Dorman 594-266 Engine Harmonic Balancer

Reliable Engine Harmonic Balancer for Buick, Chevrolet, Pontiac, and Saturn

The Dorman 594-266 engine harmonic balancer is designed to provide precise vibration dampening for select Buick, Chevrolet, Pontiac, and Saturn models. Engineered to meet regular grade specifications, this balancer supports smooth engine operation and helps extend the life of your vehicle's engine components.

Key Features of the Dorman 594-266 Harmonic Balancer

• Inside diameter: 31.8 mm for accurate fitment
• Outside diameter: 167 mm ensuring proper balance
• Six pulley grooves compatible with serpentine drive belts
• Single mounting hole with included bolt and washer for secure installation
• Depth of 40.3 mm for correct positioning on the crankshaft
• Black finish for corrosion resistance and durability
• Includes balancer, woodruff key, and instruction sheet for installation guidance

Detailed Description and Compatibility

The Dorman 594-266 harmonic balancer is specifically designed for use with a range of vehicles including Buick Lucerne, Chevrolet Malibu, Impala, Equinox, Monte Carlo, Montana, Pontiac G6, Torrent, Relay, Rendezvous, and Saturn Aura, Vue, Uplander, and Terraza. Its six-groove pulley design supports serpentine belts, which are common in these models. The balancer’s 31.8 mm inside diameter and 167 mm outside diameter ensure a precise fit on the crankshaft, while the included bolt and washer simplify installation. The black finish provides resistance against wear and environmental factors, maintaining performance over time.

Common Applications and Issues Addressed

• Reduces engine vibration to prevent crankshaft damage
• Maintains proper alignment of serpentine drive belts
• Prevents premature wear of engine components caused by imbalance
• Eliminates noise and rough idling related to harmonic imbalance
• Supports engine longevity by stabilizing rotational forces

Installation Notes and Tips

Installation of the Dorman 594-266 harmonic balancer requires removal of the old balancer and careful alignment of the woodruff key to ensure proper fitment. Use the included bolt and washer to secure the balancer firmly to the crankshaft. It is recommended to verify belt tension and pulley alignment after installation to avoid premature belt wear. Refer to the provided instruction sheet for detailed steps and torque specifications.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 594-266 harmonic balancer undergoes rigorous quality control to provide consistent fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.