Thread Adapter for C17421 5/4" to 3/4"

It sometimes happens if you remove the Waterpump adapter - which is in use on various location of Jaguar engines - you damage the thread, especially if the part C17421 is placed in Aluminium.

With this 5/4" inner threat to 3/4" outer tread adapter you can repair the part by tapping the thread from 5/4" out 3/4".

You can use a teflon band or other means to increase sealing, how ever the ring is made of a material, which has also excellent sealing properties.