Liam Bibo, Niva Ta'auso and Conor O'Loughlin come into the backline.
Adrian Flavin takes over at hooker from Sean Cronin, who is on international duty for Ireland's final Six Nations game against Scotland, while Ray Ofisa returns in the back row.
Tickets which were purchased for this game, which was called off on January 8 because of frost and snow, will be valid for the game on St Patrick's Day.
Connacht: G Duffy; L Bibo, N Ta'auso, K Matthews, F Carr; I Keatley, C O'Loughlin; B Wilkinson, A Flavin, J Hagan; M Swift, M McCarthy; J Muldoon, R Ofisa, G Naoupu.
Replacements: R Loughney, R Morris, B Upton, M McComish, K Campbell, M Nikora, A Wynne.
Guinness PRO12
Suite 208, Alexandra House,
The Sweepstakes
Ballsbridge, Dublin 4, Ireland