Dorman 594-563 harmonic balancer for the 2006-2009 Chevrolet Impala V8 5.3L and other vehicles absorbs engine vibration through a stress-resistant rubber bond. This Dorman harmonic balancer is a direct replacement made to match the original in fit and function.
- Part of the Dorman OE Solutions line
- Stress-resistant rubber bond to absorb engine vibration
- Built to stringent standards for tensile and impact strength
- Dimensional verification, material validation and functional testing
- Cast iron body with six pulley grooves for a serpentine belt
- Keyway and degree markings
Quick facts
- Part: Dorman 594-563 harmonic balancer
- Also called: engine harmonic balancer
- Fits: the 2006-2009 Chevrolet Impala V8 5.3L and other vehicles
- Material: Cast iron
- Condition: New
A cracked or separated rubber ring, a pulley that looks shifted, or vibration at the front of the engine can mean a balancer is wearing out. Before you replace it, rule out a loose or worn belt, tensioner or accessory pulley that could make similar noise or vibration; a shop can test those with the engine running.
Fits
The 2006-2009 Chevrolet Impala V8 5.3L, the 2008-2009 Buick LaCrosse V8 5.3L and the 2008-2009 Buick Allure V8 5.3L all take this balancer, one per vehicle, and it fits more models. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Outside diameter: 205 mm
- Inside diameter: 37.615 mm
- Depth: 36 mm
- Pulley grooves: 6
Build and materials
- Material: Cast iron
- Drive belt type: Serpentine
- Keyway: Yes
- Degree markings: Yes
- Grade: Standard replacement
- Condition: New
- Country of origin: China
In the box
One harmonic balancer and one instruction sheet. The center bolt, washer and mounting hardware are not included, so plan on a new center bolt.
Interchange: 102370 · 12568921 · 12635650
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
102370, 12568921, 12635650
Frequently Asked Questions
Is this the right Chevy Impala harmonic balancer for a 2006-2009 model with the V8 5.3L?
Yes, Dorman 594-563 fits the 2006-2009 Chevrolet Impala V8 5.3L, one per vehicle; for any other car, open the "Vehicles it fits" section to check your exact model and engine.
Does the Dorman 594-563 come with the center bolt?
No, the center bolt, washer and mounting hardware are not included; the box holds one harmonic balancer and one instruction sheet.
What is the pulley size and groove count on this engine harmonic balancer?
Dorman 594-563 is cast iron with six grooves for a serpentine belt, a 205 mm outside diameter and a 37.615 mm inside diameter.
How can I tell if my harmonic balancer is worn?
With the engine off and cool, look for cracked or separated rubber or a ring that looks shifted. Vibration in normal driving can be another sign, and a shop can confirm it.
Does this harmonic balancer have a keyway and degree markings?
Yes, this balancer has a keyway and degree markings, and an instruction sheet comes in the box.
