FEBI BILSTEIN 38981 Belt Tensioner, V-Ribbed Belt

Compatible with AUDI A8 D3 (4E2, 4E8) , VW TOUAREG (7LA, 7L6, 7L7) , VW PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9) Show more info
Ensures optimal belt tension for reliable accessory drive function. Designed for durability and consistent performance.
51.40 EUR
inc. VAT 21%
In stock 21
Delivery 1 day (15.05.2026)
PN 38981
Make FEBI BILSTEIN
EAN 4027816389811

This FEBI BILSTEIN belt tensioner is engineered to maintain the correct tension on your V-ribbed belt. Proper tension is crucial for the efficient operation of all belt-driven accessories, including the alternator, power steering pump, and air conditioning compressor. Crafted with high-quality materials, this tensioner is built to withstand the demanding conditions of the engine bay. It provides consistent performance and longevity, reducing the risk of premature belt wear or failure. Installation is straightforward, ensuring a proper fit for your vehicle. By ensuring the V-ribbed belt remains taut, this tensioner helps prevent slipping, squealing, and inefficient operation of your vehicle's accessories. It is a vital component for maintaining the overall health and functionality of your engine's drive system.

  • Maintains optimal V-ribbed belt tension
  • Ensures efficient accessory drive operation
  • Constructed with durable, high-quality materials
  • Designed for consistent performance and longevity
  • Helps prevent belt slippage and squealing
  • Crucial for alternator, power steering, and A/C function
  • Direct fit for specified vehicle applications
  • Engineered by FEBI BILSTEIN for reliability
Roller support surface width [mm]
3:1
Housing material
Aluminum
Roller material
Metal
Outer diameter [mm]
+70
Operating mode
mechanical
  • AUDI
    • A8 D3 (4E2, 4E8)
      • 4.2 quattro (246kW/335PS)
      • 3.7 quattro (206kW/280PS)
  • VW
    • TOUAREG (7LA, 7L6, 7L7)
      • 4.2 V8 (228kW/310PS)
    • PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9)
      • 4.2 V8 4motion (246kW/335PS)
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