Dorman 594-451 Engine Harmonic Balancer

Overview of Dorman Engine Harmonic Balancer 594-451

The Dorman 594-451 engine harmonic balancer is designed to provide reliable vibration dampening for select Buick, Chevrolet, Saab, and Saturn models. Engineered with precise dimensions and features, this component helps maintain engine balance and prolongs the life of your vehicle's crankshaft.

• Inside diameter: 28.01 mm
• Outside diameter: 166.2 mm
• Six pulley grooves for serpentine drive belts
• Single mounting hole design
• Regular grade type construction
• Depth of 60.2 mm
• Black finish with degree markings for accurate installation
• Does not include bolt, washer, or center bolt

Detailed Product Description

The Dorman 594-451 harmonic balancer is a critical engine component that reduces torsional vibration from the crankshaft, helping to prevent premature wear and damage. Its 28.01 mm inside diameter and 166.2 mm outside diameter ensure a precise fit for compatible engines. Featuring six pulley grooves, this balancer supports serpentine drive belts commonly found in vehicles like the Buick LaCrosse, Chevrolet Cobalt, and Saab 9-5. The single mounting hole and regular grade type construction provide a secure and durable installation. The black finish with degree markings assists technicians in aligning the balancer correctly during installation.

Compatible Vehicles and Applications

This harmonic balancer is compatible with various models including Buick LaCrosse and Regal, Chevrolet Cobalt, HHR, Ion, and Captiva Sport, as well as Saab 9-5 and Saturn Allure and Verano. It is designed specifically for engines requiring a 6-groove serpentine belt pulley system and a 28.01 mm inside diameter balancer.

Common Issues Addressed by This Harmonic Balancer

• Excessive crankshaft vibration causing engine noise
• Premature wear of engine components due to imbalance
• Drive belt misalignment or slippage
• Engine performance issues related to harmonic imbalance
• Crankshaft seal leaks caused by worn balancers

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Use the degree markings on the balancer for precise alignment
• Verify the serpentine belt type and groove count match your vehicle’s specifications
• Torque mounting bolts to manufacturer specifications (note: bolts and washers are not included)
• Inspect related components such as the crankshaft seal and drive belts during installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 594-451 harmonic balancer undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.