Dayco PB1586N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer for Nissan

The Dayco PB1586N engine harmonic balancer is a premium OEM replacement balancer built for select Nissan applications. It is engineered with a neutral balance design, steel outer ring, and integrated serpentine pulley sections to support smooth crankshaft operation and accessory drive performance.

Compatible with 1999-2004 Nissan Frontier and 2000-2004 Nissan Xterra, this Dayco harmonic balancer is a direct-fit option for owners searching for a Nissan Frontier harmonic balancer or Nissan Xterra crankshaft balancer replacement. The PB1586N also includes timing marks for service alignment.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Steel outer ring for durability
• Three integrated pulley sections with serpentine drive grooves
• Timing marks included for engine service reference
• Crank bore: 1.261 in. / 32.01 mm
• Overall outside diameter: 6.378 in. / 162 mm
• Overall width: 3.071 in. / 78 mm

Detailed Description

The Dayco PB1586N harmonic balancer is designed as a premium OEM replacement balancer for Nissan Frontier and Nissan Xterra models within the listed fitment range. It uses a neutral counterweight balance and a steel outer ring to help maintain crankshaft damping characteristics while supporting the accessory drive system. With integrated serpentine pulley sections and timing marks, this part is suited for service work where accurate alignment and dependable fit are important. The PB1586N part number is a useful reference when sourcing a replacement harmonic balancer for 1999-2004 Nissan Frontier or 2000-2004 Nissan Xterra applications.

This part cross-references Dorman 594-348 for the same application.

What It Helps Address

• Crankshaft vibration from a worn or damaged balancer
• Accessory belt tracking issues related to pulley wear
• Timing mark visibility problems during engine service
• Noise or imbalance caused by a deteriorated harmonic balancer
• Fitment issues when replacing the original Nissan Frontier or Nissan Xterra balancer

Installation Notes and Tips

Verify crank bore, nose diameter, bolt hole quantity, and pulley configuration before installation. The PB1586N does not include hardware, installation instructions, or a woodruff key, so reuse or source the required components separately as needed. Confirm timing mark orientation and inspect the crankshaft snout, belt alignment, and surrounding drive components before final assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for applications that require OE-style fit and serviceable construction. The PB1586N is specified with timing marks, a steel outer ring, and neutral balance geometry to match the listed Nissan applications.