broken logic board replacement

hello,

if i buy a MacBook Air 13" (Early 2015) 1.6 GHz Logic Board: MacBook Air 13" (Early 2015) 1.6 GHz Logic Board

is my macbook ready for use or must i replace some components from my old mac on the new logib board?

crwdns2886500:0MacBook Air 13" (Early 2015) 1.6 GHz Logic Boardcrwdne2886500:0

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MacBook Air 13" (Early 2015) 1.6 GHz Logic Board

$399.99

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What are you putting it into and why?

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