Osakakev Posted September 13, 2024 Share Posted September 13, 2024 Hi, Im trying to replace my Koyo high pressure radiator cap with a OEM Nissan one but doesn’t seem to fit right. It won’t twist all the way round like the existing one does My car has a Koyo Aluminium Racing Radiator if that means I need to stick with the Koyo cap? Thank you Quote Link to comment Share on other sites More sharing options...
ShortPaul Posted September 14, 2024 Share Posted September 14, 2024 I would stick with the koyo cap bud Quote Link to comment Share on other sites More sharing options...
Osakakev Posted September 14, 2024 Author Share Posted September 14, 2024 I think the high pressure Koyo Cap is causing me issues so trying to find a standard one that will fit Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted September 14, 2024 Share Posted September 14, 2024 No reason why the OEM does not fit. Check that the "lugs" are not bent and apply a bit of downward pressure when turning the cap. Quote Link to comment Share on other sites More sharing options...
Osakakev Posted September 15, 2024 Author Share Posted September 15, 2024 The lugs seem fine. Just tried again even with downward pressure it won’t budge past 3/4 The Koyo goes on with ease Cheers Quote Link to comment Share on other sites More sharing options...
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