The phrase "new cylinder" refers to a fresh start, a new beginning or a different perspective on something. It suggests the idea of starting over with a fresh mindset or approach. Full definition
Then I ordered new cylinder head and valves, a slight improvement but not even close. (mechanics.stackexchange.com)
New cylinder block head is used in this engine. (mywikimotors.com)
New cylinder liners that were now pressed into the aluminium block instead of the original cast - in variants allow a thinner liner, which in turn allows a larger capacity of 4.7 L. (en.wikipedia.org)