Specifically designed for the 2004.5 to 2005 LLY Duramax. This upgrade kit replaces the factory plastic valve cover breather system with CNC machined billet aluminum valve cover adapter fittings and oil compatible 5/8 Inch tubing. Sold as a complete kit.
GM Equivalent P/N: 973570331
This Part Fits:
| Year |
Make |
Model |
Submodel |
Notes |
| 2004 |
GMC |
Sierra 2500 HD |
|
|
| 2005 |
GMC |
Sierra 2500 HD |
|
|
| 2004 |
Chevrolet |
Silverado 2500 HD |
|
|
| 2005 |
Chevrolet |
Silverado 2500 HD |
|
|
| 2004 |
Chevrolet |
Silverado 2500 HD |
LS |
|
| 2005 |
Chevrolet |
Silverado 2500 HD |
LS |
|
| 2004 |
Chevrolet |
Silverado 2500 HD |
LT |
|
| 2005 |
Chevrolet |
Silverado 2500 HD |
LT |
|
| 2004 |
GMC |
Sierra 2500 HD |
SLE |
|
| 2005 |
GMC |
Sierra 2500 HD |
SLE |
|
| 2004 |
GMC |
Sierra 2500 HD |
SLT |
|
| 2005 |
GMC |
Sierra 2500 HD |
SLT |
|
| 2004 |
Chevrolet |
Silverado 2500 HD |
WT |
|
| 2005 |
Chevrolet |
Silverado 2500 HD |
WT |
|
| 2004 |
GMC |
Sierra 2500 HD |
WT |
|
| 2005 |
GMC |
Sierra 2500 HD |
WT |
|
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