Oil filter Thread size?

Post by **cumbriankeith** » 27 Oct 2008, 13:09

I thought I'd seen it somewhere but can't find it by searching...
Could anyone please confirm the thread spec of the standard spin-on oil filter, please? I think I remember it as 3/4 UNF but I'm not certain. Vagcat shows a few thread sizes but not that one as far as I can see.
I'm thinking of fitting a sandwich plate for a temp sender and possibly extra cooler and want to get the right one.
Tankslot

Post by **Ian Hulley** » 27 Oct 2008, 13:18

See other post

Post by **Mocki** » 27 Oct 2008, 13:28

Aircooled and watercooled different size antway iirc

Post by **Ian Hulley** » 27 Oct 2008, 13:45

Ian Hulley wrote:WBX is definately NOT 3/4" UNF ... 100% not.

Sorry not to be more helpfull, haven't got one here to measure pitch etc.

Ian.

The WBX is a coarse thread ... which I shall measure given time ... sorry Steve didn't know they was different

Post by **Mocki** » 27 Oct 2008, 14:00

now ive been thinking about it, im not i was right in saying that, its bugging me now!
I was sure they are different, but now, i may be retracting that!

Post by **cumbriankeith** » 27 Oct 2008, 17:15

Well I've just had a measure of the thread and it seems to be a taper type with diameter of 0.75 inch at the middle of the thread. I only have metric pitch gauges and it does not seem to be either 1.75 or 1.5

I found a listing for a K&N hi-spec filter that lists the thread as "Thread Number 16 UNF-2B" - but I'm not too sure what that means. Any ideas??

Post by **Simon Baxter** » 27 Oct 2008, 19:27

3/4's UNF definatley.
16mm long thread.

Post by **Mocki** » 27 Oct 2008, 19:39

so are WBX and Aircooled the same thread Simon?
its been bugging me all day, after i thought they werent the same then argued with me sen alll afternoon!!

Post by **HarryMann** » 27 Oct 2008, 20:13

Most are on here somewhere, look under filter housing take-off plates etc...

http://www.thinkauto.com/acatalog/sitemap.html

Post by **Simon Baxter** » 27 Oct 2008, 20:29

They are all the same.
http://www.mann-hummel.com/mf_prodkata_ ... ckToPage=1

Post by **cumbriankeith** » 27 Oct 2008, 21:34

That's brilliant Simon - thanks very much!

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Oil filter Thread size?

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