BILSTEIN Bolt Brake Caliper has the following specifications: Fitting Position: VL; Fitting Position: VR; Length [mm]: 32,6 mm; Weight [kg]: 0,034 kg; Spanner Size: 18; Bolt Head-/Nut Design: 1. Check the full specifications table above for complete details.
What OE part numbers does this Bolt Brake Caliper replace?
This Bolt Brake Caliper replaces OE part numbers: 168 421 00 71, A168 421 00 71. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Bolt Brake Caliper cost?
This FEBI BILSTEIN Bolt Brake Caliper is available for £4.99. Bolt Brake Caliper 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 Bolt Brake Caliper?
Regular inspection of your Bolt Brake Caliper 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 Bolt Brake Caliper?
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 Bolt Brake Caliper fitted by a professional mechanic.
Can I use this part as a replacement for OE 168 421 00 71?
Yes, this FEBI BILSTEIN Bolt Brake Caliper is a direct replacement for OE part number 168 421 00 71. 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 39038 the same as the FEBI BILSTEIN 05153?
No, while both are Bolt Brake Caliper parts, they are different products. The FEBI BILSTEIN 39038 has Fitting Position: VL, Fitting Position: VR, Length [mm]: 32,6 mm. The FEBI BILSTEIN 05153 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.
