Question regarding OEM vs Aftermarket Oil Filter

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by speedstickman, Sep 26, 2023.

  1. speedstickman

    speedstickman Bobtail Member

    Jul 10, 2012
    Hopefully someone can enlighten me, I feel a bit confused about this matter... I have some people telling me using aftermarket oil filters provided at PM service places (TA, Loves, etc) is completely fine. I have some other people telling me that I should buy OEM oil filters on my own and have them use that instead of their own...

    Just wanted to see what actual semi truck mechanics/professionals thought on this issue. This would be for a 2023 Freightliner Cascadia with a DD15 and about 90k miles on it. Also, would your answer also apply to the other filters? (fuel, air, fuel/water separator). The truck is mainly used for long haul OTR, mostly highway travel

    Forgive my ignorance, and thanks in advance for any guidance.
    Oxbow Thanks this.
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  3. JB7

    JB7 Medium Load Member

    Dec 13, 2022
    You know what opinions are like. ..., everyone has one.
    Aftermarket filters won't void any warranty. There are numerous stories from shop owners who will tell you, and I have seen it firsthand, how aftermarket parts caused problems, including filters. They won't cause problems 100% of the time but the honest ones who care about quality (and not comebacks due to parts) will tell you to use OEM. Too many times I tried to go cheap and/or aftermarket I got burned. Some learn the hard way. There are limited exceptions where one can determine who the OEM manufacturer is and buy the part from them. It just won't say Freightliner or DD or Toyota on the box but the part is identical.
    Oxbow Thanks this.
  4. Goodysnap

    Goodysnap Road Train Member

    Jul 12, 2017
    I would highly advise using OEM filters at least until your engine warranty is up. I have seen aftermarket and incorrectly installed filters cause serious engine wear/ damage not covered by warranty.

    Air filters and oil filters are the biggest offenders. Occasionally fuel filters if the incorrect part is used for the application.
    BoxCarKidd, Oxbow, Diesel Dave and 3 others Thank this.
  5. Animosus

    Animosus Medium Load Member

    Dec 7, 2015
    SE Wyoming
    It's cheaper to run OEM filters in the long run. Save a penny lose a dollar.
    Oxbow Thanks this.
  6. Big Road Skateboard

    Big Road Skateboard Road Train Member

    May 2, 2021
    It's all a write off, so there's that. IMO, there isn't a difference in good quality filters. I'm talking Baldwin, Fleetguard, Donaldson, or OEM. Those listed above make OEM filters. Any others, IDK.
    Oxbow and blairandgretchen Thank this.
  7. AModelCat

    AModelCat Road Train Member

    Jul 7, 2015
    I would run OEM while under warranty. Its just less headaches dealing with warranty if there's a major failure.
  8. Movingismylifeilovemoving

    Movingismylifeilovemoving Light Load Member

    Aug 5, 2015
    I think he is talking "fleetguard" vs "baldwin" or something like that.

    I got an isx and I'd prefer fleetgaurd. During the crunch of the parts shortage, I could care less and had no anxiety of running balwin
  9. Arctic_fox

    Arctic_fox Experienced mx13 execrator

    Sep 16, 2016
    My view is oems design an engine to X spec. Thus the parts they use need to meet thst spec within tight tolerances as many other parts could perform diffrently then designed otherwise. As such many OEMs will axe a company that screws with quality for the simple fact they pay well and dont want the backlash or warranty claims.

    Aftermarket filters have few/no oem oversights and there can be HUGE variances in design, quality, flow rates, pressure number of holes and so on. Not to mention the companys they use may decide to cheap out on any number of parts. I think it was K&N for example (feel free to correct me) had a spat where the guys they used were selling K&N branded empty cans and destroying engines.

    Dont get me wrong, a crap filter is better then no filter if for example we have another parts shortage where its crap or nothing at all. But barring that edge case. Is gambleing with a 20k+ rebuild or worse an entire engine really worth the $50 you saved? Especially if you lose?

    Oh p.s also if you have your own filters then if something happens you have spares. I know there have been a few times i was sure glad to have then when my fuel gelled or in one memorable case a rock punched a hole clean through the one on my ram. Plus if they are out you have them with you already. Also heard horror storys where a shop reused filters when they ran out just to sell an oil change.
    blairandgretchen Thanks this.
  10. Movingismylifeilovemoving

    Movingismylifeilovemoving Light Load Member

    Aug 5, 2015
    For the record. I always have at least fuel filters with me. Fleetgaurd. As soon as I got surplus I was giving my buddies my Baldwins. LOL.

    I keep oil filters too. I've only been out here 10 years and both have been necessary.

    Keep an extra belt too, or at least the old one.

    Don't get me started on coolant hoses.

    All this stuff is super important. When you need it.

    I'm on the edge of buying a 20ton bottle jack and an impact
  11. Arctic_fox

    Arctic_fox Experienced mx13 execrator

    Sep 16, 2016
    You may be an ownerop if you keep any or all of the following in your "oh ####" box.

    Air filters
    Fuel filters
    Oil filters
    A bundle of 50 foot lengths of various guage insultated out door wire.
    A tool box
    Tire changeing tools
    Tire patch kits
    A 1 inch air impact
    Spare glad hand ends
    A spare gladhand hose
    A water pump
    Belt pullys
    Pretty much 1 of every gods #### sensor
    A diesel laptops computer and OEM diagnostic program (or pirated yo ho yo ho)
    Spare mirror glass
    JB weld
    A drill
    Duct tape
    Bungie cords
    Drill bits
    An assortment of bolts
    An airabag
    Spare lights both trailer, head and internal
    A ladder
    A rake
    A broom
    A gun
    Pretty much every fluid
    Spare lugs and nuts
    Wheel seals
    Wheel seal changing kit with disposable bucket
    Spare U-Joints
    50 foot coil of air line
    Hand lotion
    A first air kit with all the trimmings
    3 days MREs and water
    A jacket
    A second jacket
    Insulated overalls
    A filter change kit for your APU
    A battery jumper pack
    Baby wipes
    A head gasket kit
    A turbo gasket kit
    A spare ECM
    A spare EGR
    Tow hooks
    Soare bumper mount hardware
    And a can of WD-40

    .....yes there is a story behind every item.
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