ISO 2003 vacuum radiator test cap

[Lenh]

I am looking for a radiator vacuum tester/filler that has the right cap for out thunderbirds cooling system. I purchased two from Amazon that did not have a cap that will work. Any suggestions?

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[davea]

This is what I bought, sorry, it is no longer available. Works great, though.

Goplus 28-Piece Universal Radiator Pressure Tester, Vacuum Type Cooling System Tool Kit w/Carrying Case (Blue Case)​