AccuPart O2 Sensor for 01-04 Jeep Wrangler TJ and Grand Cherokee WJ with 4.0L Engine

If your Jeep is running a little lean or has a check engine light, then it may be time for a new O2 Sensor. These factory original sensors are direct replacements for the defective unit currently in your Jeep. Factory style plug ends ensure for a precise fitment and hassle free installation. Learn More Factory Fitment: Designed to factory specifications. Easy Install: Installs in factory location with no modifications needed. Plug and Play: Factory style plugs make for quick plug in style connection. Replaces OE: 56030100AA, 56041943AA, 23139, ES20092 Installation Notes Installation Difficulty: Level 2 Intermediate Installation Time: 1-2 hours Parts Included One O2 Sensor Warranty One Year Limited Warranty Specs Shipping Weight: 1lb Shipping Dimensions: 6in x 2in x 2in (L x W x H) Fitment Jeep Grand Cherokee (WJ) 2004 Jeep Grand Cherokee (WJ) 2003 Jeep Grand Cherokee (WJ) 2002 Jeep Grand Cherokee (WJ) 2001 Jeep Grand Cherokee (WJ)Jeep Wrangler (TJ) 2