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109 land rover brake master connector size



Hi can someone please help buy telling me the sizes of the brake connectors from the brake master cylinder as they are both different with the one at the end when attached being larger a part number or link would be much appreciated (for the larger one).

Thanks in advance




brake master cylinder.jpg

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I assume you are talking Ex-MOD S3 with dual line brakes ?


If so - after mid 1980 there was a change of master cylinder NRC6096 & metric threads - front is 12mm x 1mm pitch , rear (adj. vacuum servo is 10mm x 1mm pitch.


However , just looking at threads - they seen early MC 90577520 , these are UNF - IIRC 3/8 in x 24. 7/16 x 20.


Suggest you double check against tap(s) or UNF bolts ,,

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