Dorman 594-001 Engine Harmonic Balancer

Reliable Engine Harmonic Balancer for Buick, Oldsmobile, Pontiac

The Dorman 594-001 engine harmonic balancer is designed to provide precise vibration dampening for select Buick, Oldsmobile, and Pontiac models. Engineered to meet regular grade specifications, this balancer supports serpentine drive belt systems and ensures smooth engine operation.

• Inside diameter: 34.94 mm
• Outside diameter: 182 mm
• Depth: 92.5 mm
• Six pulley grooves for serpentine belt compatibility
• Single mounting hole with included bolt and washer
• Black finish with degree markings for accurate installation
• Package includes balancer, bolt, woodruff key, and instruction sheet

Technical Details and Compatibility

The Dorman 594-001 harmonic balancer is specifically designed for use with Buick 98, Oldsmobile Delta 88, LeSabre, Reatta, and Pontiac Bonneville, Riviera, and Toronado models. Its 182 mm outside diameter and 34.94 mm inside diameter accommodate the engine block components precisely, while the six pulley grooves support serpentine drive belt systems commonly found in these vehicles. The included bolt and washer simplify installation, although the center bolt is not included. The black finish and degree markings assist in proper alignment during mounting.

Purpose and Problem Resolution

• Reduces engine vibration to prevent crankshaft damage
• Maintains proper tension on serpentine drive belts
• Prevents premature wear of engine components
• Ensures smooth operation of accessory pulleys
• Helps avoid engine noise related to harmonic imbalance

Installation Notes and Tips

Installation requires removal of the old harmonic balancer and careful alignment using the degree markings on the Dorman 594-001. The included bolt and washer should be torqued to manufacturer specifications. Note that the center bolt is not included and must be sourced separately if needed. Use the provided woodruff key to secure the balancer to the crankshaft properly. Follow the instruction sheet carefully to ensure correct fitment on Buick, Oldsmobile, and Pontiac models listed.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for durability and performance. The 594-001 harmonic balancer undergoes quality checks to ensure reliable operation in compatible vehicles. Warranty coverage details can be obtained from the product documentation or Dorman directly, providing confidence in the part’s longevity and function.