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Rehash. WC/WD oil filter
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Phil Stier View Drop Down
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Joined: 17 Oct 2009
Location: sussex wi
Points: 81 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Phil Stier Quote  Post ReplyReply Direct Link To This Post Topic: Rehash. WC/WD oil filter
    Posted: 10 Feb 2026 at 10:40pm
Ricks Relics made a video showing how the filter material in the WC/WD filter from NAPA filter is sawdust. What did the original filter use for filtering material? Is anyone making an original filter??
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Don Jr NY View Drop Down
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Joined: 11 Sep 2009
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Points: 376 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Don Jr NY Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 3:41am
The original filters used cotton string as filter media. I always buy Agco filters. Baldwin is also a very reputable brand. 
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Robert Musgrave View Drop Down
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Joined: 11 Sep 2009
Location: SE Wisconsin
Points: 244 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Robert Musgrave Quote  Post ReplyReply Direct Link To This Post Posted: 15 hours 12 minutes ago at 1:50pm
My dad always called the filtering media "Excelsior" wadded up cotton; similar to packing in early railroad car bearing journals that required lubrication.  R. Musgrave
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DSeries4 View Drop Down
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7601 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DSeries4 Quote  Post ReplyReply Direct Link To This Post Posted: 13 hours 37 minutes ago at 3:25pm
From Google:

Pleated paper oil filters were introduced in1946 by the Purolator company. While the first automotive oil filtration system (using cloth) was invented by Ernest Sweetland and George H. Greenhalgh in 1923, the industry shifted to pleated paper elements for better efficiency following World War II. 
Key details regarding the evolution of paper oil filters:
  • The Switch to Paper: In 1946, Purolator introduced the pleated paper oil filter, moving away from the earlier cloth-based, or "twill-weave" cloth, filtration methods.
  • Adoption: While paper elements arrived in the 1940s, they became widely mainstream for passenger vehicles in the 1950s.
  • Further Innovation: In 1954, Wix Filters patented the "spin-on" oil filter, which refined the application of these paper elements.
  • Later Developments: By the 1960s, disposable, pleated, and vertical, pleated paper filters became the industry standard. 
'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 90018 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 30 minutes ago at 4:32pm
20 years ago WIX / NAPA had a problme with the filters being PAPER instead of COTTON... That was later fixed.. OK today... Where did you get the SAWDUST story ?  I have not heard that yet ??
Like them all, but love the "B"s.
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PaulB View Drop Down
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Joined: 12 Sep 2009
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Points: 5237 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 10 hours 43 minutes ago at 6:19pm
WIX/NAPA packing their filters with sawdust doesn't surprise me at all. 
  Another reason why I NEVR use NAPA products.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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