It ensures a secure, leak‑free connection between the fuel cap and tank for 2007‑2011 Jeep Wrangler 3.8L models. For 2007-2011 Jeep Wrangler 3.8L. Type: Filler Neck Tube. 1x Neck Tube. Service purpose: designed for car enthusiasts who are keen on pursuing high performance and fashionable beauty.