Dayco PB1434N Engine Harmonic Balancer

Dayco PB1434N Harmonic Balancer

The Dayco PB1434N is a premium OEM replacement harmonic balancer for select GM full-size cars and performance sedans. It is built with a hub-weighted counterbalance, a cast iron outer ring, and one integrated serpentine pulley to support smooth crankshaft operation in the applications listed below.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Part Number: PB1434N
• Hub weighted counterweight balance
• Cast iron outer ring construction
• One integrated pulley with 6 grooves
• Crank trigger/exciter plate included
• 3 bolt holes
• Crank bore: 1.373 in. (34.86 mm)
• Nose outside diameter: 1.934 in. (49.12 mm)
• Overall outside diameter: 7.067 in. (179.50 mm)
• Overall width: 3.642 in. (92.50 mm)
• Ring width: 2.186 in. (55.50 mm)
• Installation instructions included

Product Details

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine vibration control components for service replacement. This PB1434N harmonic balancer is specified with a serpentine pulley, no timing marks, and no woodruff key, making it a straightforward replacement for the listed Buick and Pontiac applications. The PB1434N is a direct reference for owners searching for a Dayco PB1434N harmonic balancer, a Buick Lucerne harmonic balancer replacement, or a Pontiac Grand Prix crankshaft balancer.

This part cross-references ATP 102284 and Dorman 594-312 for the same application.

Compatible Vehicles

• Fits 2005-2009 Buick Allure, N/A
• Fits 2005-2009 Buick LaCrosse, N/A
• Fits 2006-2008 Buick Lucerne, N/A
• Fits 2004-2008 Pontiac Grand Prix, N/A
• Fits 2000-2005 Buick LeSabre, N/A
• Fits 2000-2005 Buick Park Avenue, N/A
• Fits 2000-2005 Pontiac Bonneville, N/A

Common Replacement Reasons

• Crankshaft vibration or excessive engine shake
• Worn or separated balancer ring
• Serpentine belt drive noise or pulley wear
• Damaged crank trigger/exciter plate
• Service replacement for a failed OEM harmonic balancer

Installation Notes

Verify crank bore, nose diameter, pulley groove count, and overall dimensions before installation. This balancer uses 3 bolt holes and includes installation instructions, but no hardware is listed. Confirm the vehicle’s engine configuration and accessory drive layout against the original part before assembly. For best results, inspect the crankshaft snout, belt alignment, and adjacent drive components during replacement.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for direct replacement service in the listed Buick and Pontiac applications. The PB1434N is engineered to match the specified dimensions and pulley configuration for consistent fitment in supported vehicles.