Dayco PB1189N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1189N

The Dayco Premium OEM Replacement Balancer PB1189N is engineered for Honda Accord and Prelude models requiring a reliable engine harmonic balancer. Designed to maintain engine balance and reduce vibration, this component supports smooth engine operation and longevity.

• Compatible with Honda Accord and Prelude vehicles
• Neutral counterweight balance with no counterweight
• Overall outside diameter of 177.50 mm (6.989 inches)
• Includes two integrated serpentine pulleys with 4 and 5 grooves respectively
• Constructed with a grey iron outer ring for durability
• Installation instructions included for ease of fitment

Detailed Product Features and Specifications

The PB1189N engine harmonic balancer features a crank bore diameter of 30.00 mm (1.182 inches) designed to fit precisely on the crankshaft of compatible Honda engines. It incorporates two serpentine pulleys: the first pulley has 4 grooves with an outside diameter of 96.00 mm (3.780 inches), and the second pulley has 5 grooves with an outside diameter of 170.00 mm (6.693 inches). The balancer’s overall width measures 60.00 mm (2.363 inches), and the outer ring is made from grey iron, providing strength and resistance to wear. This balancer does not include a crank trigger or exciter plate, bolt holes, or a Woodruff key, and hardware is not included. However, installation instructions are provided to assist with proper mounting.

About the Premium OEM Replacement Balancer Product Line

The Dayco Premium OEM Replacement Balancer line is designed to meet or exceed original equipment manufacturer specifications. This product line focuses on delivering precise fitment and reliable performance for engine harmonic balancers, ensuring compatibility with specific vehicle makes and models. The PB1189N is part of this line, offering a balance of durability and exact fit for Honda Accord and Prelude engines.

Common Applications and Problem Resolution

• Reduces engine vibration caused by crankshaft imbalance
• Prevents premature wear of engine components linked to harmonic distortion
• Restores proper pulley alignment for accessory drive belts
• Eliminates noise and rough idling related to faulty balancers
• Supports engine longevity by maintaining smooth rotational balance

Installation Notes and Tips

• Ensure the crank bore diameter matches the engine crankshaft (30.00 mm)
• Use the included installation instructions for proper torque specifications and alignment
• Verify pulley groove counts (4 and 5 grooves) to match accessory belts
• Check for absence of crank trigger plate and Woodruff key compatibility before installation
• Hardware is not included; reuse existing bolts or source OEM hardware as needed

Quality Assurance and Warranty Information

Dayco’s Premium OEM Replacement Balancer PB1189N is manufactured to meet stringent quality standards, ensuring durability and reliable performance in Honda Accord and Prelude engines. Installation instructions are included to support proper fitment. Warranty details should be confirmed with the point of purchase or manufacturer, as they may vary.