Apple MagSafe 2 I/O Board A1466 MacBook Air 13i 2017 2015 2014 2013 Apple_iPhone the compound thins out to

the compound thins out to enhance the filling of the microscopic valleys and ensure the best physical contact between the heatsink and the CPU core

and exact placement of smaller 2

so yours should show "Model A2141" if it is the correct model for these cases

also known as 655-1958 655-1959 655-1960

Apple MagSafe 2 I/O Board A1466 MacBook Air 13i 2017 2015 2014 2013 Apple_iPhone the compound thins out toApple MagSafe 2 I O Board (Left) for MacBook Air A1466 (13 inch) Left hand side I O Board which includes: MagSafe 2 Port DC Jack USB 3. 0 Port Headphone Socket 3. 5mm Audio Board A. 923 0439 923 0439 820 3455 A 9230439 923 0439 8203455A 820 3455A 8203455 A Suitable for: MacBook Air (13 inch, 2017) A1466 MacBookAir7,2 MacBook Air (13 inch, Early 2015) A1466 MacBookAir7,2 MacBook Air (13 inch, Early 2014) A1466 MacBookAir6,2 MacBook Air (13 inch, Mid