Dayco PB1596N Engine Harmonic Balancer

Dayco PB1596N Harmonic Balancer

The Dayco PB1596N is a premium OEM replacement harmonic balancer for a range of Toyota and Lexus V6 applications. It is built with a cast iron outer ring, neutral balance, and timing marks to support accurate crankshaft damping and service alignment.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable engine service
• Integrated serpentine pulley with 7 grooves
• Timing marks included for setup and inspection
• 2-bolt hole design with no crank trigger/exciter plate
• Part number PB1596N for catalog and fitment lookup

Product Details

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine service parts that match factory-style dimensions and function. The PB1596N harmonic balancer measures 140.00 mm overall outside diameter, 49.00 mm overall width, and 35.48 mm ring width, with a 30.91 mm crank bore and 42.00 mm nose outside diameter. It includes one integrated serpentine pulley with 7 grooves and timing marks, making it a practical replacement for vehicles that rely on precise crankshaft vibration control and accessory drive alignment. This part cross-references ATP 102254 and Dorman 594-304 for the same application.

Vehicle Fitment

• Fits 2007-2018 Lexus ES350, N/A
• Fits 2018 Lexus IS300, N/A; 1st Design
• Fits 2016-2018 Lexus RC300, N/A
• Fits 2015-2018 Lexus RC350, N/A
• Fits 2005-2018 Toyota Avalon, N/A
• Fits 2016-2017 Lexus IS300, N/A
• Fits 2006-2017 Lexus IS350, N/A
• Fits 2007-2017 Toyota Camry, N/A
• Fits 2008-2016 Toyota Highlander, N/A
• Fits 2007-2016 Toyota Sienna, N/A
• Fits 2013-2015 Lexus GS350, N/A
• Fits 2007-2011 Lexus GS350, N/A
• Fits 2007-2015 Lexus RX350, N/A
• Fits 2010-2015 Lexus RX450h, N/A
• Fits 2009-2015 Toyota Venza, N/A
• Fits 2006-2012 Toyota RAV4, N/A
• Fits 2007-2011 Lexus GS450h, N/A

Common Replacement Reasons

• Crankshaft vibration or harmonic imbalance
• Worn or damaged pulley grooves affecting belt tracking
• Timing mark visibility issues during service
• Noise from a failing balancer or accessory drive interface
• Replacement after inspection shows ring or hub wear

Installation Notes

Verify crank bore, nose diameter, pulley groove count, and timing mark orientation before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key. Confirm the vehicle’s design match, especially on 2018 Lexus IS300 1st Design applications, and compare the original part before assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built to OE-style dimensions and service requirements for direct replacement use. The PB1596N is specified for confirmed Lexus and Toyota applications, including ES350, Camry, Avalon, Highlander, Sienna, RX350, RX450h, Venza, RAV4, GS350, GS450h, RC300, RC350, and IS350 platforms.