Yes only metal tip are being sold now. IDparts.com is the best source for that. you can get either the 7v or 5v, the Bosch 5v I was told are considered a little better in reliability. but you will need a new relay and computer flash to use them since the origanal system is 7 volt. If you have a GDE tune and still have the programmer box that's an easy fix as you can get a tune update for like $50 so that you will have your tune with the software for 5 volt plugs. if you dont have a GDE tune, and dont want to go to the dealer for a software update id get the 7 volt as those are a direct bolt in replacement.
_________________ 2006 Liberty CRD Limited Deep Beryl Green Metallic Clear coat, Fumoto valve, MH ProVent (removed), GDE Eco tune, OME 790/948 springs, OME struts, OME N132L shocks, Jeepin by Al A-arms, Hercules Terra Trac AT2 245/75R16 Weeks Stage 1 EGR delete, 5 volt steel glow plugs
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