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Thread: OEM Mopar Factory Rustproofing

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    rsl0311usmc's Avatar

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    OEM Mopar Factory Rustproofing

    Just curious how many members used Mopar factory rustproofing years ago.

    I don't know if they still offer it, but on my carfax when I got this truck, it was done in 2016 from the factory, I believe.

    There isn't a spec of rust on this truck with just over 100k on the clock.

    I am very impressed with it and highly recommend it if they still offer it.

    If not, I added Amsoil heavy-duty metal protector over it, and that stuff seems good too.

    The cans go a long way, and three cans did my underside.

    The only thing kind of annoying with the Amsoil is it can attract a little dirt as I live on a dirt road.

    I will attach some pics of when I did my exhaust to see them underneath.

    Now the brown color stuff on the body is the Amsoil product.

    By far, the factory rust stuff from Mopar is incredible.

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    CrazyTrain's Avatar

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    Re: OEM Mopar Factory Rustproofing

    My go-to is a fluid film and wool wax.

    A soil is a good stuff.

    I would never use a complex undercoating product, only the stuff that can creep into crevices.

    2021 Ram 3500 DRW, H.O., bypass oil filtration, bypass coolant filtration, S&B CAI, 4:10’s
    2wd low loc kit.

  4. Top Of Page | #3
    rsl0311usmc's Avatar

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    Re: OEM Mopar Factory Rustproofing

    Yeah, I never realized how well any undercarriage treatments worked until I got this truck.

    How long do you think the Amsoil stuff lasts?

    Wondering if I should make it a yearly thing for added protection.


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  6. Top Of Page | #4
    CrazyTrain's Avatar

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    Re: OEM Mopar Factory Rustproofing

    Quote Originally Posted by rsl0311usmc View Post
    Yeah, I never realized how well any undercarriage treatments worked until I got this truck.

    How long do you think the Amsoil stuff lasts?

    Wondering if I should make it a yearly thing for added protection.
    Yearly if blasted by spray from tires and such.

    Interior of panels is usually good with 1 thorough treatment with touch ups on exposed metal yearly.

    Again, I recommend for and wool wax as they end up cheaper if bought in bulk, plus you’ll have it to do other vehicles.

    2021 Ram 3500 DRW, H.O., bypass oil filtration, bypass coolant filtration, S&B CAI, 4:10’s
    2wd low loc kit.

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