Oil filter part numbers differ according to which brand your use. But in the case of the most widely known brand, Ryco, the engine in your Great Wall will use an oil filter with part number Z516. If you use an AC Delco oil filter, the part number is AC084. Other brands can be cross-referenced (with the part numbers listed above) online at a variety of websites or in the parts manuals kept by automotive parts stores.

It could be that the clutch is worn-out and needs to be replaced.

It’s telling you there is a problem with the engine, and the loss of power is most likely because it’s going into limp home mode. You need to get it to a mechanic and have a diagnostic check carried out.