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Oils are not always Oils ---

1080 Views 6 Replies 5 Participants Last post by  13Tregex
How I found out there are (at least) two different Oil Filters on a V6 TDI

I had this great idea on how to modify the Oil Filtration system on my V6 TDI and it involved fitting a braided hose to the cover of the Oil Filter housing. Rather than muck around with my existing filter assembly, I decided to buy another from a wrecker (breaker) and use that as a prototype/test-bed unit.

So of to Ebay and purchased a used Mahle Filter Assembly for a Touareg/Q7/Cayenne and it arrived 5 days later from Germany. Excellent service.

Well now the fun begins, as although this unit is identical in every aspect, except for ONE! I now find there are two types of Mahle Filter Assemblies, mind you they both bare the same product code and item numbers.

The first type, as fitted to my Touareg, uses a square section seal between the body and the cap, and the alternate uses an “O” ring seal, and they appear not to be interchangeable. BUGGER! So much for my prototyping..back to the drawing board, as I don't feel like buying another and risk have two useless spare parts.

Below are a couple of photos to show the difference. If anybody wants a spare they are welcome for the cost of the postage....



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