Compatible Vehicle(for reference only):
| Make | Model | Engine | Year | Notes |
| TOYOTA | 4RUNNER | V6-4.0 | 2012-2010 | Downstream |
| TOYOTA | 4RUNNER | V6-4.0 | 2009-2008 | Downstream |
| TOYOTA | 4RUNNER | V6-4.0 | 2007 | From 42893 ; Downstream |
| TOYOTA | 4RUNNER | V6-4.0 | 2007 | To 42893 ; Downstream |
| TOYOTA | 4RUNNER | V6-4.0 | 2006-2005 | Downstream |
| TOYOTA | 4RUNNER | V8-4.7 | 2004-2003 | Downstream |
| TOYOTA | AVALON | V6-3.5 | 2014-2012 | Downstream |
| TOYOTA | AVALON | V6-3.5 | 2011-2008 | Downstream |
| TOYOTA | AVALON | V6-3.5 | 2007-2006 | Downstream |
| TOYOTA | AVALON | V6-3.5 | 2005 | Downstream |
| TOYOTA | CAMRY | L4-2.4 | 2009-2008 | Gas Engine; Auto Trans; Exc. Calif.; Downstream |
| TOYOTA | CAMRY | L4-2.4 | 2009-2008 | Gas Engine; Manual Trans ; Downstream |
| TOYOTA | CAMRY | L4-2.4 | 2007 | Gas Engine; Auto Trans; Exc. Calif.; Downstream |
| TOYOTA | CAMRY | L4-2.4 | 2007 | Gas Engine; Manual Trans ; Downstream |
| TOYOTA | CAMRY | V6-3.5 | 2014-2012 | Downstream |
| TOYOTA | CAMRY | V6-3.5 | 2011-2008 | Downstream |
| TOYOTA | CAMRY | V6-3.5 | 2007 | Downstream |
| TOYOTA | FJ CRUISER | V6-4.0 | 2012-2010 | Downstream |
| TOYOTA | FJ CRUISER | V6-4.0 | 2009-2008 | Downstream |
| TOYOTA | FJ CRUISER | V6-4.0 | 2007 | Downstream |
| TOYOTA | LAND CRUISER | V8-4.7 | 2007-2006 | Downstream |
| TOYOTA | LAND CRUISER | V8-4.7 | 2005 | From 42860 ; Downstream |
| TOYOTA | LAND CRUISER | V8-5.7 | 2013 | Downstream |
| TOYOTA | LAND CRUISER | V8-5.7 | 2011-2008 | Downstream |
| TOYOTA | SEQUOIA | V8-4.6 | 2012-2010 | Downstream |
| TOYOTA | SEQUOIA | V8-4.7 | 2009-2008 | Downstream |
| TOYOTA | SEQUOIA | V8-4.7 | 2007-2005 | Downstream |
| TOYOTA | SEQUOIA | V8-5.7 | 2016 | Flex Fuel Engine ; Downstream |
| TOYOTA | SEQUOIA | V8-5.7 | 2015-2014 | Flex Fuel Engine ; Downstream |
| TOYOTA | SEQUOIA | V8-5.7 | 2013-2012 | Downstream |
| TOYOTA | SEQUOIA | V8-5.7 | 2011-2008 | Downstream |
| TOYOTA | SOLARA | L4-2.4 | 2008 | Downstream |
| TOYOTA | SOLARA | L4-2.4 | 2007 | Downstream |
| TOYOTA | TACOMA | L4-2.7 | 2012-2011 | Auto Trans; RWD ; Downstream |
| TOYOTA | TACOMA | L4-2.7 | 2012-2011 | Manual Trans; RWD ; Downstream |
| TOYOTA | TACOMA | L4-2.7 | 2010-2007 | RWD ; Downstream |
| TOYOTA | TACOMA | V6-4.0 | 2011-2009 | Downstream |
| TOYOTA | TACOMA | V6-4.0 | 2011-2009 | Downstream |
| TOYOTA | TACOMA | V6-4.0 | 2008-2007 | Downstream |
| TOYOTA | TACOMA | V6-4.0 | 2006-2005 | Downstream |
| TOYOTA | TUNDRA | V6-4.0 | 2012-2011 | Downstream |
| TOYOTA | TUNDRA | V6-4.0 | 2010-2007 | Downstream |
| TOYOTA | TUNDRA | V6-4.0 | 2006-2005 | Downstream |
| TOYOTA | TUNDRA | V8-4.6 | 2013-2010 | Downstream |
| TOYOTA | TUNDRA | V8-4.7 | 2009-2007 | Downstream |
| TOYOTA | TUNDRA | V8-4.7 | 2006-2005 | Downstream |
| TOYOTA | TUNDRA | V8-5.7 | 2015-2014 | Flex Fuel Engine ; Downstream |
| TOYOTA | TUNDRA | V8-5.7 | 2013 | Flex Fuel Engine ; Downstream |
| TOYOTA | TUNDRA | V8-5.7 | 2012 | Downstream |
| TOYOTA | TUNDRA | V8-5.7 | 2011-2007 | Downstream |
| TOYOTA | VENZA | V6-3.5 | 2014-2012 | Downstream |
| TOYOTA | VENZA | V6-3.5 | 2011 | Downstream |
| TOYOTA | VENZA | V6-3.5 | 2010-2009 | Downstream |