Designed by myself to solve the problems of air in the cooling system.
The original filler cap for an Elan is on the radiator which is not the highest point on the system.
This is a straight swop for the original with same pipe orientation so you can reuse your original hoses (or my Lotus silicone hoses).
By installing the new thermostat housing with filler cap you ensure you are filling from the highest point and avoiding air pockets in the system.
Another advantage is the housing has a threaded boss into which one of my variable temperature fan controllers can be fitted. Alternatively this can be blanked off.
Fits OK under bonnet of Elan and Plus 2.
Can also be used on various other Ford engines.
Use with one of my radiator caps (see related products below) with extra rubber seal so the water sucks back from the expansion bottle properly.
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