ATP Parts 102387 Engine Harmonic Balancer

Brand ATP Parts 102387
Inside Diameter 1.125
Inside Diameter 28
Outside Diameter 160
Outside Diameter 6.3125
Outside Diameter 86
Grade Type Standard replacement
Drive Belt Type Serpentine
Bolt And Washer Included No
Depth 3.5625
Depth 90
LineCode Atp2
Fits Ford and Mercury · 24 vehicles

Standard replacement. Built for routine harmonic balancer service with OE-style fitment dimensions.

Serpentine belt application. Configured for engines using a serpentine drive belt system.

Dimension-matched design. Listed inside, outside, and depth measurements support accurate replacement selection.

$415.71Free shipping
In stock · usually ships same day before 1pm CST
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Order total $415.71
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Harmonic Balancer Overview

ATP Parts 102387 is a standard replacement engine harmonic balancer for serpentine belt applications. It is built to match the listed dimensions and fitment for select Ford and Mercury vehicles, including the Ford Five Hundred, Ford Freestyle, and Mercury Montego.

Key Features

  • Standard replacement harmonic balancer for engine vibration control.
  • Serpentine drive belt type application.
  • Inside diameter: 1.125 in. / 28 mm.
  • Outside diameter: 6.3125 in. / 160 mm / 86 mm.
  • Depth: 3.5625 in. / 90 mm.
  • Bolt and washer not included.

Detailed Description

This ATP Parts harmonic balancer, part number 102387, is intended for engines using a serpentine belt system and standard replacement dimensions. Harmonic balancers help reduce crankshaft vibration and keep rotating engine components operating smoothly. With the listed diameter and depth specifications, this part number 102387 is a direct reference point when replacing the original balancer on compatible Ford Five Hundred, Ford Freestyle, and Mercury Montego applications.

Compatible With 2005-2007 Ford Five Hundred, N/A; 2005-2007 Ford Freestyle, N/A; 2005-2007 Mercury Montego, N/A.

What It Is Used For

  • Replacing a worn or damaged harmonic balancer.
  • Addressing crankshaft vibration at the front of the engine.
  • Restoring proper serpentine belt drive operation.
  • Correcting noise or wobble related to balancer wear.

Installation Notes and Tips

Verify the inside diameter, outside diameter, and depth against the original part before installation. Confirm serpentine belt routing and inspect the crankshaft snout, pulley surfaces, and adjacent belt-driven components for wear. Bolt and washer are not included, so reuse or source the required fasteners as needed based on the vehicle service procedure.

Quality Assurance

ATP Parts 102387 is a standard replacement component identified by part number 102387 for the listed applications. Confirm fitment by matching the vehicle, engine configuration, and dimensional specifications before installation.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersFuel TypeNotes
2007FordFive HundredSELSedan3.0LV6GAS—
2007FordFive HundredLimitedSedan3.0LV6GAS—
2007FordFreestyleSELWagon3.0LV6GAS—
2007FordFreestyleLimitedWagon3.0LV6GAS—
2007MercuryMontegoPremierSedan3.0LV6GAS—
2007MercuryMontegoLuxurySedan3.0LV6GAS—
2006FordFive HundredSELSedan3.0LV6GAS—
2006FordFive HundredSEL PremiumSedan3.0LV6GAS—
2006FordFive HundredSESedan3.0LV6GAS—
2006FordFive HundredLimitedSedan3.0LV6GAS—
2006FordFreestyleSELWagon3.0LV6GAS—
2006FordFreestyleSEWagon3.0LV6GAS—
2006FordFreestyleLimitedWagon3.0LV6GAS—
2006MercuryMontegoPremierSedan3.0LV6GAS—
2006MercuryMontegoLuxurySedan3.0LV6GAS—
2005FordFive HundredSELSedan3.0LV6GAS—
2005FordFive HundredSEL PremiumSedan3.0LV6GAS—
2005FordFive HundredSESedan3.0LV6GAS—
2005FordFive HundredLimitedSedan3.0LV6GAS—
2005FordFreestyleSELWagon3.0LV6GAS—
2005FordFreestyleSEWagon3.0LV6GAS—
2005FordFreestyleLimitedWagon3.0LV6GAS—
2005MercuryMontegoPremierSedan3.0LV6GAS—
2005MercuryMontegoLuxurySedan3.0LV6GAS—