Dayco PB1814N Engine Harmonic Balancer

Overview

The Dayco PB1814N engine harmonic balancer is a premium OEM replacement balancer built for applications that require neutral balance and timing mark alignment. It is a direct-fit style component for select Mercedes-Benz and Jeep models, including Mercedes-Benz E350, GL350, S350, R350, ML350, E320, GL320, ML320, R320, and Jeep Grand Cherokee applications.

Use the PB1814N when replacing a worn harmonic balancer on compatible engines that use a 7-groove serpentine pulley and integrated timing marks. The Dayco PB1814N is engineered around OE-style dimensions for accurate crankshaft damping and belt drive operation.

Key Features

• Neutral balance design with no counterweight
• Integrated serpentine pulley with 7 grooves
• Timing marks included for service alignment
• OE-style replacement dimensions for select applications
• Crank bore measures 31.91 mm and overall width is 72.90 mm

Product Details

This engine harmonic balancer is designed to reduce crankshaft vibration while maintaining accessory drive stability. The PB1814N uses a single integrated pulley, a 6.020-inch overall outside diameter, and a 2.871-inch overall width to match the specified applications. It is a practical replacement for Mercedes-Benz and Jeep vehicles that call for this balancer configuration, and the part number PB1814N should be verified against the original unit before installation.

Dayco’s Premium OEM Replacement Balancer line focuses on OE-style fit and function for service replacement work. For buyers searching for a Mercedes-Benz E350 harmonic balancer, Jeep Grand Cherokee harmonic balancer, or a Mercedes-Benz GL350 engine balancer, PB1814N is the matching part number to reference.

Common Replacement Reasons

• Crankshaft vibration or harmonic imbalance
• Worn or deteriorated pulley damping material
• Timing mark visibility issues during service
• Belt drive noise related to balancer wear
• Replacement after inspection shows pulley or ring damage

Installation Notes

Confirm crank bore, pulley groove count, and timing mark layout before installation. This balancer does not include hardware, installation instructions, or a Woodruff key. Professional installation is recommended for proper alignment and torque procedures. Verify fitment by vehicle year, make, model, and engine configuration before ordering.

Quality Assurance

Dayco positions the PB1814N within its Premium OEM Replacement Balancer line for OE-style service replacement. The part number PB1814N is intended for the listed applications and should be matched to the original balancer specifications during service.