Dayco PB1756N Engine Harmonic Balancer

Dayco PB1756N Harmonic Balancer

The Dayco PB1756N is a premium OEM replacement harmonic balancer for select Hyundai and Kia applications. It is built with a neutral balance design, a cast iron outer ring, and integrated serpentine pulley construction for direct-fit engine service.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for engine damping support
• Integrated 6-groove serpentine pulley
• Timing marks included for service alignment
• Crank bore: 52.00 mm (2.048 in.)
• Overall outside diameter: 156.00 mm (6.142 in.)
• Overall width: 45.50 mm (1.792 in.)

Product Details

Dayco Premium OEM Replacement Balancer PB1756N is an engine harmonic balancer for the cylinder block components category. It uses a neutral counterweight balance, a single integrated pulley, and a cast iron outer ring to help maintain crankshaft damping characteristics. The unit includes timing marks and a 6-groove serpentine pulley, making it a practical replacement for service work on Hyundai Santa Fe and Kia Magentis, Optima, and Rondo applications.

This part cross-references Dorman 594-508 for the same application. The Dayco PB1756N is a direct replacement option for vehicles that require the specified crank bore, pulley configuration, and timing-mark layout.

What It Helps Address

• Crankshaft vibration from a worn harmonic balancer
• Serpentine belt tracking issues related to pulley wear
• Timing reference problems when original marks are damaged
• Noise or imbalance caused by a deteriorated outer ring
• Service replacement needs on high-mileage engine assemblies

Installation Notes

Fits 2007-2010 Kia Magentis, N/A. Fits 2006-2010 Kia Optima, N/A. Fits 2007-2010 Kia Rondo, N/A. Fits 2007-2009 Hyundai Santa Fe, N/A.

Verify crank bore, overall diameter, width, and pulley groove count before installation. Hardware is not included. Installation instructions are not included. Confirm timing mark alignment and pulley belt routing against the original part before final assembly.

Quality Assurance

Dayco Premium OEM Replacement Balancer parts are built for OE-style service replacement and dimensional consistency. The PB1756N is specified with timing marks, neutral balance, and the listed pulley and bore dimensions for accurate fitment on the confirmed applications.