Dayco PB1649DP Engine Harmonic Balancer

Dayco Diesel Performance Race Balancer PB1649DP

The Dayco Diesel Performance Race Balancer PB1649DP is an engine harmonic balancer built for select Chevrolet and GMC diesel applications. It features a hub-weighted counterweight balance, a steel outer ring, and timing marks for accurate engine service and setup.

Key Features

• Brand: Dayco Diesel Performance Race Balancer
• Part number: PB1649DP
• Engine harmonic balancer for diesel performance applications
• Hub weighted counterweight balance
• Steel outer ring construction
• Integrated 6-groove serpentine pulley
• Timing marks included
• Crank bore: 1.930 in. / 49.01 mm
• Overall outside diameter: 7.796 in. / 198.00 mm
• Overall width: 2.707 in. / 68.75 mm

Product Details

Dayco’s Diesel Performance Race Balancer line is focused on diesel engine applications that require precise harmonic control and dependable pulley alignment. This PB1649DP balancer uses a hub-weighted design with a steel outer ring and a single integrated serpentine pulley to support proper accessory drive operation. It also includes timing marks for service reference. This part number, PB1649DP, is listed for select Chevrolet Express, Silverado, and GMC Savana and Sierra diesel models from 2006 through 2010.

Compatible With 2006-2010 Chevrolet Express 2500, 2006-2010 Chevrolet Express 3500, 2006-2010 Chevrolet Silverado 2500 HD, 2007-2010 Chevrolet Silverado 3500 HD, 2006-2010 GMC Savana 2500, 2006-2010 GMC Savana 3500, 2006-2010 GMC Sierra 2500 HD, 2007-2010 GMC Sierra 3500 HD, plus 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 Classic, 2007 GMC Sierra 2500 HD Classic, 2007 GMC Sierra 3500 Classic, 2006 Chevrolet Silverado 3500, and 2006 GMC Sierra 3500.

Common Uses

• Replacing a worn or damaged engine harmonic balancer
• Restoring crankshaft vibration control in diesel engines
• Addressing pulley wobble or accessory drive alignment concerns
• Supporting accurate timing reference during engine service
• Correcting noise or vibration related to balancer wear

Installation Notes

Verify crank bore, overall diameter, pulley groove count, and timing mark location before installation. This balancer does not include hardware, installation instructions, or a woodruff key. Confirm engine application by year, make, model, and diesel configuration before ordering. Part number PB1649DP should be matched to the vehicle’s original balancer specifications for proper fitment.

Quality Assurance

Dayco manufactures this Diesel Performance Race Balancer as part of its performance-focused engine component lineup. The steel outer ring, hub-weighted balance, and integrated timing marks reflect the specifications listed for this application.