Dorman 918-185 Camshaft Phaser - Variable Timing Camshaft Gear 07-12 Hummer H3
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
$140.61
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.
The variable valve timing sprocket is key to ensuring an engine's performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.
- Direct replacement - this VVT sprocket fits and performs like the original sprocket
- Durable construction - made from durable steel and precision machined for reliable performance
- 100% new - this variable valve timing sprocket is entirely new, not a remanufactured part
- Quality assured - vehicle-specific application has been validation tested to ensure quality
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008-2012 | Chevrolet | Colorado | 2.9L L4 | |
| 2008-2012 | Chevrolet | Colorado | 3.7L L5 | |
| 2008-2009 | Chevrolet | Trailblazer | 4.2L L6 | |
| 2008-2012 | GMC | Canyon | 3.7L L5 | |
| 2008-2012 | GMC | Canyon | 2.9L L4 | |
| 2008-2009 | GMC | Envoy | 4.2L L6 | |
| 2008-2010 | Hummer | H3 | 3.7L L5 | |
| 2009-2010 | Hummer | H3T | 3.7L L5 | |
| 2008 | Isuzu | Ascender | 4.2L L6 | |
| 2007-2008 | Isuzu | i-290 | 2.9L L4 | |
| 2007-2008 | Isuzu | i-370 | 3.7L L5 | |
| 2008-2009 | Saab | 9-7x | 4.2L L6 |
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 | 918-185 |
| UPC | 885484591844 |
| Material | Metal |
| Color | Silver |
| Grade Type | Standard Replacement |
| Attachment Type | Bolt |
| Bolt Included | Yes |
| Bolt Material | Metal |
| Diameter | 149.56 mm |
| Overall Height (in) | 2.7 in |
| Overall Length (In) | 5.9 in |
| Package Contents | 1 Engine Variable Timing Sprocket; 1 Bolt |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 12589782 | General Motors (OE) |
|---|---|
| VV5089 | Interchange |
| 3T1017 | Interchange |
| ECP1786 | Interchange |
| VVT584 | Interchange |
| CSP1031 | Interchange |
| VC134 | Interchange |