Dayco PB1801N Engine Harmonic Balancer

Premium OEM Replacement Balancer for Saturn and Pontiac

The Dayco PB1801N is a premium OEM replacement engine harmonic balancer built for select Saturn Sky and Pontiac Solstice applications. It is a neutral-balance unit with timing marks, cast iron outer ring construction, and dual integrated serpentine pulleys for factory-style accessory drive alignment.

Key Features

• Brand Line: Premium OEM Replacement Balancer
• Part Number: PB1801N
• Neutral balance design with no counterweight
• Cast iron outer ring material
• Timing marks included for service alignment
• Two integrated serpentine pulleys
• Crank bore: 1.103 in. / 28.00 mm
• Nose outside diameter: 1.536 in. / 39.00 mm
• Overall outside diameter: 6.575 in. / 167.00 mm
• Overall width: 3.544 in. / 90.00 mm

Detailed Description

Dayco PB1801N is engineered as a direct-fit harmonic balancer for 2007-2010 Saturn Sky and 2006-2009 Pontiac Solstice applications. The neutral counterweight balance, cast iron outer ring, and integrated pulley layout support factory-style crankshaft vibration control and accessory drive operation. Timing marks are included to assist with engine service and alignment procedures. This part number, PB1801N, is a practical OE replacement choice for drivers and technicians servicing Saturn Sky or Pontiac Solstice engines that require the specified balancer configuration.

What It Helps Address

• Crankshaft vibration at idle or under load
• Worn or damaged harmonic balancer outer ring
• Timing mark visibility during service work
• Accessory drive alignment concerns at the crank pulley
• Noise or imbalance related to a failing balancer assembly

Installation Notes and Tips

Verify crank bore, nose diameter, pulley groove count, and overall dimensions before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key. Confirm the engine uses a neutral-balance balancer with timing marks and the correct dual-serpentine pulley configuration before assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is positioned for factory-style fit and specification matching in service applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.