This replacement serpentine belt tensioner is just what you need to get your vehicle in good working order again! If you are hearing a whirring noise from the front of your engine or if your belt often screeches you may be in need of a new belt tensioner. This part commonly wears out between 60,000 and 70,000 Miles. If it fails suddenly it can leave you stranded.

Specifications:

  • Replaces one of many dealer part numbers including: F7LZ 6B209 AA, F7LZ6B209AA, F8AZ 6B209 AA, F8AZ6B209AA
  • Brand new, not rebuilt or remanufactured
  • Bolts to front of engine
  • Built to strict quality control standards
  • Direct replacement for the following engines as listed:
    • V8 4.6L (8th Vin Digit 6, 9, V, W, or X )

Note: To ensure fit please match the 8th digit of your VIN number to the VIN code in the title. Your vehicles VIN number can be found in the lower left corner of the windshield or on your registration.

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.

  1. step : Disconnect the battery (1:00)
    • Use your 8 mm wrench to disconnect the negative battery terminal
  2. step : Remove the serpentine belt (1:15)
    • Locate your serpentine belt routing diagram
    • Use a 3/8â€� ratchet handle to release tension from the belt tensioner.
    • Remove the serpentine belt.
    • Inspect the serpentine belt for excessive wear.
  3. step : remove the serpentine belt tensioner (2:37)
    • Unbolt the tensioner with your 10 mm socket and ratchet
    • Remove the tensioner.
  4. step : install the new serpentine belt tensioner (3:08)
    • Bolt the belt tensioner in with your 10 mm socket and ratchet.
    • Torque to 20-25 ft lbs.
  5. step : Replace your serpentine belt (3:48)
    • Use your serpentine belt routing diagram
    • Route the belt around the pulleys
    • Use the 3/8â€� drive ratchet to release tension and loop the belt over the last pulley.
    • Reconnect the negative battery terminal

Tools needed for replacement:

    Ratchets & Related

  • 3/8 Inch Drive Ratchet

  • Sockets - Metric

  • 10mm Socket

  • Wrenches - Metric

  • 8mm Wrench

5.0 / 5.0
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otdering parts
I order a lot of parts from 1-A Auto. I never worry about getting the right parts and the one time I had an issue, the problem was with the shipper and 1-A immediately shipped out a replacement order.
May 15, 2018
Purchased
3 months ago
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Vehicle Fit

  • 1992 Ford Crown Victoria Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W) (Built After 6/23/92 Production Date)
  • 1993-1999 Ford Crown Victoria Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W)
  • 1996-1999 Ford Crown Victoria Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit 9)
  • 1996 Ford Crown Victoria Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit 6)
  • 1996-1999 Ford Mustang Cobra Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit V)
  • 1996-1999 Ford Mustang Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit X)
  • 1994-1997 Ford Thunderbird Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W)
  • 1993-1998 Lincoln Mark VIII Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit V)
  • 1992 Lincoln Town Car Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W) (Built After 6/23/92 Production Date)
  • 1993-1999 Lincoln Town Car Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W)
  • 1994-1997 Mercury Cougar Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W)
  • 1992 Mercury Grand Marquis Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W) (Built After 6/23/92 Production Date)
  • 1993-1999 Mercury Grand Marquis Serpentine Belt Tensioner with Pulley V8 4.6L (8th Vin Digit W)

This part replaces:

  • OE # F8AZ 6B209 AA
  • OE # F7LZ 6B209 AA
  • Dorman 419-204
  • Reference Number 89218
  • Gates 38386
Part #: 1AEBT00025


Order must be placed by 4pm ET

How-to Video:

(05:59 min)