This monofilament glow plug replaces the old AN1000ME used on old european diesel engines, see cross references list and application below for more info. It is produced in our factory. It's 100% tested on production line by automatic machines and lifespan tested according to oem protocols. It replaces the old AN1000ME changing the supply to a parallel connection instead of the original serial one. It can be easy done with our K30 replacement kit, including the 4 glow plugs and the three required cables.