The wiring on the sensor on my bike is rooted. This is the sensor I have
851 level sensor by
Andrew Metford, on Flickr
Stein-dinse, who in my experience are pretty good, said it is not available anymore, only the 748/916/996 one is available. This one
Aside from the wiring into the pump which is easy enough to rectify, will this actually fit and work on an SP3? otherwise where can I get the correct one from?