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Black Caterpillar Oil Filter?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Gilbyson, May 30, 2025.

Page 2 of 2
  1. Jun 1, 2025 #11
    SmallPackage

    SmallPackage Road Train Member

    5,700
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    Dec 20, 2019
    Marion Texas
    0
    Truck parts too. Bendix valves and compressors are being counterfeited right now. The Bendix rep said they are even painted the exact blue color.
     
    SmallPackage, Jun 1, 2025
    SmallPackage, Jun 1, 2025
    #11
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  3. Jun 1, 2025 #12
    BoxCarKidd

    BoxCarKidd Road Train Member

    4,525
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    Aug 26, 2014
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    It has been a couple of years but I was shocked that a Cummins oil pressure sender cost over $200. Just called and ordered it from the dealer. Googled the part number and ordered one on line for about $40. Installed it and life was great the first day. The second day it pegged out over 100 PSI and stayed there.
    The original was just leaking a little oil but the gauge worked correctly. Installed the Cummings sender and it still works well today.
    Both said made in Mexico and looked identical. One was in a Cummins box and the other was in a gook box.
    Man I was working with said " Take the gook sender and put it in the Cummins box and return that" Sorry pail as I am not made that way.
    Did Forest Gump not have some words of wisdom on that? Stupid is as stump does. If it sounds to good to be true it probably is.
     
    BoxCarKidd, Jun 1, 2025
    BoxCarKidd, Jun 1, 2025
    #12
    Feedman, Deere hunter, ElmerFudpucker and 3 others Thank this.
  4. Jun 21, 2025 #13
    Gilbyson

    Gilbyson Bobtail Member

    39
    59
    Apr 26, 2012
    Wyoming
    0
    I just got around to changing the oil. The black filter was on extremely tight. I hammered an 18" long bar through the lower section of the filter. Once the oil drained, I still couldn't turn it by hand. I then pounded on the bar with a hammer. That broke it free after quite a few hammer blows. There wasn't much room to get a good swing. The PO said that he had the oil changed 2 years ago, but I doubt the filter was changed. The oil looked clean. The PO didn't put on many miles.

    The weirdest thing was draining the rearmost rear end. I removed the fill hole plug and 2.5 gallons of milky oil drained out. Another 2.5 gallons drained out the bottom. I'm guessing that the truck didn't drive enough to burn off the condensation. It is a 1995.
     
    Gilbyson, Jun 21, 2025
    Gilbyson, Jun 21, 2025
    #13
  5. Jun 21, 2025 #14
    Deere hunter

    Deere hunter Road Train Member

    2,115
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    Aug 5, 2017
    Shallowater Texas
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    Sounds like it was in a flood!
     
    Deere hunter, Jun 21, 2025
    Deere hunter, Jun 21, 2025
    #14
    Feedman and Gilbyson Thank this.
  7. Jun 22, 2025 #15
    Gilbyson

    Gilbyson Bobtail Member

    39
    59
    Apr 26, 2012
    Wyoming
    0
    The forward rear axle oil wasn't milky or overfilled. There is a wheel seal leak though. If the rear axle was underwater, I would think that the forward axle was also. With the seal leaking, maybe the PO was adding oil regularly to that axle.
     
    Gilbyson, Jun 22, 2025
    Gilbyson, Jun 22, 2025
    #15
    Deere hunter Thanks this.
  8. Jun 22, 2025 #16
    mslashbar

    mslashbar Medium Load Member

    602
    813
    Jul 22, 2009
    elizabeth,co
    0
    Could have a crack in the axle housing letting water in, or through the vent
     
    mslashbar, Jun 22, 2025
    mslashbar, Jun 22, 2025
    #16
    Gilbyson and wore out Thank this.
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