Posted November 7, 200915 yr comment_299727 Hi, Can some one tell me what size brake booster / master cylinder came out on a original '73 Coupe, I was looking at mine today, and the booster is small, 5 inches by the looks, with a 3/4 master cylinder. Nigel Link to comment https://www.classiczcars.com/forums/topic/33770-240k-coupe-brake-booster-master-cylinder/ Share on other sites More sharing options...
November 8, 200915 yr comment_299735 Yep looks stock. They look tiny when compared with the later sedan ones. Link to comment https://www.classiczcars.com/forums/topic/33770-240k-coupe-brake-booster-master-cylinder/#findComment-299735 Share on other sites More sharing options...
April 20, 201212 yr comment_387709 this is the original one.... I have it on my 73 sedan as well, part # 47210 - R3000many of us change it to the bigger master of the c210, but now adays all old enthusiast go back to it. searching even forfaulty ones , cause it makes the car look stock.to make sure I ll give some mesurementsdiameter 122 mmwidth 86 mmshort distance between fixing bolts 88 mmlong distance between fixing bolts 96 mmdistance between the front bolts 68 mm Edited April 20, 201212 yr by skyc110 Link to comment https://www.classiczcars.com/forums/topic/33770-240k-coupe-brake-booster-master-cylinder/#findComment-387709 Share on other sites More sharing options...
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