Dayco PB1174N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1174N

The Dayco Premium OEM Replacement Balancer PB1174N is engineered for precise engine harmonic balancing in select Lexus and Toyota models. Designed to maintain engine smoothness and reduce vibration, this balancer supports optimal performance in vehicles like the Lexus GS300, IS300, SC300, and Toyota Supra.

• Compatible with Lexus GS300, IS300, SC300 and Toyota Supra
• Part number PB1174N for accurate identification
• Neutral counterweight balance with no additional counterweights
• Cast iron outer ring for durability and strength
• Includes one integrated serpentine pulley with 6 grooves
• Overall outside diameter of 8.465 inches (215 mm)
• Crank bore diameter of 1.378 inches (34.98 mm)
• Timing marks included for precise installation
• Two bolt holes for secure mounting
• Overall width of 2.087 inches (53 mm)

Detailed Product Description

The Dayco Premium OEM Replacement Balancer PB1174N is a critical component in the engine harmonic balancing system, designed specifically for certain Lexus and Toyota engines. Featuring a neutral counterweight balance, this balancer does not add extra counterweights, ensuring it matches the original equipment manufacturer (OEM) specifications. The cast iron outer ring provides robust construction to withstand engine stresses and maintain long-term reliability.

This balancer includes one integrated serpentine pulley with six grooves, measuring 5.709 inches (145 mm) in diameter, which supports accessory belt routing. The crank bore diameter of 1.378 inches (34.98 mm) ensures a precise fit on the crankshaft, while the two bolt holes secure the balancer firmly in place. Timing marks are incorporated to assist with accurate engine timing during installation.

Compatible Vehicles and Common Applications

• Replacement for harmonic balancer in Lexus GS300 engines
• Suitable for Lexus IS300 and SC300 models requiring OEM harmonic balancer
• Compatible with Toyota Supra engines needing a neutral balance harmonic balancer
• Addresses issues related to engine vibration and pulley misalignment
• Helps resolve crankshaft pulley wear and timing mark visibility problems

Installation Notes and Tips

Installation of the Dayco PB1174N harmonic balancer requires careful alignment using the included timing marks. Ensure the crank bore and bolt holes match the engine specifications before mounting. This part does not include installation hardware or instructions, so refer to the vehicle’s service manual for torque specifications and installation procedures. Proper installation is essential to maintain engine balance and prevent premature wear.

Quality Assurance and Warranty

Dayco’s Premium OEM Replacement Balancer line is designed to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support reliability and performance in demanding engine environments.