Dayco PB1515N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1515N

The Dayco Premium OEM Replacement Balancer PB1515N is engineered for reliable engine performance in select Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn vehicles. Designed as an engine harmonic balancer, it helps reduce crankshaft vibration and maintain engine balance for smooth operation.

• Compatible with multiple models including Buick LaCrosse, Chevrolet Malibu, Pontiac G6, Saab 9-3, and Saturn Vue
• Overall outside diameter of 163 mm (6.418 inches) with a cast iron outer ring
• Features a neutral counterweight balance with no additional counterweights
• Includes one integrated serpentine pulley with 5 grooves and a 160 mm (6.3 inches) outside diameter
• Three bolt holes for secure mounting and a crank bore diameter of 28.01 mm (1.103 inches)
• Equipped with timing marks for precise engine timing adjustments

Detailed Product Description

The Dayco PB1515N engine harmonic balancer is part of the Premium OEM Replacement Balancer line, designed to meet or exceed original equipment specifications. This balancer features a cast iron outer ring that provides durability and resistance to wear. Its neutral counterweight balance ensures it does not add extra weight, maintaining the engine’s original balance characteristics. The balancer includes a single serpentine pulley with five grooves, suitable for driving multiple engine accessories efficiently.

With an overall width of 56.75 mm (2.235 inches) and a nose outside diameter of 38.9 mm (1.532 inches), this balancer fits precisely on the crankshaft, supported by three bolt holes for secure installation. The inclusion of timing marks aids in accurate engine timing setup, critical for optimal engine performance.

Compatible Vehicles and Applications

• Buick models such as LaCrosse and Regal
• Chevrolet models including Malibu, Cobalt, and Equinox
• GMC Terrain
• Oldsmobile Alero and Aurora
• Pontiac G6, Grand Am, and Sunfire
• Saab 9-3 and 9-3X
• Saturn Vue and Aura

Common Issues Addressed by This Balancer

• Reduction of crankshaft vibration and engine noise
• Prevention of premature wear on engine components
• Maintaining proper engine timing with integrated timing marks
• Ensuring smooth operation of serpentine belt-driven accessories
• Replacement of worn or damaged harmonic balancers to restore engine balance

Installation Notes and Tips

Installation of the Dayco PB1515N requires proper alignment of the three bolt holes and careful positioning on the crankshaft bore measuring 28.01 mm. Use appropriate tools to avoid damage to the cast iron outer ring and pulley grooves. Note that this part does not include installation hardware or instructions, so refer to the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Dayco’s Premium OEM Replacement Balancer line is manufactured to meet OEM standards, ensuring compatibility and durability. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain performance and reliability in demanding engine environments.