Here is what you need when replacing the pinion seal (front axle parts shown)

			needs for seal replacement
312	A601 351 00 72	Nut	need	€3.86
300	A460 350 00 45	Flange	needed when grove shows (image below)	€85.72
306	A460 353 00 91	protective plate	only needed when bent - it attaches to the flange. A new flange comes with the plate attached.	€2.74
288	A013 997 18 47	sealing ring	need	€14.64
292	A017 997 55 47	sealing ring	need	€16.08
			additional needs for bearing replacement
276	A001 980 89 02	taperd roller bearing	need
264	A108 353 00 42	crush sleeve	need !	€2.49
252	A601 353 62 52	shim	maybe	€5.73
240	A005 981 25 05	taperd roller bearing	need
296	A006 997 96 48	rubber O-ring	need	€0.61