PowerBond by Dayco PB1688N harmonic balancer for the 2006-2011 Cadillac DTS and other vehicles damps crankshaft vibration and carries the belt drive on an integrated pulley. Sometimes listed as an engine harmonic balancer, it mounts on the front of the crankshaft.
- Cast iron outer ring
- One integrated serpentine pulley, 178.00 mm outside diameter
- Neutral balance with no counterweight
- Crank bore of 34.85 mm (1.373 in)
Quick facts
- Part: PowerBond by Dayco PB1688N harmonic balancer
- Also called: engine harmonic balancer
- Fits: 2006-2011 Cadillac DTS and other vehicles
- Material: Cast iron (outer ring)
- Condition: New
Cracks in the balancer, play in the pulley, belt noise or engine vibration can mean it is worn, though a tired belt or a weak tensioner can be behind some of them too, so find the cause before you replace it.
Fits
The 2006-2011 Cadillac DTS, the 2006-2010 Buick Lucerne V8 4.6L and the 2000-2005 Cadillac DeVille all take this harmonic balancer, and it fits more than those. A 2000-2005 Cadillac DeVille takes one. If your car is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Overall outside diameter: 185.50 mm (7.304 in)
- Crank bore: 34.85 mm (1.373 in)
- Overall width: 42.60 mm (1.678 in)
- Nose outside diameter: 52.40 mm (2.063 in)
- Ring width: 28.55 mm (1.125 in)
- Pulley outside diameter: 178.00 mm (7.008 in)
Build and materials
- Outer ring material: cast iron
- Integrated pulleys: 1, serpentine type
- Counterweight balance: neutral, no counterweight
- Timing marks: none
- Crank trigger/exciter plate: none
- Condition: New
In the box
One harmonic balancer. Hardware, a Woodruff key and installation instructions are not included; plan on new fasteners, since the old ones may not be reusable.
Interchange: 594-422 · 594-443
12571692 · 60051591
This part cross-references / interchanges with the following part numbers:
12571692, NA, 594-422, 594-443, 60051591
Frequently Asked Questions
Does the PowerBond by Dayco PB1688N fit a 2006-2010 Buick Lucerne V8 4.6L?
Yes, the PowerBond by Dayco PB1688N harmonic balancer fits the 2006-2010 Buick Lucerne V8 4.6L; for another car, look up its year and engine in the "Vehicles it fits" section.
Does the PowerBond PB1688N harmonic balancer come with hardware?
No, the PowerBond by Dayco PB1688N comes without hardware, a Woodruff key or installation instructions; plan on new fasteners, since the old ones may not be reusable.
What is the crank bore on this harmonic balancer?
The crank bore is 34.85 mm (1.373 in). The overall outside diameter is 185.50 mm (7.304 in), and the overall width is 42.60 mm (1.678 in).
How can I tell if this harmonic balancer is worn or cracked?
With the engine off and cool, look for cracks in the balancer and for play in the pulley. Vibration or belt noise while driving can also be signs of wear.
Does the PB1688N harmonic balancer have timing marks or a counterweight?
No, this harmonic balancer has no timing marks and is neutral balance, with no counterweight; its one integrated serpentine pulley is 178.00 mm in outside diameter.
