Japanese Kyocera ceramic
Note - they have a generic end on them and you may need to cut your existing plug off and join.
We have in-stock most items to repair Diesel Parking Heaters and Diesel Air Heaters. If not in stock we have access to almost all parts both genuine and aftermarket for Caravan and Motorhome heaters.
This is not a genuine Eberspacher part. Genuine Warmda Diesel Heater parts.