Dorman 594-720 Engine Harmonic Balancer

Dorman 594-720 Harmonic Balancer

The Dorman 594-720 harmonic balancer is a direct replacement for select GM applications that use a 6-rib serpentine belt. It uses a stress-resistant rubber bond to absorb engine vibration and ductile steel construction for added tensile and impact strength.

Key Features

• Direct replacement harmonic balancer for OE-style fitment
• Stress-resistant rubber bond helps absorb crankshaft vibration
• Ductile steel construction supports durability under engine load
• 6 pulley grooves for 6-rib serpentine belt systems
• Black finish for a clean, OE-style appearance
• Part number 594-720 for easy identification

Detailed Description

Built for engines that rely on a serpentine drive system, this harmonic balancer helps control torsional vibration at the crankshaft while maintaining proper belt drive operation. The Dorman 594-720 is engineered as a direct replacement and is listed for 2011 Chevrolet Cruze, 2012-2017 Chevrolet Sonic, 2013-2019 Chevrolet Trax, and 2013-2016 Buick Encore with a 6 rib serpentine belt. This part cross-references 55571403 for the same application.

For buyers searching for a Chevrolet Cruze harmonic balancer, Chevrolet Sonic crankshaft balancer, or Buick Encore engine vibration damper, this part number 594-720 provides the fitment and construction details needed for a confident replacement choice.

What This Part Helps Address

• Engine vibration transmitted through the crankshaft
• Worn or deteriorated rubber bond in the balancer
• Noise or imbalance related to the front of the engine
• Serpentine belt drive issues tied to a damaged pulley surface
• Replacement needs for a cracked or fatigued harmonic balancer

Installation Notes and Tips

Verify the vehicle uses a 6-rib serpentine belt before ordering. Confirm inside diameter, outside diameter, depth, and mounting hole dimensions against the original part to ensure proper alignment. Inspect the crankshaft snout, belt routing, and adjacent front-engine components during installation, and replace any worn belt components as needed. The balancer is supplied without a center bolt or washer.

Quality Assurance

Dorman manufactures this harmonic balancer as a direct replacement part with ductile steel construction and a vibration-absorbing rubber bond for dependable service in the listed applications. Part number 594-720 is built to match the needs of select Chevrolet and Buick engines using a 6-rib serpentine belt.