Dayco PB1519N Engine Harmonic Balancer

Dayco PB1519N Harmonic Balancer for Lincoln and Mercury

The Dayco PB1519N is a premium OEM replacement harmonic balancer built for 2003-2004 Lincoln Aviator and 2003-2004 Mercury Marauder applications. It is engineered with a neutral balance design, a cast iron outer ring, and timing marks for accurate engine service and alignment.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Fits 2003-2004 Lincoln Aviator and 2003-2004 Mercury Marauder
• Neutral balance design with no counterweight
• Cast iron outer ring for durable engine operation
• Integrated serpentine pulley with 6 grooves
• Timing marks included for service reference
• 3-bolt hole design with no crank trigger/exciter plate
• Part number PB1519N for accurate ordering and lookup

Detailed Description

Dayco PB1519N is a harmonic balancer for the engine cylinder block assembly that helps maintain crankshaft stability and supports proper accessory drive operation. This premium OEM replacement balancer features a 1.249-inch crank bore, 1.878-inch nose outside diameter, 7.048-inch overall outside diameter, and 2.560-inch overall width. The integrated 6-groove serpentine pulley measures 6.591 inches in outside diameter, and the cast iron outer ring is paired with a neutral balance configuration for the specified applications. The PB1519N is a direct-fit service part for Lincoln Aviator and Mercury Marauder models listed below.

Compatible With 2003-2004 Lincoln Aviator, N/A. Compatible With 2003-2004 Mercury Marauder, N/A. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part May Address

• Crankshaft vibration caused by a worn or separated balancer
• Accessory belt tracking problems related to pulley wear
• Timing reference issues when original marks are no longer readable
• Noise from a deteriorated harmonic balancer assembly
• Engine vibration concerns tied to failed rubber isolation in the balancer

Installation Notes and Tips

Verify crank bore, nose diameter, pulley groove count, and timing mark orientation before installation. The PB1519N does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key, so reuse or source the correct service components as needed. Confirm the engine is set up for a neutral-balance balancer and follow the vehicle service manual for torque and alignment procedures.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built to match the fit and functional requirements of the original engine application, with attention to dimensional accuracy and service-ready details such as timing marks. The PB1519N is specified for the listed Lincoln Aviator and Mercury Marauder applications.