Dayco PB1239N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1239N

The Dayco Premium OEM Replacement Balancer PB1239N is engineered for reliable performance in Ford and Mazda vehicles, including the Mazda 626, MX-6, and Ford Probe models. Designed as an engine harmonic balancer, this component helps maintain engine stability and reduce vibration.

• Compatible with Ford and Mazda vehicles: Mazda 626, MX-6, and Ford Probe
• Part number PB1239N for precise identification
• Includes two integrated serpentine pulleys with 4 and 5 grooves respectively
• Constructed with a cast iron outer ring for durability
• Neutral counterweight balance with no crank trigger or exciter plate
• Overall outside diameter of 146.20 mm (5.756 inches) and width of 43.00 mm (1.693 inches)
• Timing marks included for accurate engine timing

Detailed Product Description

The Dayco Premium OEM Replacement Balancer PB1239N is a precision-engineered engine harmonic balancer designed to fit specific Ford and Mazda models such as the Mazda 626, MX-6, and Ford Probe. This balancer features a neutral counterweight balance, meaning it does not include additional counterweights, which is suitable for engines requiring a balanced harmonic damper without extra mass. The balancer has two bolt holes and no crank trigger or exciter plate, simplifying installation and compatibility with the specified engines.

Constructed with a cast iron outer ring, the balancer offers durability and resistance to wear. It integrates two serpentine pulleys—one with 4 grooves and the other with 5 grooves—both having an outside diameter of 140 mm (5.512 inches). The overall outside diameter of the balancer is 146.20 mm (5.756 inches), with a width of 43.00 mm (1.693 inches), ensuring proper fitment and function within the engine assembly. Timing marks are included to assist with precise engine timing during installation.

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer product line is designed to meet or exceed original equipment manufacturer specifications. This line focuses on delivering reliable, direct-fit replacement parts that maintain engine balance and reduce vibration. The PB1239N model exemplifies this approach by providing a component that matches the original design and material quality, ensuring compatibility and performance for Ford and Mazda engines.

Common Applications and Problem Solving

• Reduces engine vibration caused by harmonic imbalances
• Replaces worn or damaged harmonic balancers in Mazda 626, MX-6, and Ford Probe
• Helps maintain proper timing with included timing marks
• Prevents premature wear on crankshaft and accessory belts
• Restores pulley function with integrated serpentine pulleys

Installation Notes and Tips

• Ensure engine is cool before installation to avoid injury
• Verify bolt hole alignment and torque specifications per vehicle service manual
• Use appropriate tools to avoid damage to the cast iron outer ring
• Check timing marks carefully to maintain engine timing accuracy
• Note that hardware and installation instructions are not included with this part

Quality Assurance and Warranty

Dayco's Premium OEM Replacement Balancer PB1239N is manufactured to meet strict quality 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. For exact warranty information, consult Dayco or authorized distributors.