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Dorman 615-203 Engine Valve Cover Gasket - Left or Right
Reliable Engine Valve Cover Gasket for Chevrolet and GMC Trucks
The Dorman 615-203 engine valve cover gasket is designed to provide a durable seal for Chevrolet and GMC heavy-duty trucks. Engineered with silicone material, this one-piece gasket ensures a precise fit and reliable performance for models like the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500.
- Constructed from high-quality silicone for enhanced durability and heat resistance
- One-piece configuration simplifies installation and ensures a consistent seal
- Thickness of 9.8 mm for optimal sealing performance
- Includes 1 valve cover gasket, 8 injector cup o-rings, and 4 valve cover bolts for a complete replacement
- Standard grade type suitable for regular engine operating conditions
Durable Silicone Material and Complete Package Contents
The Dorman 615-203 valve cover gasket is made from silicone, a material known for its flexibility and resistance to high temperatures and oil degradation. This gasket’s 9.8 mm thickness provides a secure seal to prevent oil leaks and maintain engine integrity. The one-piece design reduces the risk of improper installation and ensures consistent sealing across the valve cover surface. Additionally, the package includes injector cup o-rings and valve cover bolts, providing all necessary components for a comprehensive valve cover gasket replacement on Chevrolet and GMC trucks.
Compatible Vehicles and Applications
This engine valve cover gasket is compatible with Chevrolet and GMC heavy-duty trucks, specifically the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models. It is designed to meet the sealing requirements of these vehicles’ engines, helping to maintain proper engine performance and prevent oil leaks.
- Prevents oil leaks from the valve cover area
- Maintains engine cleanliness by sealing the valve cover
- Reduces risk of engine damage caused by oil loss
- Ensures proper injector cup sealing with included o-rings
- Replaces worn or damaged valve cover bolts to secure the cover
Installation Notes and Tips
Before installation, clean the valve cover and surrounding surfaces thoroughly to remove old gasket material and oil residue. Ensure the new gasket is properly seated in the valve cover groove. Use the included valve cover bolts to secure the cover evenly, tightening to manufacturer torque specifications to avoid warping or leaks. Replacing the injector cup o-rings during installation helps maintain injector sealing and engine performance.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 615-203 valve cover gasket undergoes quality checks to ensure durability and reliable sealing performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in the product’s longevity.
| Brand | Dorman |
|---|---|
| Part Number | 615-203 |
| Configuration | One Piece |
| Grade Type | Standard |
| Material | Silicone |
| Package Contents | 1 Valve Cover Gasket; 8 Injector Cup O-rings; 4 Valve Cover Bolts; 7 Assorted Fuel Line Gaskets; 4 Injector Seal O-rings; and 1 Coolant Outlet O-ring |
| Thickness | 9.8 |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2004 | Chevrolet | Silverado 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2004 | Chevrolet | Silverado 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2004 | GMC | Sierra 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2004 | GMC | Sierra 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2004 | GMC | Sierra 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2004 | GMC | Sierra 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2003 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2003 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2003 | Chevrolet | Silverado 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2003 | Chevrolet | Silverado 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2003 | GMC | Sierra 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2003 | GMC | Sierra 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2003 | GMC | Sierra 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2003 | GMC | Sierra 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2002 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2002 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2002 | Chevrolet | Silverado 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2002 | Chevrolet | Silverado 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2002 | GMC | Sierra 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2002 | GMC | Sierra 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2002 | GMC | Sierra 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2002 | GMC | Sierra 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2001 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2001 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2001 | Chevrolet | Silverado 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2001 | Chevrolet | Silverado 3500 | 6.6L | V8 | Right | Valve Cover Kit |
| 2001 | GMC | Sierra 2500 HD | 6.6L | V8 | Left | Valve Cover Kit |
| 2001 | GMC | Sierra 2500 HD | 6.6L | V8 | Right | Valve Cover Kit |
| 2001 | GMC | Sierra 3500 | 6.6L | V8 | Left | Valve Cover Kit |
| 2001 | GMC | Sierra 3500 | 6.6L | V8 | Right | Valve Cover Kit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.