Dayco PB1536N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1536N

The Dayco Premium OEM Replacement Balancer PB1536N is engineered for reliable engine performance in select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Designed as an engine harmonic balancer, this component helps maintain smooth engine operation by reducing vibrations.

• Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models including Trailblazer, Envoy, Ascender, and 9-7x
• Overall outside diameter of 206 mm (8.111 inches) with a steel outer ring for durability
• Features a neutral counterweight balance with no additional counterweights
• Includes one integrated serpentine pulley with 6 grooves and a 179 mm (7.048 inches) outside diameter
• Crank bore diameter of 31.95 mm (1.258 inches) for precise fitment
• Three bolt holes for secure mounting

Detailed Product Description

The Dayco PB1536N engine harmonic balancer is designed to reduce torsional vibration in the crankshaft, helping to protect engine components and improve longevity. Its steel outer ring and neutral counterweight balance ensure consistent performance without added stress on the crankshaft. The balancer includes a single serpentine pulley with six grooves, supporting accessory drive systems commonly found in compatible vehicles. With a crank bore diameter of 31.95 mm and three bolt holes, this balancer fits securely on the crankshaft nose, which measures 47.90 mm (1.886 inches) in diameter.

This part does not include hardware or installation instructions, so professional installation is recommended. The absence of timing marks and crank trigger/exciter plate indicates it is designed for engines that do not require these features.

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer line focuses on delivering components that meet original equipment manufacturer specifications. This ensures compatibility and performance consistent with factory-installed parts. The PB1536N is part of this line, providing a reliable replacement option for harmonic balancers in various GM and related vehicles.

Common Applications and Issues Addressed

• Reduces crankshaft vibration to prevent premature wear
• Helps maintain proper accessory belt tension and alignment
• Prevents engine noise related to harmonic imbalance
• Supports smooth engine operation in Buick Trailblazer and Chevrolet Envoy models
• Replaces worn or damaged harmonic balancers in GMC Envoy XL and Isuzu Ascender vehicles

Installation Notes and Tips

• Professional installation is recommended due to the absence of included hardware and instructions
• Ensure crankshaft nose and bore dimensions match the balancer specifications (31.95 mm bore, 47.90 mm nose diameter)
• Verify the three bolt hole pattern aligns with the engine crankshaft flange
• Inspect accessory belts and pulleys during installation for wear or damage

Quality Assurance and Warranty

Dayco's Premium OEM Replacement Balancer PB1536N is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Dayco products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.