Dayco PB1653N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer PB1653N

The Dayco PB1653N is a premium OEM replacement harmonic balancer built for Toyota, Lexus, and Scion applications that use a 6-groove serpentine drive. It features a neutral balance design, cast iron outer ring, and timing marks for accurate service work on the engine front end.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable engine operation
• Single integrated pulley with 6 serpentine grooves
• Timing marks included for service alignment
• Crank bore: 1.025 in. (26.01 mm)
• Overall outside diameter: 5.906 in. (150 mm)
• Overall width: 1.654 in. (42 mm)
• Cross-reference: Dorman 594-404

Product Details

Dayco PB1653N is an engine harmonic balancer for the cylinder block assembly, built to match OE-style fitment and function on a wide range of Toyota Corolla, Prius, Prius Prime, Prius V, C-HR, Matrix, Scion xD, Scion iM, Lexus CT200h, and related hybrid applications. The Premium OEM Replacement Balancer line focuses on direct replacement geometry, including the correct crank bore, nose diameter, ring width, and integrated serpentine pulley layout for service on the front of the engine. The PB1653N part number is a direct reference for buyers searching for a Toyota Corolla harmonic balancer or Prius harmonic balancer replacement.

Common Repair Uses

• Restores proper crankshaft vibration damping
• Addresses worn or damaged pulley grooves
• Replaces a balancer with timing mark wear or visibility issues
• Corrects front-end drive issues related to the serpentine pulley surface
• Supports service on Toyota Prius, Corolla, and Lexus CT200h engine assemblies

Installation Notes

Verify crank bore, nose diameter, pulley groove count, and timing mark location before installation. This balancer does not include hardware, installation instructions, or a Woodruff key, so reuse or source the correct service components as required by the vehicle application. Confirm the engine build date on 2015-2016 Prius, 2015 CT200h, and 2015 Prius Plug-In applications marked Mfg. To 09/14 before ordering.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for direct-fit engine service with OE-style dimensions and materials. PB1653N is specified with a neutral balance configuration, cast iron outer ring, and integrated timing marks to support accurate replacement on the listed Toyota, Lexus, and Scion applications.