Dorman 594-566 Harmonic Balancer

In stock
SKU: 591|594566
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $176.15
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|594566
  • Barcode 885484621220

Product Description

This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

  • Ideal replacement - this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction - stringent specifications and careful construction help ensure longevity
  • Thoroughly tested - this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience

Detailed Applications

Year Make Model Configuration Positions Application Notes
2010 Workhorse Custom Chassis W18 V8 496 8.1L; GAS
2010 Workhorse Custom Chassis W62 V8 496 8.1L; GAS Under 19,501 Lb. GVW
2009 Chevrolet C4500 Kodiak V8 496 8.1L
2009 Chevrolet C5500 Kodiak V8 496 8.1L
2009 GMC C4500 Topkick V8 496 8.1L
2009 GMC C5500 Topkick V8 496 8.1L
2009 Workhorse W16 V8 496 8.1L; GAS
2009 Workhorse W18 V8 496 8.1L; GAS
2009 Workhorse Custom Chassis W62 V8 496 8.1L; GAS Under 19,501 Lb. GVW
2008 Chevrolet C4500 Kodiak V8 496 8.1L
2008 Chevrolet C5500 Kodiak V8 496 8.1L
2008 GMC C4500 Topkick V8 496 8.1L
2008 GMC C5500 Topkick V8 496 8.1L
2008 Workhorse W16 V8 496 8.1L; GAS
2008 Workhorse W18 V8 496 8.1L; GAS
2008 Workhorse Custom Chassis W62 V8 496 8.1L; GAS Under 19,501 Lb. GVW
2007 Chevrolet C4500 Kodiak V8 496 8.1L
2007 Chevrolet C5500 Kodiak V8 496 8.1L
2007 GMC C4500 Topkick V8 496 8.1L
2007 GMC C5500 Topkick V8 496 8.1L
2007 Workhorse W16 V8 496 8.1L; GAS
2007 Workhorse W18 V8 496 8.1L; GAS
2007 Workhorse Custom Chassis W62 V8 496 8.1L; GAS Under 19,501 Lb. GVW
2006 Chevrolet C4500 Kodiak V8 496 8.1L
2006 Chevrolet C5500 Kodiak V8 496 8.1L
2006 GMC C4500 Topkick V8 496 8.1L
2006 GMC C5500 Topkick V8 496 8.1L
2006 Workhorse W16 V8 496 8.1L; GAS
2006 Workhorse W18 V8 496 8.1L; GAS
2005 Chevrolet C4500 Kodiak V8 496 8.1L
2005 Chevrolet C5500 Kodiak V8 496 8.1L
2005 GMC C4500 Topkick V8 496 8.1L
2005 GMC C5500 Topkick V8 496 8.1L
2005 Workhorse P32 V8 496 8.1L; GAS
2004 Chevrolet C4500 Kodiak V8 496 8.1L
2004 Chevrolet C5500 Kodiak V8 496 8.1L
2004 GMC C4500 Topkick V8 496 8.1L
2004 GMC C5500 Topkick V8 496 8.1L
2004 Workhorse P32 V8 496 8.1L; GAS
2003 Chevrolet C4500 Kodiak V8 496 8.1L
2003 Chevrolet C5500 Kodiak V8 496 8.1L
2003 GMC C4500 Topkick V8 496 8.1L
2003 GMC C5500 Topkick V8 496 8.1L
2003 Workhorse P32 V8 496 8.1L; GAS
2003 Workhorse P42 V8 496 8.1L; GAS
2002 Chevrolet C3500HD V8 496 8.1L
2002 Chevrolet Express 3500 V8 496 8.1L
2002 GMC C3500HD V8 496 8.1L
2002 GMC Savana 3500 V8 496 8.1L
2002 Workhorse P32 V8 496 8.1L; GAS
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Product Specifications

Bolt And Washer Included: No
Center Bolt Included: No
Color: Black
Degree Markings: No
Depth: 147.5 mm
Drive Belt Type: Serpentine
Grade Type: Standard Replacement
Inside Diameter: 40.6 mm
Keyway Type: No
Mounting Hardware Included: No
Mounting Hole Diameter: 59.20 mm
Mounting Hole Quantity: 1
Outside Diameter: 198 mm
Package Contents: 1 Harmonic Balancer
Package Quantity: 1
Packaging Type: Box
Pulley Groove Quantity: 6
Selling Package Quantity UOM: Piece

OE Numbers

DIRECT OE CROSS
12555140 GENERAL MOTORS