Dayco PB1487N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer PB1487N

The Dayco PB1487N is a premium OEM replacement harmonic balancer for a wide range of GM trucks, SUVs, and vans. It is built with a neutral balance design, cast iron outer ring, and timing marks for accurate service work on compatible engines.

Premium OEM Replacement Balancer Line

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine harmonic balancers that match factory-style dimensions and service requirements. The PB1487N follows that approach with a 3-bolt pattern, no integrated pulleys, and no crank trigger/exciter plate.

Key Features

• Part number: PB1487N
• Neutral balance design with no counterweight
• Cast iron outer ring for engine damping support
• Timing marks included for service alignment
• 3 bolt holes
• Crank bore: 1.246 in. (31.63 mm)
• Nose outside diameter: 1.763 in. (44.78 mm)
• Overall outside diameter: 7.993 in. (203.00 mm)
• Overall width: 2.245 in. (57.00 mm)
• Ring width: 1.319 in. (33.48 mm)
• No hardware included
• No installation instructions included

Detailed Description

Use the Dayco PB1487N harmonic balancer when servicing the crankshaft damping system on compatible Chevrolet Express 1500, Chevrolet Tahoe, GMC Yukon, and related GM applications. This engine harmonic balancer is built for vehicles that require a neutral-balance, 3-bolt configuration with timing marks and no integrated pulley. This part cross-references Dorman 594-121 and ATP 102053 for the same application.

Vehicle Fitment

• Fits 1996-2002 Chevrolet Express 1500, N/A
• Fits 1996-2002 Chevrolet Express 2500, N/A
• Fits 1996-2002 Chevrolet Express 3500, N/A
• Fits 1996-2002 GMC Savana 1500, N/A
• Fits 1996-2002 GMC Savana 2500, N/A
• Fits 1996-2002 GMC Savana 3500, N/A
• Fits 1999-2000 Cadillac Escalade, N/A
• Fits 1996-2000 Chevrolet C2500, N/A
• Fits 1996-2000 Chevrolet C3500, N/A
• Fits 1996-2000 Chevrolet K2500, N/A
• Fits 1996-2000 Chevrolet K3500, N/A
• Fits 1996-2000 Chevrolet Tahoe, N/A
• Fits 1996-2000 GMC C2500, N/A
• Fits 1996-2000 GMC C3500, N/A
• Fits 1996-2000 GMC K2500, N/A
• Fits 1996-2000 GMC K3500, N/A
• Fits 1996-2000 GMC Yukon, N/A
• Fits 1996-1999 Chevrolet C1500, N/A
• Fits 1996-1999 Chevrolet C1500 Suburban, N/A
• Fits 1996-1999 Chevrolet C2500 Suburban, N/A
• Fits 1996-1999 Chevrolet K1500, N/A
• Fits 1996-1999 Chevrolet K1500 Suburban, N/A
• Fits 1996-1999 Chevrolet K2500 Suburban, N/A
• Fits 1997-1999 Chevrolet P30, N/A
• Fits 1996-1999 GMC C1500, N/A
• Fits 1996-1999 GMC C1500 Suburban, N/A
• Fits 1996-1999 GMC C2500 Suburban, N/A
• Fits 1996-1999 GMC K1500, N/A
• Fits 1996-1999 GMC K1500 Suburban, N/A
• Fits 1996-1999 GMC K2500 Suburban, N/A
• Fits 1996-1999 GMC P3500, N/A

Common Repair Uses

• Replacing a worn or damaged harmonic balancer
• Restoring crankshaft vibration damping
• Correcting timing mark visibility during service
• Addressing pulley-free balancer replacement needs
• Servicing GM trucks, vans, and SUVs with a 3-bolt balancer setup

Installation Notes and Tips

Verify crank bore, nose diameter, bolt-hole count, and overall dimensions before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key, so reuse or source the required engine-specific components as needed. Confirm timing mark orientation during installation on Chevrolet Express, GMC Savana, and Chevrolet Tahoe applications.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built to match factory-style service requirements for direct replacement use. The PB1487N uses a cast iron outer ring and neutral balance construction to support consistent engine operation in the listed GM applications.