You find the number, search for it online, and find nothing. This happens because Renault frequently updates parts. The number you have might be an "old" number.
Since Dacia uses Renault platforms (B0, M0), the 7zap catalog includes full Dacia support. A Duster owner can find the exact driveshaft for a 1.5 dCi engine without going to a Dacia specialist. renault 7zap