I presume it's the one in the photo and the answer is yes there is an oil seal which costs pence from the stealer.
I know the numbers are on another posting
Kenny
PS here are the seals No 3 402686 £2.88 No4 4026 87 £1.63 & No 5 402688 £1.39
Hope that helps
C5 x7 2.0 HDi 160 hp Estate exclusive, moved on.
Xantia 2.0 Hdi 90hp 1999 only 189,000 and rising!!!!!!! Moved on to a new home
C3 1.4 petrol (SWMBO)
Xantia TD 1.9 Mk 2 Estate LX 1998 model over 210,000 miles now and still rising!!!!!!!!!!!!! now deceased 17/12/2010.
and its usually either 4 or 5 in that drawing they are different diameters
Regards, malcolm.
current ride a BX 1.7 TZD estate
1986 MK1 BX 1.9na D Auto(in Mothman Andy's stable )
layed up roppy 1.9TD XANT estate, now gone to meet her maker
purple and lilac metalic 2CV(VIOLET)registered to her in doors
1972 DS special been layed up aprox 31 years