Dayco PB1200N Engine Harmonic Balancer

Overview of Dayco Premium OEM Replacement Balancer PB1200N

The Dayco Premium OEM Replacement Balancer PB1200N is engineered for reliable performance in a range of GM vehicles including Buick, Cadillac, Chevrolet, and GMC models. Designed as an engine harmonic balancer, it helps maintain engine stability and reduce vibration for smoother operation.

• Compatible with multiple GM makes and models such as Chevrolet Blazer, Cadillac Brougham, and GMC C1500 Suburban
• Constructed with a grey iron outer ring for durability
• Neutral counterweight balance with no additional counterweights
• Three bolt hole configuration for secure mounting
• Includes timing marks for precise engine timing adjustments
• Crank bore diameter of 1.245 inches (31.60 mm) and overall outside diameter of 6.75 inches (171.45 mm)
• Overall width of 2.343 inches (59.50 mm) and ring width of 1.615 inches (41.00 mm)
• No integrated pulleys or crank trigger/exciter plate included

Detailed Product Description

The Dayco Premium OEM Replacement Balancer PB1200N is designed to meet OEM specifications for engine harmonic balancing in a variety of GM vehicles. Its grey iron outer ring provides strength and wear resistance, while the neutral counterweight balance ensures it does not add any additional imbalance to the crankshaft. The balancer features a 3-bolt hole pattern and precise crank bore dimensions of 1.245 inches (31.60 mm), ensuring a proper fit on compatible engines. Timing marks are included on the balancer to assist with accurate ignition timing during installation or maintenance.

This balancer does not include integrated pulleys or a crank trigger/exciter plate, making it suitable for engines that do not require these features. The overall outside diameter measures 6.75 inches (171.45 mm), with a width of 2.343 inches (59.50 mm), providing the correct dimensions for a secure and stable fit.

Compatible Vehicles and Applications

• Buick models including Century, LeSabre, and Skylark
• Cadillac models such as Brougham and Fleetwood
• Chevrolet trucks and SUVs including C10, C1500, and Blazer
• GMC trucks and Suburban variants like C20 and K1500
• Other GM vehicles including Oldsmobile Cutlass, Pontiac Firebird, and Chevrolet Camaro

Common Issues Addressed by This Balancer

• Engine vibration and harmonic imbalance
• Crankshaft stress and premature wear
• Inaccurate engine timing due to worn or damaged balancer
• Noise and rough engine operation at various RPMs
• Replacement of worn or damaged OEM harmonic balancer

Installation Notes and Tips

Ensure the crank bore and bolt hole pattern match your engine specifications before installation. This balancer does not include installation hardware or a Woodruff key, so use existing or OEM replacement parts as needed. Verify timing marks alignment during installation to maintain proper ignition timing. Professional installation is recommended to ensure correct fitment and function.

Quality Assurance and Warranty

Dayco's Premium OEM Replacement Balancer line is manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure reliability in demanding engine applications.