Bosch Oxygen Sensor for 04-06 Jeep Wrangler TJ & Unlimited with 4.0L Engine, 2004 Grand Cherokee WJ with 4.0L Engine & 2004 Liberty KJ with 2.4L Engine

Later model 4.0L engines have a front and rear exhaust manifold. Each manifold has their own catalytic converter. Each catalytic converter has a front and rear sensor. The placement of each sensor this application fits is outlined below. Fits the following applications:

• 04-06 Wrangler TJ & Unlimited with 4.0L Engine. Front exhaust manifold, before catalyst.
• 05-06 Wrangler TJ & Unlimited with 4.0L Engine. Rear exhaust manifold, after catalyst.
• 2004 Grand Cherokee WG (Europe) with 4.0L Engine. Front exhaust manifold, before catalyst.
• 2004 Grand Cherokee WJ with 4.0L Engine. Front exhaust manifold, before catalyst.
• 2004 Liberty KJ with 2.4L Engine. After catalyst.