Dayco PB1720N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1720N

The Dayco Premium OEM Replacement Balancer PB1720N is engineered for reliable engine performance in select Ford, Lincoln, Mazda, and Mercury vehicles. Designed to meet OEM specifications, this engine harmonic balancer supports smooth operation and vibration reduction in models like the Ford Escape, Fusion, and Lincoln MKZ.

• Neutral counterweight balance with no additional counterweights
• Crank bore diameter of 1.044 inches (26.50 mm)
• Includes crank trigger/exciter plate for engine timing
• Single integrated serpentine pulley with 6 grooves
• Cast iron outer ring for durability
• Overall outside diameter of 6.103 inches (155.00 mm)
• Overall width of 2.520 inches (64.00 mm)
• No hardware or installation instructions included

Product Line Details: Premium OEM Replacement Balancer

The Dayco Premium OEM Replacement Balancer line is designed to provide direct-fit replacements that adhere closely to original equipment manufacturer standards. This ensures compatibility and performance consistency for engine harmonic balancers, such as the PB1720N, which is tailored for specific cylinder block configurations and crankshaft dimensions found in Ford, Lincoln, Mazda, and Mercury vehicles.

Technical Description and Specifications

The PB1720N harmonic balancer features a neutral counterweight balance, meaning it does not include additional counterweights, which is suitable for engines requiring this specific balance configuration. The crank bore measures 1.044 inches (26.50 mm), ensuring a precise fit on the crankshaft. The balancer incorporates a crank trigger/exciter plate, essential for engine timing and sensor operation. Its single integrated serpentine pulley has six grooves and a diameter of approximately 5.906 inches (150.00 mm), compatible with serpentine belt systems. The outer ring is constructed from cast iron, providing strength and wear resistance. Overall dimensions include a 6.103-inch outside diameter and a width of 2.520 inches, matching OEM specifications for proper installation and function.

Compatible Vehicles and Applications

• Ford Escape
• Ford Fusion
• Lincoln MKZ
• Mazda Tribute
• Mercury Mariner
• Mercury Milan

This harmonic balancer is designed specifically for these models, ensuring proper fit and function within their engine assemblies.

Common Issues Addressed by the PB1720N Balancer

• Engine vibration and noise caused by worn or damaged harmonic balancers
• Crankshaft stress and potential damage due to imbalance
• Malfunctioning crank trigger signals affecting engine timing
• Wear on serpentine belt due to pulley misalignment
• Reduced engine performance from improper harmonic damping

Installation Notes and Tips

Installation of the Dayco PB1720N harmonic balancer requires proper tools and mechanical knowledge. Note that this part does not include hardware or installation instructions, so refer to the vehicle’s service manual for torque specifications and installation procedures. Ensure the crankshaft and bore are clean and free of debris before installation. Proper alignment of the crank trigger/exciter plate is critical for accurate engine timing signals.

Quality Assurance and Warranty

Dayco’s Premium OEM Replacement Balancer line is manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult Dayco or the product documentation for exact warranty terms related to part number PB1720N.