Dorman OE Solutions Engine Harmonic Balancer Assembly for 2001-2009 Chevrolet GMC Workhorse 594-566

Engine harmonic balancer assembly for 2001-2009 Chevrolet GMC and Workhorse vehicles used to replace worn or failing factory crankshaft dampers.

Built to meet the manufacturer's design intent for reliable service with a stress-resistant rubber bond engineered to absorb engine vibration and ensure excellent tensile and impact strength.

Key Features

• Direct replacement for original equipment harmonic balancers
• Stress-resistant rubber bond absorbs engine vibration effectively
• Constructed for high tensile and impact strength
• Validated through rigorous testing for durability
• Matches OE form fit and function for seamless installation

Benefits

• Restores smooth engine operation by reducing harmful vibrations
• Prevents potential damage to crankshaft and accessory drive components
• Reduces risk of repeat repairs with durable construction
• Ensures confident restoration with trustworthy quality
• Saves time and money compared to dealer-only parts

Application

Ideal for owners of Chevrolet GMC or Workhorse Custom Chassis trucks experiencing engine vibration noise or visible balancer damage who need a dependable long-lasting fix.

Fitment Notes

• Compatible with 2001-2009 Chevrolet models
• Compatible with 2001-2009 GMC models
• Compatible with 2001-2009 Workhorse and 2007-2010 Workhorse Custom Chassis
• Replaces General Motors part number 12555140

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
• Backed by a team of product experts in the United States and over a century of automotive experience
• Built with quality materials to stand up to daily driving demands

What's in the Box

• 1 Harmonic Balancer Assembly

Item Dimensions

• 8.3in x 8.3in x 6.5in
• Weight: 13.4lbs