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Glow plugs
The original glow plugs would have been bosch 7 volt ceramics which where discontinued because of tip breakages and are no longer made. I bought etechno plugs from the US. as they are 7 volt metal tips ( not quite as good as the ceramics but not an issue in or climate). There should be a yellow sticker on the front timing cover that states 7 volt plugs.
Jeep then came out with 5 volt replacement plugs but your suppose to get a new 5 volt glow plug relay with them, however plenty of guys in the US have run the 5 volt plugs with the original relay and not had issues.
I think a lot of the parts listings are for the early KJ diesels before the motor updates in 2005 and are the 11 volt plug.
It not a hard job once you remove the inlet pipe just be patient and don't add any side load when undoing them , they have been known to break the heads of and then they are a whole world of hurt to remove.
And wow $1200 to replace the plugs thats a rip off right there.
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