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  • Firewall Mounted Oil Filter

    My truck is a P318 and has a spin on oil filter.

    There was also a canister filter that uses the replaceable cartridge on the firewall which I removed today since the lines were dangling and not hooked up.

    According to the shop manual, the V8s had the spin-ons and the 6 cyl had the canister filter.

    My VIN indicates my truck was indeed equipped with the 318, yet the presence of this filter perplexes me.

    Any thoughts?

  • #2
    There are several after-market filter systems that have been available over the years. Amzoil is has one that comes to mind. As I recall, they were a by-pass system, similar to those used on the 230 and 251 powered 1 ton civilian trucks. They were designed to help remove more of the finer contaminates that the spin-on full flow filters miss.

    I use both filtration systems on all my engine builds.

    CD
    1949 B-1 PW (Gus)
    1955 C-3 PW (Woodrow)
    2001 Dodge 2500 (Dish...formerly Maney's Mopar)
    1978 Suzuki GS1000EC (fulfills the need...the need for speed)
    1954 Ford 860 tractor
    1966 Chrysler LS 16 sailboat (as yet un-named)
    UVA UVAM VIVENDO VARIA FITS

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    • #3


      I have a 1960 W300, Poly 318 V8, with the oil filter on the firewall. I thought the spin-on adapter was an aftermarket part.
      Joe Cimoch
      http://www.dodgepowerwagon.com/

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      • #4
        Thanks Joe. That looks EXACTLY like mine, off kilter mounting and all.

        Appreciate the reply.

        Comment


        • #5
          Can a guy still get an adaptor to replace the engine mounted cartridge style filter with a spin on filter? I just changed the oil in my 63 Townwagon 318 poly engine tonight and I would like to have a spin on style. If so where can a guy get an adaptor?

          Comment


          • #6
            Search for Fram K21, prices vary.

            (From T137 archives)
            Here are some part numbers to get individual parts :

            Adapter Plate # 3671602

            Gasket # 3671314, or they may have changed the gasket number to 489739AA

            Threaded Adapter fitting # 2402103

            Take the canister off, install the gasket, then the plate, and screw in the adapter fitting to the plate, then a spin on filter will fit. (The filter is a Fram PH8-A).
            Joe Cimoch
            http://www.dodgepowerwagon.com/

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            • #7
              Thank you. That helps.

              Comment


              • #8
                Originally posted by Sparman View Post
                Thanks Joe. That looks EXACTLY like mine, off kilter mounting and all.

                Appreciate the reply.
                So that is a stock filter canister? I wonder why it would be mounted in such a manner...

                CD
                1949 B-1 PW (Gus)
                1955 C-3 PW (Woodrow)
                2001 Dodge 2500 (Dish...formerly Maney's Mopar)
                1978 Suzuki GS1000EC (fulfills the need...the need for speed)
                1954 Ford 860 tractor
                1966 Chrysler LS 16 sailboat (as yet un-named)
                UVA UVAM VIVENDO VARIA FITS

                Comment


                • #9
                  I have seen several Power Giants with that same filter housing and location. I believe them to be stock units. Why they are mounted at that angle I do not know.
                  1967 W200.aka.Hank
                  1946 WDX.aka.Shorty
                  2012 Ram 2500 PowerWagon.aka Ollie

                  Life is easier in a lower gear.

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                  • #10
                    oil filter

                    Another place to get a spin on adapter is Hot Heads

                    Comment


                    • #11
                      They are definitely stock units. My 58 W300 and the Power Giant parts trucks I have all have that same can, or quite similar at least. About two years ago I replaced the one on my W300 with a remote mount spin on filter in the same location because the proper filter cartridge was no longer available... at least not anywhere that I could find. I do like the remote mount on the firewall, I find it more convenient to change than a block mounted filter, especially considering how high the W300 sits.

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