| vehicle | engine | year | engine family | California EO # | description |
|---|---|---|---|---|---|
| CHEVROLET TRAILBLAZER | 4.2L | 2002 | 2GMXA04.2187 | D-193-173 | |
| CHEVROLET TRAILBLAZER | 4.2L | 2003 | 3GMXA04.2187 | D-193-173 | |
| GMC ENVOY | 4.2L | 2002 | 2GMXT04.2185 | D-193-173 | |
| GMC ENVOY | 4.2L | 2003 | 3GMXA04.2187 | D-193-173 | |
| OLDSMOBILE BRAVADA | 4.2L | 2002 | 2GMXT04.2185 | D-193-173 | |
| OLDSMOBILE BRAVADA | 4.2L | 2003 | 3GMXT04.2185 | D-193-173 |
Do It Yourself Bolt-on installation
It may require basic automotive knowledge for proper installation and professional installation is always recommended.