| vehicle | engine | year | engine family | California EO # | description |
|---|---|---|---|---|---|
| CHEVROLET EXPRESS 1500 | 5.3L | 2003 | 3GMXT05.3184 | D-193-173 | |
| CHEVROLET EXPRESS 1500 | 4.3L | 2003 | 3GMXT04.3184 | D-193-173 | |
| CHEVROLET EXPRESS 1500 | 4.3L | 2006 | 6GMXT04.3181 | D-193-173 | |
| CHEVROLET EXPRESS 2500 | 4.3L | 2003 | 3GMXT04.3184 | D-193-173 | |
| CHEVROLET EXPRESS 2500 | 5.3L | 2003 | 3GMXT05.3184 | D-193-173 | |
| CHEVROLET EXPRESS 2500 | 5.3L | 2005 | 5GMXT05.3170 | D-193-173 | |
| GMC SAVANA 1500 | 5.3L | 2003 | 3GMXT05.3184 | D-193-173 | |
| GMC SAVANA 1500 | 4.3L | 2003 | 3GMXT04.3184 | D-193-173 | |
| GMC SAVANA 1500 | 4.3L | 2006 | 6GMXT04.3181 | D-193-173 | |
| GMC SAVANA 2500 | 4.3L | 2003 | 3GMXT04.3184 | D-193-173 | |
| GMC SAVANA 2500 | 5.3L | 2003 | 3GMXT05.3183 | D-193-173 |
Do It Yourself Bolt-on installation
It may require basic automotive knowledge for proper installation and professional installation is always recommended.