There are plenty of old threads in the KJ forum on this subject, and check through the parts thread. I was part of the pilot for the pre-production run of the Italian Etecno glow plugs and they are still functioning just fine some years later. They are a direct swap in for later model KJ CRDs. The resistance values for the glowplugs are in the service manual an various threads. You don't want to see zero ohms (open circuit) or high resistant anything over 10 ohms I would change. Normal reading s only about 3-6 ohms. Make sure you unplug the modulewhen you test down to ths plug. You will need a thin walled 10mm socket to get them out, thick wall socket won't fit in the recess. If you have to change #3 or 4 then your in for a big job as the intake elbow has to be removed to access the plug. You can mix the etecno plugs with the stock plugs but i'd change the lot becase you'll just be going back evengually.
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Glow plugs KJ CRD
