Dayco PB1146N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1146N

The Dayco Premium OEM Replacement Balancer PB1146N is engineered for reliable performance in select Toyota and Lexus vehicles. Designed as an engine harmonic balancer, this component helps maintain engine smoothness and reduces vibration for models like the Toyota 4Runner and Lexus GX470.

• Compatible with Toyota 4Runner, GX470, Land Cruiser, LX470, Sequoia, and Tundra
• Part number PB1146N for precise identification
• Cast iron outer ring for durability
• Neutral counterweight balance with no counterweight
• Includes one integrated serpentine pulley with 6 grooves
• Overall outside diameter of 6.260 inches (159.00 mm)
• Two bolt holes for secure mounting
• Timing marks included for accurate installation

Detailed Product Features and Specifications

The Dayco PB1146N engine harmonic balancer features a cast iron outer ring that provides strength and resistance to wear. It has a neutral counterweight balance, meaning it does not include additional counterweights, which suits specific engine configurations. The balancer includes one integrated serpentine pulley with six grooves, measuring 5.512 inches (140.000 mm) in diameter, designed to drive accessory belts efficiently. The overall width is 2.788 inches (70.80 mm), and the nose outside diameter is 1.851 inches (47.00 mm). This balancer has two bolt holes and a crank bore diameter of 1.380 inches (35.04 mm), ensuring a precise fit on compatible crankshafts. Timing marks are present to assist with proper engine timing during installation.

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer line is designed to meet original equipment manufacturer specifications, providing a direct replacement for worn or damaged harmonic balancers. This product line focuses on delivering reliable fitment and performance for specific vehicle applications, such as the Toyota and Lexus models listed. The PB1146N is part of this line, ensuring compatibility and durability consistent with factory standards.

Common Applications and Problem Solving

• Reduces engine vibration and noise for smoother operation
• Prevents crankshaft damage caused by harmonic imbalances
• Restores proper accessory belt alignment and tension
• Eliminates issues related to worn or damaged balancers
• Supports accurate engine timing with integrated timing marks

Installation Notes and Tips

Installation of the Dayco PB1146N requires careful alignment using the timing marks provided on the balancer. Note that this part does not include hardware or installation instructions, so ensure you have the necessary bolts and tools before beginning. Proper torque specifications should be followed to secure the two bolt holes. It is recommended to inspect the crankshaft and pulley system for wear before installation to ensure optimal performance.

Quality Assurance and Warranty

Dayco's Premium OEM Replacement Balancer products are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Dayco typically offers coverage against manufacturing defects. For warranty information, consult the product documentation or contact the manufacturer directly.