Dayco PB1664N Engine Harmonic Balancer

Dayco PB1664N Harmonic Balancer

The Dayco PB1664N is a premium OEM replacement harmonic balancer for select Nissan and Suzuki applications. It is built with a neutral counterweight balance, a cast iron outer ring, and timing marks for accurate engine service and crankshaft damping.

Premium OEM Replacement Balancer

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine vibration control for factory-style service. This PB1664N unit uses a single integrated serpentine pulley with 7 grooves, a 6.536-inch overall outside diameter, and an 80.40 mm overall width to match the original engine accessory drive layout.

• Neutral balance with no counterweight
• Cast iron outer ring construction
• Single integrated serpentine pulley with 7 grooves
• Timing marks included for service alignment
• Crank bore: 1.260 in. (32 mm)
• Nose outside diameter: 1.890 in. (48 mm)
• Overall outside diameter: 6.536 in. (166 mm)
• Overall width: 3.166 in. (80.40 mm)
• Ring width: 2.083 in. (52.90 mm)

Vehicle Fitment

• Fits 2012-2021 Nissan NV1500, N/A
• Fits 2012-2021 Nissan NV2500, N/A
• Fits 2012-2021 Nissan NV3500, N/A
• Fits 2005-2019 Nissan Frontier, N/A
• Fits 2005-2015 Nissan Xterra, N/A
• Fits 2005-2012 Nissan Pathfinder, N/A
• Fits 2009-2012 Suzuki Equator, N/A

What It Helps Address

• Crankshaft vibration and torsional oscillation
• Accessory drive pulley wobble or belt tracking issues
• Timing mark visibility during engine service
• Wear from a damaged or deteriorated harmonic balancer
• Noise from a failing front engine damper

Installation Notes

Verify crank bore, nose diameter, pulley groove count, and overall dimensions before installation. This part does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key. Proper alignment of the timing marks and accessory belt routing is important during service.

Quality Assurance

Dayco PB1664N is an OE-style replacement balancer built for direct service on select Nissan Frontier, Nissan Xterra, Nissan Pathfinder, Nissan NV1500, NV2500, NV3500, and Suzuki Equator applications. This part cross-references Dorman 594-432 for the same application.