Specifications:

  • Alternator Belt Tensioner
  • Includes pulley
  • Replaces dealer part numbers: 058903133D, 058 903 133 D
  • Direct replacement
  • Built to strict quality control standards

 

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Accessing the Tensioner (0:55)
    • Remove the engine oil dipstick
    • Pull off the plastic engine cover
    • Insert the oil dipstick
    • Pull the radiator hose aside for better access
  2. step : Testing the Belt Tensioner (1:29)
    • Pull on the belt by hand to test tension
    • If the belt moves by hand, the tensioner is worn
  3. step : Removing the Belt Tensioner (1:42)
    • Attach a 13mm socket with ratchet and extension or vise grip pliers to the tensioner knob
    • Pull the tensioner aside to release tension from the belt
    • Pull the belt off the tensioner and the alternator
    • Release the tensioner
    • Remove the three 13mm bolts from the belt tensioner
    • Pull the tensioner off, up, and out of the engine compartment
  4. step : Installing the New Belt Tensioner (3:32)
    • Put the new tensioner into place
    • Start one of the 13mm bolts by hand
    • Start the other two 13mm bolts by hand
    • Tighten the three 13mm bolts to between 25 – 30 foot-pounds
    • Consult a belt diagram if necessary
    • Attach vise-grip pliers to the tensioner knob
    • Pull the tensioner aside
    • Pull the belt over the alternator
    • Release the tensioner
  5. step : Reinstalling the Engine Cover (4:58)
    • Remove the oil dipstick
    • Put the plastic engine cover back on
    • Insert the engine oil dipstick

Tools needed for replacement:

    Pliers, Cutters & misc Wrenches

  • Vise Grip Pliers

  • Ratchets & Related

  • Socket Extensions
  • Ratchet

  • Sockets - Metric

  • 13mm Socket

  • Wrenches - Metric

  • 13mm Wrench

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Vehicle Fit

  • 1997-2001 Audi A4 Alternator Serpentine Belt Tensioner with Pulley L4 1.8L Turbo
  • 1997-2001 Audi A4 Quattro Alternator Serpentine Belt Tensioner with Pulley L4 1.8L Turbo
  • 1998-2005 VW Passat Alternator Serpentine Belt Tensioner with Pulley L4 1.8L Turbo

This part replaces:

  • OE # 058903133D
  • Reference Number 89285
  • Gates 38151
Part #: 1AEBT00045

Ships Same Day for orders placed by 4 P.M. ET

How-to Video:

(05:33 min)