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Synergy Manufacturing Heavy Duty Front Ball Joint Set (1 Upper, 1 Lower) by Synergy

Part no: SSM-4120-01

$100.00 + free Shipping
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This product fits only specific vehicles. Select your vehicle to ensure it fits.

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Product Details



  • 1997-2006 Jeep Wrangler TJ
  • 2004-2006 Jeep Wrangler Unlimited TJL
  • 1990-1995 Jeep Wrangler YJ
  • 1990-2001 Jeep Cherokee XJ
  • 1993-1998 Jeep Grand Cherokee ZJ


This Ball Joint Set is designed to replace the factory ball joints that are prone to premature failure on lifted vehicles with large off road tires. It out-performs the factory ball joint assembly.

Product Details:

  • Fully greasable sintered metal on metal bushing design that has high wear resistance.
  • Ball joint boot is made from tear/wear resistant silicone polyurethane.
  • Includes all necessary hardware for installation.
  • 12 Month Unlimited-Warranty

Parts Included:

  • Heavy Duty Front Ball Joint Set (1 Upper, 1 Lower)

Years Covered:

1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006

For California residents: Proposition 65 Warning

Vehicle Fitment

1993-1998JeepGrand Cherokee ZJ
1997-2006JeepWrangler TJ
2004-2006JeepWrangler TJ Unlimited
1990-2001JeepCherokee XJ
1990-1995JeepWrangler YJ

Additional Information

SKU Aliases4120-04, 4120, 4120-01, SYN4120-01
Sold AsPair
Axle TypeDana 30, Dana 44

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