Oxigen Sensor

Fits:
2001-2006 Jeep Wrangler TJ w/ 2.4L or 4.0L engine
2007-2009 Jeep Wrangler JK w/ 3.8L engine
2001-2004 Jeep Grand Cherokee WJ w/ 4.0L engine
2005-2006 Jeep Grand Cherokee WH (Europe) model w/ 5.7L engine
2005-2010 Jeep Grand Cherokee WK (US) model w/ 3.7L, 5.7L or 6.1L engine
2006-2010 Jeep Commander XK w/ 3.7L, 4.7Lor 5.7L engine
2004-2007 Jeep Liberty KJ w/ 2.4L or 3.7L engine

Fits::
Jeep Cherokee (XJ) (1997) w/ 2.5L engine before Catalytic Converter.
Jeep Grand Cherokee (ZJ) (1997-1998) w/ 5.2L or 5.9L engines.
Jeep WRangler (TJ) (1997-1999) w/ 2.5L engines 4 cylinder.

Fits:
2004 Jeep Wrangler TJ w/ 4.0L engine; Before Catalyst Front
2005-2006 Jeep Wrangler TJ w/ 4.0L engine; After Catalyst Rear
2005-2006 Jeep Wrangler TJ w/ 4.0L engine; Before Catalyst Front
2004 Jeep Grand Cherokee WJ w/ 4.0L engine; Before Catalyst Front
2004 Jeep Liberty KJ w/ 2.4L engine; After Catalyst

Fits:
2004 Jeep Wrangler TJ w/ 4.0L engine
2004 Jeep Liberty KJ w/ 3.7L engine
2002 Jeep Grand Cherokee WG (Europe) model w/ 4.7L engine

Fits::
Jeep Wrangler (TJ) (1997-2000) w/ 4.0L engine
Jeep Cherokee (XJ) (1997-1999) w/ 4.0L engine
Jeep Grand Cherokee (ZJ) (1994-1996) 
The above before Catalytic Converter.

Fits:
2001-2004 Jeep Wrangler TJ w/ 2.4L or 2.5L engine
2001 Jeep Wrangler TJ w/ 4.0L engine; Europe
2003 Jeep Wrangler TJ w/ 4.0L engine
2002-2003 Jeep Liberty KJ w/ 2.4L engine

Fits:
2001-2004 Jeep Wrangler TJ w/ 4.0L engine; Before Cat; Export
2001 Jeep Grand Cherokee WJ; WJ (US) model w/ 4.0L engine; Before Cat; European II Emissions
2001 Jeep Grand Cherokee WJ; WG (Europe) model w/ 4.0L engine; Before Cat
2003-2004 Jeep Grand Cherokee WG; WG (Europe) model w/ 4.0L engine; Before Cat.

Fits:
2001-2003 Jeep Wrangler TJ w/ 4.0L engine; Before Catalyst Front
2001-2003 Jeep Grand Cherokee WJ w/ 4.0L engine; Before Catalyst Front
2002 Jeep Grand Cherokee WG; WG (Europe) model w/ 4.0L engine; Before Catalyst Front

Fits:
2001-2002 Jeep Wrangler TJ w/ 2.5L engine; Before catalyst
2003-2004 Jeep Wrangler TJ w/ 2.4L engine; Before catalyst
2001-2003 Jeep Wrangler TJ w/ 4.0L engine; Before catalyst, rear sensor
2002-2003 Jeep Liberty KJ w/ 2.4L or 3.7L engine; Before catalyst, front sensor
2001 Jeep Grand Cherokee WJ w/ 4.0L engine; w/ California emissions; Before catalyst, rear sensor
2002-2003 Jeep Grand Cherokee WJ w/ 4.0L engine; Before catalyst, rear sensor
2003 Jeep Grand Cherokee WJ w/ 4.0L engine; After catalyst, front sensor.

Fits::
Jeep Wrangler (TJ) (2000) w/ 4.0L; after Cat, Front
Jeep Cherokee (XJ) (2001) w/ 4.0L engine
Jeep Cherokee (XJ) (2000) w/ 4.0L engine; Canada or Europe III emissions.

Fits:

2004-Jeep Wrangler TJ 4.0L Rear
2004-Jeep Wrangler Unlimited TJL 4.0L Rear
2004 Jeep Grand Cherokee WJ 4.0L Rear
2004 Jeep Liberty KJ 3.7L Left and Right

Fits:

2005-2006 Jeep Wrangler TJ with 4.0 Engine

Fits:

2005-2006 Jeep Wrangler TJ 4.0L Front
2005-2006 Jeep Wrangler Unlimited TJL 4.0L Front

Fits:

2001-2003 Jeep Wrangler TJ 4.0L Front