ACDelco 12571692 Engine Harmonic Balancer

Part Number
Engine Harmonic BalancerFits: 03-05 Cadillac DeVille, 03-04 Cadillac Seville, 03 Oldsmobile Aurora, 04-05 Pontiac Bonneville, 06-11 Buick Lucerne, 06-11 Cadillac DTS
Special Price $95.19 Regular Price $111.99
In stock
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Estimated Ship Date: 1 Business Day or Less
Crankshaft Balancer Kit with Slinger



  • Crankshaft Balancer Kit
  • Balance Shaft;Camshaft;Camshaft Phaser;Tensioner;Coolant Hose;Coolant Pipe;Crankcase;Crankshaft;Dipstick;Engine;Engine Mount;Engine Strut;Exhaust Manifold; Flywheel Gasket;Head Gasket;Intake Manifold;Oil Drain Plug;Oil Fill Tube;Oil Level Sensor;Oil Pan;Oil Separator;Oil Tank;Thermal Bypass Pipe;Timing;Valve Adjuster;Valve Cover;Valve Lifter;Variable Valve Timing (VVT) Solenoid


Bolt And Washer IncludedNo
Drive Belt TypeSerpentine
FAQ - A1Yes. To change the balancer, a special puller and some mechanical knowledge are needed.
FAQ - Q1Are special tools or knowledge needed to install the balancer?
Features & Benefits - B1Connects to the crankshaft of your vehicle's engine to help reduce vibration
Features & Benefits - B2GM-recommended replacement part for your GM vehicle's original factory component
Features & Benefits - B3Offering the quality, reliability, and durability of GM OE
Features & Benefits - B4Manufactured to GM OE specification for fit, form, and function
Good Maintenance Practices - S1 B1Before purchasing and installing an engine harmonic balancer, make sure it is the correct size and fit for your vehicle.
Good Maintenance Practices - S1 B2Check the harmonic balancer for excessive movement or wobble.
Good Maintenance Practices - S1 B3Check for uneven wear on the drive belt, which can indicate that the balancer pulley is out of alignment.
Good Maintenance Practices - S1 B4Have your vehicle inspected as soon as possible if the 'Service Engine Soon' light illuminates.
Good Maintenance Practices - S1 B5Have your vehicle inspected immediately if the 'Service Engine Soon' light flashes rapidly, as this could indicate an engine misfire condition which may damage your engine and/or engine emission components.
Good Maintenance Practices - S1 B6Regularly inspect engine harmonic balancers for signs of damage or wear, and replace them if signs of damage are found.
Keyway TypeNo
Mkt_State_Warranty_CA36 Months/60,000 Kilometers (Parts Only). Please see for more details
Mkt_State_Warranty_US24 Months/Unlimited Miles Warranty (Parts Only). Please see for more details
Outside Diameter7.34
Product DescriptionACDelco GM Original Equipment Engine Harmonic Balancers help reduce torsional vibrations by connecting to the crankshaft of your vehicle's engine. They serve as pulleys for the engine accessory drive belts, and are GM-recommended replacements for your vehicle's original components. These original equipment harmonic balancers have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ? WARNING: Cancer and Reproductive Harm -
Programming RequiredNO
Pulley Groove Quantity6
Signs of Wear & Troubleshooting - S1 B1Engine vibration
Signs of Wear & Troubleshooting - S1 B2Excessive drive belt noise
Signs of Wear & Troubleshooting - S1 B3Balancer wobble
Signs of Wear & Troubleshooting - S1 B4Abnormal sounds
Signs of Wear & Troubleshooting - S1 B5Reduced engine power
Signs of Wear & Troubleshooting - S1 B6Unusual odors while the engine is operating
Signs of Wear & Troubleshooting - S1 HSigns of wear for engine harmonic balancers include but are not limited to:



  • 2006-2011 Buick Lucerne
  • 2003-2003 Oldsmobile Aurora
  • 2003-2005 Cadillac DeVille
  • 2006-2011 Cadillac DTS
  • 2004-2005 Pontiac Bonneville
  • 2003-2004 Cadillac Seville
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