Dayco PB1165N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1165N

The Dayco Premium OEM Replacement Balancer PB1165N is engineered for reliable performance in select Saab and Subaru models. Designed as an engine harmonic balancer, it helps maintain engine stability and reduce vibrations for smoother operation.

• Compatible with Saab 9-2X and Subaru models including Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI
• Includes two integrated serpentine pulleys with 5 and 4 grooves respectively
• Constructed with a cast iron outer ring for durability
• Features timing marks for precise engine timing adjustments
• Neutral counterweight balance with no additional counterweights

Detailed Product Features and Specifications

The PB1165N harmonic balancer features a crank bore diameter of 0.946 inches (24.01 mm) and an overall outside diameter of 5.237 inches (133.00 mm). Its overall width measures 1.922 inches (48.80 mm), with a ring width of 1.362 inches (34.59 mm). The balancer integrates two serpentine pulleys: the first pulley has 5 grooves, and the second has 4 grooves, both with an outside diameter of 5.237 inches (133.00 mm). This part does not include a crank trigger or exciter plate, hardware, or installation instructions. The outer ring is made of cast iron, providing strength and resistance to wear. Timing marks are included to assist with accurate engine timing during installation.

About the Premium OEM Replacement Balancer Product Line

Dayco's Premium OEM Replacement Balancer line is designed to meet original equipment manufacturer specifications, ensuring compatibility and performance consistency. This product line focuses on delivering reliable engine harmonic balancers that maintain engine balance and reduce vibration, which is critical for engine longevity and smooth operation. The PB1165N is part of this line, offering a direct replacement solution for specific Saab and Subaru engines.

Common Applications and Issues Addressed

• Reduces engine vibration and noise caused by imbalanced crankshaft rotation
• Prevents premature wear on engine components linked to harmonic imbalance
• Maintains proper timing alignment with included timing marks
• Supports serpentine belt operation with integrated pulleys
• Replaces worn or damaged harmonic balancers in Saab 9-2X and Subaru models

Installation Notes and Tips

• Ensure the crank bore diameter matches the engine specifications (0.946 inches / 24.01 mm)
• Verify pulley groove count and size compatibility with existing serpentine belts
• Use proper tools to avoid damage to the cast iron outer ring during installation
• Check timing marks alignment carefully to maintain engine timing accuracy
• Note that hardware and installation instructions are not included; refer to vehicle service manual

Quality Assurance and Warranty

The Dayco Premium OEM Replacement Balancer PB1165N is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure durability and performance in demanding engine environments.