This Seal is for the Locking Rear Diff. Axles. These have a Solenoid that acticates from 1-WD to 2-WD for both the HiSun and ODES 800 and 1000. Odes does not show a Part # for this seal.
This Rear Diff Axle Seal fit Both HiSun and Odes Rear Diffs that have no locking device.
Make sure to check the Vent Tube for blockage and Add the Vent Boot Air Bag to allow expansion and no water in or oil out. https://motorcycledoctor.com/product/diff-vent-air-bag-accordion-boot/