you can get a complete axle for approx 50 quid of ebay and you can take the shafts and diff out and swap on both axles in about 2 hours done my old mans one about a year ago as crown wheel had teeth snap off done it in a barn no 4 post ramp just every day jacks,stands, and trusty loss of blood to the odd knuckle or 2 or you can swap whole axle in thhe same sort of time