Oil filter housing o ring?

Guys a little help please. 

Need to know where to get the o ring pictured here 

I got the green gasket but need the seal in the picture. 

Thanks

Craig 

I am looking at the etka,  Volkswagen Golf 1982, oil filter oil filter bracket oil dipstick 1.5-1.8ltr. EG,EM,EN,FR, GH,JB,DX,JJ, EW,HN, DIESEL:CR,JK T-DIESEL:CY

it states that number 8 oring 067115427A

http://www.oemepc.com/vw/part_single/catalog/vw/markt/RDW/modell/GO/year/1982/drive_standart/7/hg_ug/115/subcategory/13020/part_id/3686023/lang/e#sec_8

http://www.classic-vw.co.uk/mk1-golf-gti-oil-filter-housing-seal-front-mount-cooler-067115427a-5171-p.asp

less than a pound.  

Perfect Thanks. Just tried to buy it and will have to buy something else also as less than £4. Haha. I can live with that happy to buy parts for her really


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That is the one I fitted earlier this year. The new seal is round but the old one is squashed flat and at first I thought it was wrong. It's very easy to fit though and stopped my Golf from leaving is mark on the driveway!
 

I bought an O ring seal for my Mk1 Scirocco fuel pump, I found the size of it online a bought a replacement from a company which sells O rings, cost about 50p compared to vw heritage £4.

Edit.. just opened up the links above and Classic vw is a good price or pack of 5 £3.80 from link below.

http://www.bearingshopuk.co.uk/46-x-3mm-nitrile-70-o-ring-35338