Model Year 2018 and Newer Mahle OC1177 Oil Filter

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Thread: Mahle OC1177 Oil Filter

  1. #1
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    Mahle OC1177 Oil Filter

    Anyone used these on their Crosstreks? Currently $4.77 on Amazon: https://www.amazon.com/Mahle-OC1177-...r=8-1-fkmrnull

    I've been using a PBL-14615 Purolator filter and Pennzoil Platinum Ow-20 Synthetic on my 18 6 SP, and have had no issues, but at $4.77 that is a great deal. I don't know too much about Mahle though.

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  3. #2
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    Go with the best Fram Ultra..filters at 20 microns vs 40 microns. Absolute best there is.

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    I invite anyone who thinks Fram filters are the best or even close to to go watch any videos about cutting open filters and seeing how they are built, their pleats, etc. There's a reason Fram is sold at Walmart.

    Mahle is an OEM filter manufacturer for a lot of European cars (BMW, etc). They won't be a bad filter for a Subaru but I don't know if it would be my first choice.

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  6. #4
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    Quote Originally Posted by tja4430 View Post
    Anyone used these on their Crosstreks? Currently $4.77 on Amazon: https://www.amazon.com/Mahle-OC1177-...r=8-1-fkmrnull

    I've been using a PBL-14615 Purolator filter and Pennzoil Platinum Ow-20 Synthetic on my 18 6 SP, and have had no issues, but at $4.77 that is a great deal. I don't know too much about Mahle though.
    For $5.22 you can have the OEM filter: https://smile.amazon.com/gp/product/...KIKX0DER&psc=1

    I don't know the relative quality of Mahle vs OEM, but I do know there'd be no warranty finger-pointing if something went wrong with the OEM filter. Can't necessarily say that about other brands. I think that's worth the extra 45 cents.

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    Using anything but an OEM Subaru filter is trying to out smart Subaru's engineers. I'm not that smart. But I am smart enough to avoid a potential warranty issue.

  8. #6
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    Quote Originally Posted by SubaruBill View Post
    Using anything but an OEM Subaru filter is trying to out smart Subaru's engineers. I'm not that smart. But I am smart enough to avoid a potential warranty issue.
    I dont think that is true at all. Car companies sell branded products to increase profits. Nothing wrong with that, but the quality of aftermarket products often exceed OEM.

    But back to the orig poster. Having said that, I would not use a cheap filter from amazon. Besides, if I used one & said it was great it is meaningless pablum. Buy top quality filters made for synthetic oil. Many out there for $9-$13.
    18' Prem Crosstrek - Ice Silver Metallic
    04' Nissan Titan
    18' Beta 300RR
    11' KTM450
    06' KLR650

  9. #7
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    Here's an example of my concern with using a non-OEM oil filter during the engine warranty period. Say I use a Fram filter and the o-ring gasket fails, causing a oil leak that results in engine damage. I expect that Subaru might say that because the engine damage was caused by the failure of a non-Subaru part, the Subaru engine warranty is null and void. So now my only hope is a claim with Fram. I don't think it's worth the risk of being caught in that position by saving a few bucks on an oil filter or trying to out-smart Subaru engineers by using a "better" aftermarket filter.

  10. #8
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    Quote Originally Posted by SubaruBill View Post
    Here's an example of my concern with using a non-OEM oil filter during the engine warranty period. Say I use a Fram filter and the o-ring gasket fails, causing a oil leak that results in engine damage. I expect that Subaru might say that because the engine damage was caused by the failure of a non-Subaru part, the Subaru engine warranty is null and void. So now my only hope is a claim with Fram. I don't think it's worth the risk of being caught in that position by saving a few bucks on an oil filter or trying to out-smart Subaru engineers by using a "better" aftermarket filter.
    I'm mostly with you on this.

    Although most aftermarket filters are of acceptable quality, some perhaps even better than OEM, and I personally have never had a problem with one, I figure why take the chance? We know the OEM filter is a proper part for that engine and will work correctly. That's reason enough to prefer it, unless the OEM design is proved to be actually deficient, which seems unlikely.

    In oil filter design, the next most important thing after the filtration media itself is the bypass valve. If too much pressure builds up behind a clogged filter, the bypass opens up and lets unfiltered oil pass through rather than starving the engine of oil. Dig into the data sheets for aftermarket filters and you'll find the pressure required to open the valve spring varies considerably. That's the kind of thing I'd expect a warranty dispute to center on.

    I'm not as stringent about always using the OEM filter once the car is out of warranty. But I would never, ever use a Fram. YouTube is full of filter teardown videos, and in every case it's glaringly obvious the Fram filters are deficient designs. I'm really surprised they don't all just self-destruct and pump the engines full of paper shreds. I'd use a Wix/Napa filter if I were choosing an aftermarket brand.

  11. #9
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    Quote Originally Posted by SubaruBill View Post
    Using anything but an OEM Subaru filter is trying to out smart Subaru's engineers. I'm not that smart. But I am smart enough to avoid a potential warranty issue.
    The engineers yes... but the bean counters no.

    If you talk to people in most R&D departmernts, you'll find that they are some bright people in there that know almost everything about anything they have worked on. The problem is once the design leaves the R&D department and goes into manufacturing, the process of cutting the raw cost to build the product starts. They start tinkering with the R&D departments design (with some level of consultation mind you) in order to increase the repeatability of the design in manufacturing as well as reduce the cost so that the product can meet the desired price point while keeping reasonable reliability. When that starts to happen, they start making compromises with the original design resulting in something that more aligns to the goals of the product as well as the price point desired. Some of those changes are good for the consumer while others is not so much.

    We, as consumers, like to think that those goals are aligned with our goals but sometimes they aren't.

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    Quote Originally Posted by JustSubn View Post
    I invite anyone who thinks Fram filters are the best or even close to to go watch any videos about cutting open filters and seeing how they are built, their pleats, etc. There's a reason Fram is sold at Walmart.

    Mahle is an OEM filter manufacturer for a lot of European cars (BMW, etc). They won't be a bad filter for a Subaru but I don't know if it would be my first choice.
    Frams have always gotten a bad rap..yet their failure with even the composite endcaps was always acceptable.
    But again..use what you want. My research is from the viewpoint of a Lubrication/Maintenance engineer. Just trying to help others. The Ultra is the Absolute best.
    https://www.fram.com/products/consum...ic-oil-filter/

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