HomeTransmission > Hardware, Fasteners and FittingsATP Parts FS-1 Flywheel Shim
Part #: FS-1

ATP Parts FS-1 Flywheel Shim

⚙️ 135 vehicles fit this part
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🚗Fitment: Ford, Mercury, and Scion, Aerostar, Bobcat, Bronco, Bronco II, Capri, E-100 Econoline, Econoline, Explorer, Explorer Sport Trac, Festiva, Mountaineer, Mustang, Mystique, Pinto, Ranger, and xD
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Overview of ATP Parts FS-1 Flywheel Shim

The ATP Parts FS-1 Flywheel Shim is designed to provide precise spacing and alignment for flywheels in select Ford, Mercury, and Scion vehicles. This shim ensures proper fitment and helps maintain optimal transmission performance in models such as the Ford Mustang, Explorer, and Mercury Mountaineer.

  • Inside diameter: 1.1875 inches for accurate shaft fitment
  • Thickness: 0.040 inches to provide precise spacing
  • Outside diameter: 2.3125 inches (excluding teeth)
  • Part width: 0.040 inches for consistent shim thickness
  • Compatible with multiple Ford, Mercury, and Scion models

Detailed Product Description

The FS-1 Flywheel Shim from ATP Parts is engineered to exact specifications, featuring an inside diameter of 1.1875 inches that fits securely around the flywheel shaft. With a thickness of 0.040 inches and an outside diameter of 2.3125 inches (not including teeth), this shim provides the necessary clearance and alignment to prevent transmission issues caused by improper flywheel spacing. The consistent part width of 0.040 inches ensures uniform thickness across the shim, contributing to reliable performance in vehicles such as the Ford Bronco II, Mercury Mystique, and Scion xD.

Applications and Problem Solving

  • Corrects flywheel spacing to prevent clutch misalignment
  • Reduces transmission noise caused by improper shim thickness
  • Helps eliminate vibration issues related to flywheel fitment
  • Supports smooth gear engagement in Ford Ranger and Econoline models
  • Maintains proper flywheel clearance in Mercury Bobcat and Scion xD vehicles

Installation Notes and Tips

When installing the ATP Parts FS-1 Flywheel Shim, ensure the flywheel and surrounding components are clean and free of debris. Verify the inside diameter matches the flywheel shaft to avoid fitment issues. Use the 0.040-inch thickness shim as specified to maintain proper clearance and alignment. It is recommended to inspect the flywheel teeth and surrounding transmission components during installation to confirm compatibility and prevent damage.

Quality Assurance and Warranty

ATP Parts manufactures the FS-1 Flywheel Shim to meet industry standards for durability and precision. While specific warranty details are not provided, ATP Parts products are generally backed by quality control processes to ensure reliable fitment and performance in compatible Ford, Mercury, and Scion vehicles.

BrandATP Parts
Part NumberFS-1
Inside Diameter1.1875
Thickness0.040
Outside Diameter2.3125
Contents or Additional DetailsNote: outer diameter measurement does not include teeth
LineCodeAtp4
Part Width0.040"

This part fits 135 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2011ScionxD1.8LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2010FordMustang4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; Exc. 8-Bolt Crankshaft
2010FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2010ScionxD1.8LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2009FordMustang4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; Exc. 8-Bolt Crankshaft
2009FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2009ScionxD1.8LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2008FordMustang4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; Exc. 8-Bolt Crankshaft
2008FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2008ScionxD1.8LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2007FordMustang4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; Exc. 8-Bolt Crankshaft
2007FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2006FordMustang4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; Exc. 8-Bolt Crankshaft
2006FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2005FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2005FordExplorer Sport Trac4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2005FordMustang4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; Exc. 8-Bolt Crankshaft
2005FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2005MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2004FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2004FordExplorer Sport Trac4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2004FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2004MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2003FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2003FordExplorer Sport Trac4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2003FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2003MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2002FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2002FordExplorer Sport Trac4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2002FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2002MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2001FordExplorerXLT4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001FordExplorerXLS4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001FordExplorerPostal4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001FordExplorerLimited4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001FordExplorerEddie Bauer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001FordExplorer Sport Trac4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2001MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2000FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2000FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
2000MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
2000MercuryMystique2.0LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1999FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1999FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1999MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1999MercuryMystique2.0LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1998FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1998FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1998MercuryMountaineer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1998MercuryMystique2.0LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1997FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1997FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1997FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1997MercuryMystique2.0LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1996FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1996FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1996FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1996MercuryMystique2.0LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1995FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1995FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1995FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1995MercuryMystique2.0LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1994FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1994FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1994FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1993FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1993FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1993FordFestiva1.3LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1993FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1992FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1992FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1992FordFestiva1.3LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1992FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1992FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1991FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1991FordExplorer4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1991FordFestiva1.3LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1991FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1991FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1990FordAerostar4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1990FordBronco II2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1990FordFestiva1.3LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1990FordRanger4.0LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1990FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1989FordBronco II2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1989FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1988FordBronco II2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1988FordFestiva1.3LL4N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1988FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1987FordBronco II2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1987FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1986FordAerostar2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1986FordBronco II2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1986FordRanger2.9LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1985FordBronco II2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1985FordRanger2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1984FordBronco II2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1984FordRanger2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1983FordRanger2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1979FordMustang3.3LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1979FordMustang2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1979FordPinto2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1979MercuryBobcat2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1979MercuryCapri2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1978FordPinto2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1978MercuryBobcat2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1977FordPinto2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1977MercuryBobcat2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1977MercuryCapri2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1976FordPinto2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1976MercuryBobcat2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1976MercuryCapri2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1975FordPinto2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1975MercuryBobcat2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1974MercuryCapri2.8LV6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1972FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1971FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1971FordE-100 Econoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1970FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1970FordE-100 Econoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1969FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1969FordE-100 Econoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1968FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1967FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1966FordBronco2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1966FordEconoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1965FordEconoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1965FordMustang3.3LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1965FordMustang2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"
1964FordEconoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1964FordMustang2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1963FordEconoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank
1962FordEconoline2.8LL6N/AWidth: 0.040"; Outer Diameter: 2.3125"; Inner Diameter: 1.1875"; 6 Bolt Crank

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

FWS-14FWS14

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.