Dayco PB1728N Engine Harmonic Balancer

Dayco PB1728N Harmonic Balancer

The Dayco PB1728N is a premium OEM replacement harmonic balancer for select Honda and Acura applications. It is built with a neutral counterweight balance, cast iron outer ring material, and integrated serpentine pulley design to support proper crankshaft vibration control and accessory drive operation.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Part Number: PB1728N
• Neutral balance with no counterweight
• Cast iron outer ring material
• One integrated pulley with 7 grooves
• Serpentine pulley design
• Timing marks included
• Crank bore: 30.00 mm (1.182 in.)
• Overall outside diameter: 166.70 mm (6.563 in.)
• Overall width: 43.30 mm (1.705 in.)

Product Details

Dayco PB1728N is an engine harmonic balancer for the cylinder block component area, engineered for vehicles that use a serpentine accessory drive and timing-marked crankshaft pulley assembly. The neutral balance design, cast iron outer ring, and precise bore and diameter dimensions support accurate crankshaft damping and belt alignment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Compatible With 2008-2012 Honda Accord, 2009-2014 Acura TSX, 2010-2014 Honda CR-V, 2012-2015 Honda Civic, 2012-2015 Honda Crosstour, and 2013-2015 Acura ILX. Search terms such as Honda Civic harmonic balancer replacement, Acura TSX crank pulley, and Honda CR-V engine balancer PB1728N align with this application.

Common Uses

• Replacing a worn or damaged harmonic balancer
• Restoring crankshaft vibration damping
• Correcting timing mark visibility during service
• Addressing serpentine belt drive alignment concerns
• Replacing a cracked or out-of-round crank pulley assembly

Installation Notes

Review the instruction sheets before installation, especially for application-specific warnings listed for this part. Verify crank bore, pulley groove count, and timing mark alignment before final assembly. Confirm the engine uses a 7-groove serpentine setup and compare all dimensions to the original balancer before installation.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for direct-fit service applications where OE-style dimensions and timing features matter. The PB1728N is specified with timing marks and precise dimensional data to support accurate replacement on the listed Honda and Acura vehicles.