Dayco PB1573N Engine Harmonic Balancer

Overview of Dayco PB1573N Engine Harmonic Balancer

The Dayco Premium OEM Replacement Balancer PB1573N is engineered for Mazda 626 and MX-6 models, providing reliable engine harmonic balancing. Designed to meet OEM specifications, this balancer supports engine performance and longevity.

• Compatible with Mazda 626 and Mazda MX-6 vehicles
• Includes two integrated serpentine pulleys with 4 and 5 grooves respectively
• Constructed with a grey iron outer ring for durability
• Features crank trigger/exciter plate for engine timing
• Neutral counterweight balance design
• Overall outside diameter of 146 mm (5.749 inches)
• Overall width of 47 mm (1.851 inches)
• Two bolt holes for secure mounting
• Includes timing marks for precise installation

Detailed Product Description

The Dayco PB1573N engine harmonic balancer is a critical component designed to reduce torsional vibration in the crankshaft of Mazda 626 and MX-6 engines. This balancer features a neutral counterweight balance, meaning it does not add additional counterweights, maintaining the engine's original balance characteristics. The outer ring is made from grey iron, providing strength and resistance to wear. It includes two integrated serpentine pulleys, one with 4 grooves and the other with 5 grooves, both measuring 140 mm (5.512 inches) in diameter, which accommodate accessory belts for efficient power transmission.

Additionally, the balancer is equipped with a crank trigger/exciter plate, essential for engine timing and ignition systems. The part has two bolt holes for secure attachment to the crankshaft and includes timing marks to assist with accurate installation. The crank bore diameter is 30.00 mm (1.182 inches), ensuring a precise fit on compatible engines.

About the Premium OEM Replacement Balancer Line

Dayco's Premium OEM Replacement Balancer line is designed to meet or exceed original equipment manufacturer standards. This product line focuses on delivering components that maintain factory specifications for fit, form, and function. The PB1573N is part of this line, ensuring compatibility and performance for Mazda 626 and MX-6 engines without compromising engine balance or accessory drive operation.

Common Applications and Problem Solving

• Reduces crankshaft vibration to prevent premature engine wear
• Restores proper accessory belt alignment and tension
• Supports accurate engine timing with integrated exciter plate
• Replaces worn or damaged harmonic balancers causing noise or vibration
• Prevents accessory belt slippage and associated performance issues

Installation Notes and Tips

• Ensure crank bore diameter matches 30.00 mm (1.182 inches) for proper fit
• Use appropriate tools to align timing marks during installation
• Verify bolt hole alignment with crankshaft before securing
• Note that hardware and installation instructions are not included
• Inspect accessory belts and pulleys for wear during replacement

Quality Assurance and Warranty

The Dayco PB1573N harmonic balancer is manufactured to meet OEM quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, Dayco products typically undergo rigorous testing to comply with industry requirements for engine components.