Dayco PB1682N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1682N

The Dayco Premium OEM Replacement Balancer PB1682N is engineered for reliable performance in select Nissan and Infiniti vehicles. Designed to maintain engine balance and reduce vibration, this harmonic balancer is a critical component for smooth engine operation in models like the Nissan Altima and Infiniti QX60.

• Neutral counterweight balance with no additional counterweight
• Crank bore diameter of 1.260 inches (31.99 mm)
• Single integrated serpentine pulley with 7 grooves
• Cast iron outer ring for durability
• Overall outside diameter of 5.945 inches (151.00 mm)
• Includes timing marks for precise alignment
• No crank trigger/exciter plate included
• Hardware and installation instructions not included

Detailed Product Description

This engine harmonic balancer from Dayco’s Premium OEM Replacement Balancer line is designed to meet original equipment specifications for Nissan and Infiniti vehicles. The PB1682N features a neutral counterweight balance, which means it does not include any additional counterweights, ensuring compatibility with engines requiring this specification. The crank bore measures 1.260 inches (31.99 mm), fitting precisely on the crankshaft for secure installation.

The balancer incorporates a single serpentine pulley with 7 grooves, measuring 5.749 inches (146.00 mm) in diameter, allowing it to drive multiple engine accessories efficiently. The outer ring is made of cast iron, providing strength and resistance to wear. The overall width of the balancer is 2.296 inches (58.30 mm), and it includes timing marks to assist with accurate engine timing during installation.

Compatible Vehicles and Applications

This Dayco harmonic balancer PB1682N is compatible with a range of Nissan and Infiniti models, including:

• Nissan Altima
• Nissan JX35
• Nissan Maxima
• Nissan Murano
• Nissan Pathfinder
• Nissan Quest
• Infiniti QX60

Common Issues Addressed by This Harmonic Balancer

• Engine vibration and imbalance
• Crankshaft stress and potential damage
• Accessory belt misalignment or slippage
• Timing inaccuracies due to worn balancer
• Noise caused by harmonic distortion

Installation Notes and Tips

Installation of the PB1682N harmonic balancer requires proper alignment using the included timing marks. Note that this part does not come with hardware or installation instructions, so it is recommended to consult the vehicle’s service manual or a professional mechanic. Ensure the crank bore and pulley grooves match the engine specifications before installation to avoid fitment issues.

Quality Assurance and Warranty

Dayco’s Premium OEM Replacement Balancer line is designed to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number PB1682N are not provided here, Dayco products typically come with manufacturer-backed quality assurance. For warranty information, refer to Dayco’s official documentation or contact the manufacturer directly.