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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Weight [kg] | 1.10 kg |
| Outer Diameter [mm] | 73 mm |
| Width of castor bearing surface [mm] | 38 mm |
OE numbers (8)
Search by this OE number to find compatible parts
- VOLVO—20521447
- VOLVO—21153968
- VOLVO—21393207
- VOLVO—21766717
- RENAULT TRUCKS—74 20 521 447
- RENAULT TRUCKS—74 21 153 968
- RENAULT TRUCKS—74 21 766 717
- VOLVO—85031791
Where this part fits
Original-fit position for OE 21766717.
About this product
The FEBI BILSTEIN Deflection Guide Pulley V Ribbed Belt (30646) 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: Weight [kg]: Steel, Brass kg, Material: Composite, Number of ribs: Brass, Outer Diameter [mm]: 73 mm, Supplementary Article/Supplementary Info: 20. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 02.03.20.241640, 031.449, 03-1534TN, 03.19.032 and 72 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive engine timing 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
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (71)
Show all 71 OE numbers
Deflection Guide Pulley V Ribbed Belt FEBI BILSTEIN 30646 — compatible car models
| Manufacturer article number (MPN) | 30646 |
|---|---|
| OE part numbers | 20521447, 21153968, 21393207, 21766717, 74 20 521 447, 74 21 153 968, 74 21 766 717, 85031791 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 30646 . Material: 18. Number of ribs: 10. Outer Diameter [mm]: 73 mm. Supplementary Article/Supplementary Info: 20. Weight [kg]: 1,10 kg. Width of castor bearing surface [mm]: 38 mm
- 1x Deflection Guide Pulley V Ribbed Belt
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 Deflection Guide Pulley V Ribbed Belt 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 Deflection Guide Pulley V Ribbed Belt fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Deflection Guide Pulley V Ribbed Belt have?
This FEBI BILSTEIN Deflection Guide Pulley V Ribbed Belt has the following specifications: Weight [kg]: 1,10 kg; Material: 18; Number of ribs: 10; Outer Diameter [mm]: 73 mm; Supplementary Article/Supplementary Info: 20; Width of castor bearing surface [mm]: 38 mm. Check the full specifications table above for complete details.
What OE part numbers does this Deflection Guide Pulley V Ribbed Belt replace?
This Deflection Guide Pulley V Ribbed Belt replaces OE part numbers: 20521447, 21153968, 21393207, 21766717, 74 20 521 447, 74 21 153 968, 74 21 766 717, 85031791. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Deflection Guide Pulley V Ribbed Belt cost?
This FEBI BILSTEIN Deflection Guide Pulley V Ribbed Belt is available for £66.99. Deflection Guide Pulley V Ribbed Belt 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 Deflection Guide Pulley V Ribbed Belt?
Regular inspection of your Deflection Guide Pulley V Ribbed Belt 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 Deflection Guide Pulley V Ribbed Belt?
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 Deflection Guide Pulley V Ribbed Belt fitted by a professional mechanic.
Can I use this part as a replacement for OE 20521447?
Yes, this FEBI BILSTEIN Deflection Guide Pulley V Ribbed Belt is a direct replacement for OE part number 20521447. 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 30646 the same as the FEBI BILSTEIN 01231?
No, while both are Deflection Guide Pulley V Ribbed Belt parts, they are different products. The FEBI BILSTEIN 30646 has Weight [kg]: 1,10 kg, Material: 18, Number of ribs: 10. The FEBI BILSTEIN 01231 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
