Dayco PB1186N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1186N

The Dayco Premium OEM Replacement Balancer PB1186N is engineered for reliable performance in Dodge and Jeep vehicles. Designed as an engine harmonic balancer, it helps maintain engine stability and reduce vibrations for models like the Ram 1500 and Grand Cherokee.

• Compatible with Dodge and Jeep models including Ram 1500, Ram 2500, Ram 3500, Dakota, Durango, and Grand Cherokee
• Neutral counterweight balance with no counterweight for precise engine harmonics
• Constructed with a grey iron outer ring for durability
• Includes one integrated serpentine pulley with 7 grooves
• Overall outside diameter of 183 mm (7.205 inches) and overall width of 121.3 mm (4.776 inches)
• Crank bore diameter of 38.85 mm (1.530 inches) for exact fitment
• Equipped with timing marks for accurate engine timing adjustments

Detailed Product Description

The Dayco Premium OEM Replacement Balancer PB1186N is a precision-engineered engine harmonic balancer designed to reduce torsional vibrations in the crankshaft of select Dodge and Jeep vehicles. Featuring a neutral counterweight balance, this balancer does not add extra counterweights, ensuring smooth engine operation without altering factory balance specifications. The outer ring is made from grey iron, providing strength and resistance to wear over time. This balancer includes one integrated serpentine pulley with seven grooves, supporting accessory belt routing for components such as the alternator and power steering pump.

With an overall outside diameter of 183 mm and a width of 121.3 mm, the PB1186N fits crankshafts with a bore diameter of 38.85 mm. The balancer also features timing marks to assist with precise engine timing during installation or maintenance. This part is compatible with a range of Dodge and Jeep models, including the Ram 1500, Ram 2500, Ram 3500, Ram 1500 Van, Ram 2500 Van, Ram 3500 Van, B1500, B250, B350, B2500, B3500, Dakota, Durango, and Grand Cherokee.

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer line is designed to meet or exceed original equipment manufacturer specifications. This product line focuses on delivering reliable, direct-fit replacement parts that maintain engine balance and performance. The PB1186N is part of this line, ensuring compatibility and durability for your Dodge or Jeep vehicle’s engine harmonic balancing needs.

Common Applications and Issues Addressed

• Reduces engine vibrations caused by crankshaft torsional forces
• Prevents premature wear of engine components linked to imbalance
• Maintains proper accessory belt alignment and tension
• Supports accurate engine timing with integrated timing marks
• Replaces worn or damaged harmonic balancers in Dodge Ram and Jeep models

Installation Notes and Tips

Installation of the Dayco PB1186N requires proper alignment with the crankshaft bore and timing marks. Ensure the crank bore diameter matches 38.85 mm for correct fitment. This balancer does not include installation hardware or instructions, so refer to the vehicle’s service manual for torque specifications and installation procedures. Use appropriate tools to avoid damage to the balancer or crankshaft during installation.

Quality Assurance and Warranty

Dayco’s Premium OEM Replacement Balancer products are manufactured to meet stringent quality standards. While specific warranty details for part number PB1186N are not provided here, Dayco typically offers limited warranties covering defects in materials and workmanship. For warranty information, consult Dayco’s official documentation or authorized distributors.