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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Weight [kg] | 1,690 kg |
| Operating Mode | AU |
| Outer Diameter [mm] | 74 mm |
| Width of castor bearing surface [mm] | 38 mm |
OE/OEM numbers (6)
Search by this OE number to find compatible parts
- VOLVO—21257889
- VOLVO—3979980
- RENAULT TRUCKS—50 10 550 335
- RENAULT TRUCKS—74 03 979 980
- RENAULT TRUCKS—74 21 257 889
- VOLVO—8149879
About this product
Sourced from FEBI BILSTEIN, this belt tensioner v ribbed belt (18791) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Weight [kg]: Steel, 690 kg, Operating Mode: Exterior, Outer Diameter [mm]: 74 mm, Track rollers material: Composite, Housing material: Steel — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 02.03.20.226891, 031.443, 03-1664, 03-1664-1 and 93 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 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 (95)
Show all 95 OE numbers
Belt Tensioner V Ribbed Belt FEBI BILSTEIN 18791 — compatible car models
| Manufacturer article number (MPN) | 18791 |
|---|---|
| OE part numbers | 21257889, 3979980, 50 10 550 335, 74 03 979 980, 74 21 257 889, 8149879 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 18791 . Housing material: 1. Operating Mode: AU. Outer Diameter [mm]: 74 mm. Track rollers material: 18. Weight [kg]: 1,690 kg. Width of castor bearing surface [mm]: 38 mm
- 1x Belt Tensioner V Ribbed Belt
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 Belt Tensioner 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 Belt Tensioner V Ribbed Belt fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Belt Tensioner V Ribbed Belt have?
This FEBI BILSTEIN Belt Tensioner V Ribbed Belt has the following specifications: Weight [kg]: 1,690 kg; Operating Mode: AU; Outer Diameter [mm]: 74 mm; Track rollers material: 18; Housing material: 1; Width of castor bearing surface [mm]: 38 mm. Check the full specifications table above for complete details.
What OE part numbers does this Belt Tensioner V Ribbed Belt replace?
This Belt Tensioner V Ribbed Belt replaces OE part numbers: 21257889, 3979980, 50 10 550 335, 74 03 979 980, 74 21 257 889, 8149879. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Belt Tensioner V Ribbed Belt cost?
This FEBI BILSTEIN Belt Tensioner V Ribbed Belt is available for £61.99. Belt Tensioner 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 Belt Tensioner V Ribbed Belt?
Regular inspection of your Belt Tensioner 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 Belt Tensioner 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 Belt Tensioner V Ribbed Belt fitted by a professional mechanic.
Can I use this part as a replacement for OE 21257889?
Yes, this FEBI BILSTEIN Belt Tensioner V Ribbed Belt is a direct replacement for OE part number 21257889. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
