Dayco PB1486N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1486N

The Dayco Premium OEM Replacement Balancer PB1486N is engineered for reliable performance in a range of GM and Isuzu vehicles. Designed as an engine harmonic balancer, it helps maintain engine stability and reduce vibration for smoother operation in models like the Chevrolet Camaro, Buick Century, and GMC S10.

• Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac vehicles
• Engine harmonic balancer with 4 bolt holes
• Neutral counterweight balance with no counterweight
• Crank bore diameter of 1.245 inches (31.60 mm)
• Includes crank trigger/exciter plate
• Cast iron outer ring for durability
• Overall outside diameter of 6.406 inches (162.70 mm)
• Overall width of 2.288 inches (58.10 mm)
• Timing marks included for precise engine timing

Detailed Product Description

The Dayco PB1486N engine harmonic balancer is designed to fit a variety of vehicles including the Chevrolet Camaro, Buick Century, Pontiac Firebird, GMC S10 Blazer, and Isuzu Rodeo. This balancer features a neutral counterweight balance, meaning it does not have additional counterweights, which is suitable for specific engine configurations requiring balanced rotational mass without added weight. The crank bore measures 1.245 inches (31.60 mm), ensuring a precise fit on the crankshaft. The inclusion of a crank trigger/exciter plate supports ignition timing systems that rely on this feature.

Constructed with a cast iron outer ring, the balancer offers durability and resistance to wear. The overall outside diameter is 6.406 inches (162.70 mm) with a width of 2.288 inches (58.10 mm), dimensions that align with OEM specifications for the compatible vehicles. Timing marks are integrated into the design to assist with accurate engine timing during installation and maintenance.

About the Premium OEM Replacement Balancer Line

The Dayco Premium OEM Replacement Balancer product line focuses on delivering parts that meet original equipment manufacturer specifications. This ensures that the PB1486N balancer provides a direct replacement solution without compromising engine performance or fitment. The line emphasizes quality materials and precise manufacturing to maintain engine balance and reduce vibration in compatible vehicles.

Common Applications and Issues Addressed

• Reduces engine vibration caused by harmonic imbalances
• Prevents premature wear on crankshaft and accessories
• Supports accurate ignition timing with integrated timing marks
• Replaces worn or damaged harmonic balancers in Buick Century and Chevrolet Camaro
• Restores engine smoothness in GMC S10 and Isuzu Rodeo models

Installation Notes and Tips

• Hardware and installation instructions are not included; refer to vehicle service manual
• Ensure crank bore and bolt hole alignment matches engine specifications
• Use proper torque settings for the 4 bolt holes to secure the balancer
• Verify timing marks alignment during installation for accurate engine timing
• Inspect crankshaft and keyway for wear before installation

Quality Assurance

Dayco's Premium OEM Replacement Balancer PB1486N is manufactured to meet OEM standards, ensuring reliable fit and function. The cast iron outer ring and precise machining contribute to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and testing protocols to maintain performance consistency.