Dayco PB1440N Engine Harmonic Balancer

Overview of Dayco PB1440N Engine Harmonic Balancer

The Dayco Premium OEM Replacement Balancer PB1440N is engineered for reliable performance in Jeep vehicles, including Cherokee, CJ5, CJ7, J10, J20, and Wagoneer models. Designed to meet OEM specifications, this engine harmonic balancer helps maintain engine stability and reduce vibration.

• Compatible with Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer
• Part number PB1440N for precise identification
• Cast iron outer ring for durability
• Neutral counterweight balance with no counterweight
• Single integrated V-belt pulley with one groove
• Three bolt holes for secure mounting
• Includes timing marks for accurate engine timing
• Crank bore diameter of 1.124 inches (28.54 mm)
• Overall outside diameter of 6.717 inches (170.60 mm)
• Overall width of 1.703 inches (43.25 mm)

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer line is designed to provide a direct replacement for original equipment harmonic balancers. This product line focuses on matching the exact dimensions and balance characteristics of the factory part to ensure proper engine operation and longevity. The PB1440N model maintains neutral counterweight balance and includes a cast iron outer ring, aligning with OEM standards for Jeep engines.

Technical Details and Features

The PB1440N harmonic balancer features a crank bore size of 1.124 inches (28.54 mm) and an overall outside diameter of 6.717 inches (170.60 mm), making it suitable for specific Jeep engine configurations. It includes a single integrated V-belt pulley with one groove, designed to accommodate standard belt drives. The balancer has three bolt holes for secure attachment and features timing marks to assist with precise engine timing adjustments. The outer ring is made of cast iron, providing strength and resistance to wear. This balancer does not include a crank trigger or exciter plate and does not come with installation hardware or instructions.

Applications and Problem Solving

• Reduces engine vibration and harmonic imbalances
• Replaces worn or damaged harmonic balancers in Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer
• Helps maintain proper engine timing with included timing marks
• Prevents crankshaft damage caused by imbalance
• Supports reliable operation of V-belt driven accessories

Installation Notes and Tips

Ensure the crankshaft and mounting surfaces are clean and free of debris before installation. Verify the three bolt holes align correctly with the crankshaft flange. Use proper torque specifications as outlined in the vehicle service manual. Note that this part does not include installation hardware or instructions, so refer to Jeep-specific repair guides for detailed procedures. The absence of a crank trigger or exciter plate means this balancer is intended for engines without these features.

Quality Assurance and Warranty

Dayco's Premium OEM Replacement Balancer line is manufactured to meet or exceed OEM standards for fit, form, and function. The PB1440N undergoes quality control inspections to ensure durability and performance. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributors.