2007-2010 GMC Sierra 2500HD 4wd & 2wd (Duramax Diesel ONLY) - REAR Sway Bar (1 1/4" diameter)

GMC Sierra 2500HD Sway Bar 4wd & 2wd 2007-2010 by Hellwig #7664
Hellwig - 7664k-gmc
Authorized Dealer
Hellwig #7664
Hellwig - 7664k-gmc
Authorized Dealer
Sale Price:
  • $302.18
$355.50 Save: $53.32 (15%)
Save $30.22 more with Code: 10EXTRA - details
Average Delivery Time: 4 to 10 Business Days


Having trouble with your vehicle leaning, or swaying side to side? Whether you own a truck, suv or RV, Hellwig Suspension offer a great solution. Hellwig Sway Bars are an easy, affordable way to upgrade your truck, car or suv's handling performance. Body roll & sway is reduced by the torsional effect of the sway bars, stabilizing the vehicle. They transfer the pressure on the outboard wheels and apply opposite pressure on the inboard wheels. Weight is more evenly distributed to all four wheels helping your vehicle stay more level with the road. Installation is simple, most sway bar kits can be installed with simple hand tools. Hellwig is a market leader producing quality suspension products since 1946.

Features and Benefits

  • Hellwig # 7664 is custom fit for the GMC Sierra 2500HD
  • Reduces body roll for better vehicle control
  • Greatly improves cornering traction for safer driving and turning capabilities
  • Distributes weight more evenly to all four wheels 
  • Lifetime warranty
  • Fast, Easy "Bolt-On" installation
  • High quality hot formed and heat treated 4140 chrome moly spring steel
  • Includes required mounting hardware (some sway bar kits use some of the existing factory hardware)

Installation Notes

  1. The images shown are "sample images" of the products.  Actual sway bars & hardware will vary from vehicle to vehicle.

Tech Specs

Download Instructions N/A
Bar Diameter: 1 1/4"
Average Install Time: 1 to 2 hours
Location: (front or rear axle) REAR AXLE
Weight: 42 lbs.
Part 7664 fits:
  • 2010 GMC Sierra 2500HD & 2500HD 4wd & 2wd (Duramax Diesel ONLY)
  • 2009 GMC Sierra 2500HD & 2500HD 4wd & 2wd (Duramax Diesel ONLY)
  • 2008 GMC Sierra 2500HD & 2500HD 4wd & 2wd (Duramax Diesel ONLY)
  • 2007 GMC Sierra 2500HD & 2500HD 4wd & 2wd (Duramax Diesel ONLY)

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