Dorman 903-305 Exhaust Pipe Clamp 09-21 Chevy Silverado Tahoe GMC Sierra Yukon
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
$40.57
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 exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles. Manufactured from quality materials for reliability, it is engineered to help ensure secure connections between exhaust system components.
- Direct replacement - this exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles
- Ideal solution - engineered to help ensure secure connections between exhaust system components
- Durable construction - designed and manufactured to strict specifications for reliable performance
- 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 |
|---|---|---|---|---|
| 2021 | Cadillac | Escalade | 3.50 In. Clamp | |
| 2019-2020 | Cadillac | Escalade | 3.50 In. Clamp; 6.2L V8 | |
| 2011-2017 | Cadillac | Escalade | 3.50 In. Clamp; 6.2L V8 | |
| 2012-2020 | Cadillac | Escalade ESV | 3.50 In. Clamp; 6.2L V8 | |
| 2011-2013 | Cadillac | Escalade EXT | 3.50 In. Clamp; 6.2L V8 | |
| 2021 | Chevrolet | Cheyenne | 3.50 In. Clamp | |
| 2020 | Chevrolet | Cheyenne | 3.50 In. Clamp; 6.2L V8 | |
| 2014-2017 | Chevrolet | Cheyenne | 3.50 In. Clamp; 6.2L V8 | |
| 2020 | Chevrolet | Silverado 1500 | 3.50 In. Clamp; 6.2L V8 | |
| 2011-2018 | Chevrolet | Silverado 1500 | 3.50 In. Clamp; 6.2L V8 | |
| 2019 | Chevrolet | Silverado 1500 Legacy | 3.50 In. Clamp; 6.2L V8 | |
| 2020 | Chevrolet | Silverado 3500 HD | 3.50 In. Clamp; 6.0L V8 | |
| 2016-2018 | Chevrolet | Silverado 3500 HD | 3.50 In. Clamp; 6.0L V8 | |
| 2018-2020 | Chevrolet | Suburban | 3.50 In. Clamp; 6.2L V8 | |
| 2009-2013 | Chevrolet | Suburban 2500 | 3.50 In. Clamp; 6.0L V8 | |
| 2018-2020 | Chevrolet | Tahoe | 3.50 In. Clamp; 6.2L V8 | |
| 2020 | GMC | Sierra | 3.50 In. Clamp; 6.2L V8 | |
| 2013-2018 | GMC | Sierra | 3.50 In. Clamp; 6.2L V8 | |
| 2020 | GMC | Sierra 1500 | 3.50 In. Clamp; 6.2L V8 | |
| 2011-2018 | GMC | Sierra 1500 | 3.50 In. Clamp; 6.2L V8 | |
| 2019 | GMC | Sierra 1500 Limited | 3.50 In. Clamp; 6.2L V8 | |
| 2011-2020 | GMC | Yukon | 3.50 In. Clamp; 6.2L V8 | |
| 2020 | GMC | Yukon XL | 3.50 In. Clamp; 6.2L V8 | |
| 2015-2017 | GMC | Yukon XL | 3.50 In. Clamp; 6.2L V8 | |
| 2011-2014 | GMC | Yukon XL 1500 | 3.50 In. Clamp; 6.2L V8 | |
| 2009-2013 | GMC | Yukon XL 2500 | 3.50 In. Clamp; 6.0L V8 | |
| 2009 | Hummer | H2 | 3.50 In. Clamp; 6.2L V8 |
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 | 903-305 |
| UPC | 889245058997 |
| Material | Aluminum |
| Color | Metallic Gray |
| Outside Diameter | 96 mm |
| Finish | Natural |
| Housing Color | Natural |
| Size | 96 mm |
| Maximum Diameter | 3.9 in. |
| Minimum Diameter | 3.5 in. |
| Performance Rated | No |
| Pipe Diameter | 96 mm |
| Flange Included | Yes |
| Nut Type | Hex-Nut |
| Thread Length | 70 mm |
| Universal Or Specific Fit | Specific |
| Grade Type | Standard Replacement |
| Clamping Type | V Band |
| Flair Diameter | 2 in. |
| Clamp Design | V Band |
| Maximum Diameter (In) | 3.9 in |
| Package Contents | 1 Clamp |
| Thread Diameter | 0.125 in |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 20779890 | General Motors (OE) |
|---|