Laguna 2 – Drive shaft joint

Hello, I wanted to change the wheel-side drive shaft joint, but I don’t find the right one. I ordered different ones using the key number, but they all didn’t fit. Also some phone calls with parts suppliers did not produce any result. The defective joint has an outer diameter of 82mm, however, the joints for this vehicle usually have 86mm. I installed a joint, but the drive shaft is too small and does not reach into the gearing. now the question is how I get out of which vehicle this came from. Unfortunately I couldn’t find the transmission designation, but the engine is a F4P 1.8L 16V manual transmission. Someone an idea from which vehicle the drive shafts also fit? MfG Maik