Dorman 594-444 Harmonic Balancer Assembly 04-12 Hummer H3 H3T Chevy Colorado
Confirm Fitment Before You Buy
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
$109.01
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
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
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007-2012 | Chevrolet | Colorado | 3.7L L5 | |
| 2004-2006 | Chevrolet | Colorado | 3.5L L5 | |
| 2007-2012 | GMC | Canyon | 3.7L L5 | |
| 2004-2006 | GMC | Canyon | 3.5L L5 | |
| 2007-2010 | Hummer | H3 | 3.7L L5 | |
| 2006 | Hummer | H3 | 3.5L L5 | |
| 2009-2010 | Hummer | H3T | 3.7L L5 | |
| 2006 | Isuzu | i-350 | 3.5L L5 | |
| 2007-2008 | Isuzu | i-370 | 3.7L L5 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 594-444 |
| UPC | 037495163606 |
| Inside Diameter | 31.94 mm |
| Outside Diameter | 201.2 mm |
| Pulley Groove Quantity | 6 |
| Mounting Hole Quantity | 1 |
| Depth | 45.5 mm |
| Grade Type | Standard Replacement |
| Center Bolt Included | No |
| Color | Black |
| Degree Markings | No |
| Material | Cast Iron |
| Mounting Hardware Included | No |
| Package Contents | 1 Harmonic Balancer |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 8125780700 | Isuzu (OE) |
|---|---|
| 12578070 | General Motors (OE) |
| 12578071 | General Motors (OE) |
| 102376 | Interchange |
| 594444 | Interchange |
| PB1665N | Interchange |