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| These engines can be fitted with either metal or ceramic glow plugs. |
| A - | Bosch ceramic glow plugs are colour-coded with a „white seal“-arrow- and have a chamfered shoulder (-detail view-) at the tip. |
| A - | NGK ceramic glow plugs are colour-coded with a „white seal (on some versions painted over in silver)“-arrow- but do not have a chamfered shoulder at the tip. |
| B - | Metal glow plugs are colour-coded with a „red seal“-arrow-. |
Caution | It is very important that you observe the handling procedures for ceramic glow plugs. The metal glow plugs do not require any special handling procedures. |
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