Dayco PB1672N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer PB1672N

The Dayco PB1672N is a premium OEM replacement harmonic balancer built for precise crankshaft damping and accessory drive alignment. It is engineered for select Toyota Echo and Scion xA, xB applications, with timing marks for accurate service setup.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable operation
• Two integrated serpentine pulleys
• Timing marks included for service reference
• Crank bore: 13.05 mm (0.514 in.)
• Overall outside diameter: 164.2 mm (6.465 in.)
• Overall width: 36.3 mm (1.430 in.)
• Part number: PB1672N

Detailed Description

Dayco PB1672N is a harmonic balancer for 2000-2005 Toyota Echo, 2004-2006 Scion xA, and 2004-2006 Scion xB applications. The neutral balance configuration, cast iron outer ring, and dual integrated serpentine pulleys support stable crankshaft damping and consistent belt drive operation. Timing marks are included to assist with engine service and alignment checks. The Dayco Premium OEM Replacement Balancer line focuses on direct-fit replacement parts built around OE-style dimensions and function, making PB1672N a practical choice for maintenance on these small-displacement Toyota and Scion engines.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Uses

• Restoring crankshaft vibration control on a worn harmonic balancer
• Correcting belt tracking issues caused by pulley wear or imbalance
• Replacing a damaged or cracked balancer ring
• Addressing timing mark visibility problems during engine service
• Supporting accessory drive noise caused by balancer deterioration

Installation Notes

Verify crank bore, pulley groove count, and overall dimensions before installation. This balancer does not include hardware, installation instructions, or a woodruff key. Use the timing marks during setup and confirm pulley alignment after installation. Fits 2000-2005 Toyota Echo, N/A; Fits 2004-2006 Scion xA, N/A; Fits 2004-2006 Scion xB, N/A.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built to match OE-style fit and function for service replacement applications. Part number PB1672N is specified for the listed Toyota and Scion vehicles.