HomeEngine > Cylinder Block ComponentsDorman 594-563 Engine Harmonic Balancer
Part #: 594-563

Dorman 594-563 Engine Harmonic Balancer

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⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, and Pontiac, Allure, LaCrosse, Impala, Grand Prix, and Monte Carlo
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Reliable Engine Harmonic Balancer for Buick, Chevrolet, and Pontiac

The Dorman 594-563 engine harmonic balancer is designed to provide precise vibration dampening for select Buick, Chevrolet, and Pontiac models. Engineered to meet OEM specifications, this harmonic balancer helps maintain engine balance and prolongs the life of your vehicle's crankshaft.

  • Inside diameter: 37.615 mm for accurate fitment
  • Outside diameter: 205 mm ensuring proper pulley alignment
  • Six pulley grooves compatible with serpentine drive belts
  • Regular grade type for standard engine applications
  • Single mounting hole with keyway type for secure installation
  • Depth of 36 mm for correct positioning on the crankshaft
  • Black finish with degree markings for easy timing adjustments
  • Includes harmonic balancer and instruction sheet; no bolts or washers included

Product Details and Specifications

The Dorman 594-563 harmonic balancer is specifically designed for use with serpentine drive belt systems, featuring six pulley grooves to accommodate multiple accessory belts. Its 37.615 mm inside diameter and 205 mm outside diameter ensure a precise fit on the crankshaft of compatible vehicles. The single mounting hole and keyway type provide secure attachment and alignment, while the 36 mm depth maintains proper positioning. The black finish with degree markings assists in accurate engine timing and maintenance. This part is compatible with Buick Allure, Chevrolet Impala, Monte Carlo, and Pontiac Grand Prix and LaCrosse models, making it a suitable replacement for worn or damaged harmonic balancers in these vehicles.

Common Applications and Issues Addressed

  • Reduces engine vibration to prevent crankshaft damage
  • Maintains proper timing for engine performance
  • Prevents premature wear of serpentine belts and pulleys
  • Eliminates noise caused by harmonic imbalance
  • Restores smooth engine operation in Buick, Chevrolet, and Pontiac models

Installation Notes and Tips

Installation of the Dorman 594-563 harmonic balancer requires proper tools to ensure secure mounting on the crankshaft. Verify the inside diameter and keyway alignment before installation. Note that this part does not include bolts, washers, or a center bolt, so reuse existing hardware or acquire appropriate fasteners separately. Follow the included instruction sheet carefully to maintain correct depth and alignment. Degree markings on the balancer assist with timing adjustments during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 594-563 harmonic balancer undergoes rigorous quality control to ensure fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandDorman
Part Number594-563
Bolt And Washer IncludedNo
Center Bolt IncludedNo
Color/FinishBlack
Degree MarkingsYes
Depth36
Drive Belt TypeSerpentine
Grade TypeRegular
Inside Diameter37.615
Keyway TypeYes
Mounting Hole Quantity1
Outside Diameter205
Package ContentsHarmonic Balancer; Instruction Sheet
Pulley Groove Quantity6

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009BuickAllure5.3LV8N/A
2009BuickLaCrosse5.3LV8N/A
2009ChevroletImpala5.3LV8N/A
2008BuickAllure5.3LV8N/A
2008BuickLaCrosse5.3LV8N/A
2008ChevroletImpala5.3LV8N/A
2008PontiacGrand Prix5.3LV8N/A
2007ChevroletImpala5.3LV8N/A
2007ChevroletMonte Carlo5.3LV8N/A
2007PontiacGrand Prix5.3LV8N/A
2006ChevroletImpala5.3LV8N/A
2006ChevroletMonte Carlo5.3LV8N/A
2006PontiacGrand Prix5.3LV8N/A
2005PontiacGrand Prix5.3LV8N/A

* 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:

12568921

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