Originally Posted by spock505

From their web site;

High technical standard combined with top quality.

Bosch meets the highest quality requirements with the new Duraterm Chromium. Every glow plug undergoes a 100% function check including X-ray test and glow test. The result is a premium quality product you can depend on.


The new chromium design.


With the new Duraterm Chromium, the external difference to a conventional glow plug are obvious from the first glance:

• Gleaming chrome glow tube.
• Blue insulation disc.
• Silver-colored round nut.