Dayco PB1730N Engine Harmonic Balancer

Premium OEM Replacement Balancer for Suzuki and Chevrolet

The Dayco PB1730N is a premium OEM replacement harmonic balancer for select Suzuki and Chevrolet applications. It is built with a steel outer ring, neutral balance, and dual integrated serpentine pulleys to support proper crankshaft damping and accessory drive operation.

Key Features

• Dayco Premium OEM Replacement Balancer line
• Part number PB1730N
• Neutral balance design with no counterweight
• Steel outer ring construction
• Two integrated serpentine pulleys
• Timing marks included
• 2-bolt hole design
• Crank bore: 31.00 mm (1.221 in.)
• Overall outside diameter: 152.00 mm (5.985 in.)
• Overall width: 55.50 mm (2.186 in.)

Detailed Description

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine service parts that match original equipment-style dimensions and function. The PB1730N harmonic balancer features a 45.00 mm nose outside diameter, a 46.50 mm ring width, and dual 4-groove serpentine pulleys sized at 149.00 mm and 138.00 mm outside diameter. It also includes timing marks for accurate engine setup. This part number PB1730N is listed for 1999-2008 Suzuki Grand Vitara, 2002-2006 Suzuki XL-7, 2001-2004 Chevrolet Tracker, and 2004 Suzuki Vitara.

Vehicle Fitment

• Fits 1999-2008 Suzuki Grand Vitara, N/A
• Fits 2002-2006 Suzuki XL-7, N/A
• Fits 2001-2004 Chevrolet Tracker, N/A
• Fits 2004 Suzuki Vitara, N/A

What This Part Helps Address

• Crankshaft vibration control concerns related to a worn harmonic balancer
• Accessory belt drive issues tied to damaged or misaligned pulley surfaces
• Timing mark visibility problems during engine service
• Noise or wobble from a deteriorated balancer assembly
• Fitment problems when replacing an original dual-pulley balancer

Installation Notes and Tips

Verify crank bore, nose diameter, pulley groove count, and overall width before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key. Use the timing marks during setup and confirm pulley alignment with the existing belt routing before final assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built to provide OE-style replacement dimensions and construction for service applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.