2001-2020 Dodge, Jeep, Ram rear differential plug. This is a new genuine Mopar part. OEM part # is 5137582AA. Fits many different makes and models:
2001-2018 Jeep Wrangler
2001-2006 Jeep Grand Cherokee
2001 Jeep Cherokee
2002-2012 Jeep Liberty
2007-2011 Dodge Nitro
2004-2006 Dodge Ram SRT10
May fit other makes and models.