ATP 102028 Engine Harmonic Balancer

Part Number
ATP Engine Harmonic Balancer

Fits: 90-97 Ford Aerostar, 90-03 Ford Ranger, 91-02 Ford Explorer, 91-94 Mazda Navajo, 94-96 Mazda B4000, 98-02 Mercury Mountaineer, 01-03 Ford Explorer Sport Trac

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The purpose of an harmonic balancer is to absorb crankshaft vibrations. Harmonic balancers are typically constructed in three pieces. The first piece is often called a hub. It bolts to directly to the crankshaft. The hub is surrounded by rubber or fluid which dampens crankshaft vibrations. The outside layer is metal which has grooves on it for the belt. Over time the rubber and/or fluid layer deteriorate causing the outer pulley to shift forward. This causes belt miss alignment and can ultimately result in crankshaft failure. When the harmonic balancer is broken, it must be replaced. ATP Harmonic Balancers fit and function just like the original part restoring the engine to normal operation.



  • ATP Engine Harmonic Balancer
  • ATP Engine Harmonic Balancer
  • Ford Focus 2009
  • Engine Harmonic Balancer
  • auto; part; parts; hub; serpentine; dorman; pioneer; crank; damper; dampener; pulley



Groove Qty. 6Part Type: Serpentine Outer Diameter: 6.00 in



  • 1994-1996 Mazda B4000
  • 1990-1997 Ford Aerostar
  • 2001-2003 Ford Explorer Sport Trac
  • 1991-1994 Mazda Navajo
  • 1998-2002 Mercury Mountaineer
  • 1990-2003 Ford Ranger
  • 1991-2002 Ford Explorer
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