Will a 1.8 16 valve gearbox fit in a 1.6 16 valve 51 laguna?

Yes, a 1.8 16-valve gearbox can typically fit a 1.6 16-valve Renault Laguna, as both engines share similar platform designs and mounting points. However, it’s important to check compatibility regarding gear ratiOS and final drive, as well as ensure that the gearbox mounts and connections align properly. Consulting a service manual or a professional mechanic can provide specific guidance for your vehicle.