Mercury bigfoot question

[jimbo1890]

Hey there, I hope someone out there can help.
I have decided to get back into fishing and purchased off fleabay a 3.8m markham whaler which has a steering console near the back on the left which i want to move forward which brings me to my question I have also purchased a 2004 mercury 40hp injected 4 stroke bigfoot outboard. Can anyone tell me if forward controls pn 881170A15 fleabay item number 171361940583 and pn 883719A15 fleabay item number 331462589915 will suit?
If anyone can help that would be great.

Jimbo.