Dayco PB1672N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1672N

The Dayco Premium OEM Replacement Balancer PB1672N is engineered for precise engine harmonic balancing in select Toyota and Scion models. Designed to meet OEM specifications, this balancer supports smooth engine operation and durability for vehicles like the Toyota Echo, xA, and xB.

• Compatible with Toyota Echo, xA, and xB, and Scion models
• Part number PB1672N for accurate identification
• Cast iron outer ring for durability
• Two integrated serpentine pulleys with multiple grooves
• Neutral counterweight balance for standard engine performance
• Includes timing marks for alignment
• Two bolt holes for secure mounting

Product Features and Specifications

This engine harmonic balancer features a cast iron outer ring with an overall outside diameter of 164.2 mm (6.465 inches) and a ring width of 36.3 mm (1.430 inches). It includes two integrated serpentine pulleys: the first pulley has three grooves with a diameter of 140.2 mm (5.520 inches), and the second pulley has four grooves with a diameter of 158 mm (6.221 inches). The crank bore measures 0.514 inches (13.05 mm), and the balancer has a neutral counterweight balance, meaning it does not include additional counterweights. This part does not include a crank trigger or exciter plate, hardware, or installation instructions.

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer line is designed to provide reliable, direct-fit replacements that meet original equipment manufacturer standards. This ensures compatibility and performance consistency for engine harmonic balancers used in various Toyota and Scion vehicles. The PB1672N model maintains the balance and pulley configuration required for proper engine function without added counterweights or exciter plates.

Common Applications and Problem Solving

• Reduces engine vibration caused by worn or damaged harmonic balancers
• Restores proper serpentine belt alignment and tension
• Prevents premature wear on crankshaft and accessory components
• Eliminates timing mark misalignment issues
• Addresses pulley groove wear affecting belt grip and performance

Installation Notes and Tips

Installation of the Dayco PB1672N harmonic balancer requires proper alignment using the included timing marks. Note that this part does not come with hardware or installation instructions, so refer to the vehicle’s service manual for torque specifications and installation procedures. Ensure the crank bore size matches the engine crankshaft for a secure fit. Use appropriate tools to avoid damage to the cast iron outer ring and pulleys during installation.

Quality Assurance and Warranty

Dayco’s Premium OEM Replacement Balancer line is manufactured to meet strict quality standards, ensuring durability and performance consistent with OEM parts. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.