Skip to main content

By-pass Oil Filter


The SDU-M8 is a by-pass filter suitable for systems of up to 400kw/40 litres of oil. Max input pressure 2-6 bar.

Supplied with 1x SDFC Filter Elements.

Benefits include:

  • Removes microparticles including combustion deposits
  • Removes free and dissolved water contamination
  • Increases system reliability
  • Prevents engine corrosion
  • Reduces component wear
  • Extends oil life and generates CO2 saving
  • Reduces operating costs

Contact Us

    Click to download our latest datasheet or user manuals. Please note that you will need a PDF reader to view the files.

    CARDEV Datasheet

    The SDU-M8 features include:

    • Input pressure 2-6 Bar
    • Up to 99.9% water removed
      (both free and dissolved water)
    • Particle contamination
      (including combustion deposits) removed
    • Oil life can be extended by up to 4 times

    Diesel engines in applications such as:

    • Earth moving machines
    • Forestry equipment
    • Rail maintenance machines
    • Drilling/pilling equipment
    • Marine
    • Gensets
    • Truck and bus fleets

    Flow Rate Through Filter (l/h)**:

    120-240 (Max)
    Dimensions (mm):
    H: 303 W: 239 L: 217


    Inlet: 1/4″ BSP (m)
    Outlet: 1/4″ BSP (m)

    Weight (kg):

    Filter Element Type:
    Standard Fit 1 x SDFC

    Filtration Results

    Water Removed

    Removes free and dissolved water down to <50ppm (0.005%).

    Particles Removed

    100-times magnified, 1 scale mark = 10μm. Oil cleanliness maintained at better than new levels. (Down to 13/11/8 (ISO 4406: 1999) – Class 2 NAS 1638).

    Each SDFC Filter Element Can Remove Up To

    Particle Contamination

    Water Contamination

    icount OS

    Measure cleanliness and moisture levels in oil and fuels with this robust, portable, and easy to use device.

    View Product


    By-pass filter suitable for systems of up to 400 litres. Max feed pressure 350 Bar. Flow rate restricted to 2 l/m.

    View Product

    Service Master Plus

    A rugged, portable device to measure and log pressure, temperature, flow, and speed.

    View Product

    Call us on +44(0)1423 522 911 or email