I'd wear out the shafts and drive flanges first. And then buy new HTE shafts. OEM drive flanges are a cheap sacrificial part. Much cheaper than shafts. Keep one or two spare flanges in the car.
Just some more info, again this is covered in other posts...
*Part of the issue is BOTH the axle and drive flanges hardness is quite a bit less than that of old, so replacing the drive flange alone on the rear wont solve the wear issue.
*The disadvantage of allowing the axle/drive flange to "wear out" before replacing is the fretted material that oxidises ends up in the wheel bearings.
*I've not seen Ashcroft axle/drive flanges for a few years and have never done a hardness test on either the axle or drive flange.
*All splines are going to suffer fretting regardless, but a correct fitting tight spline, regular lubed, and better quality material (all of which the standard LR ones arent) they will last the distance.
*VIN GA (MY16) lists rear one piece axle/drive flanges.
*Ive had two in recently, both had one piece.
*The inner spline is the same, so 2002 onwards that use a P38 rear diff, the one piece will fit.
*But as only genuine the cost may well exceed that of upgrading to HTE or Ashcroft (brand names) axle/drive flanges. There is also likely to be none in Australia.
) turbo, p/steer, RFSV front axle/trutrack, HF, gullwing windows, double jerrys etc.
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