I purchased an OEM Hyundai filter today at the dealership. Price is $8.00 CDN. I was surprised to see that the anti-drainback valve is what now looks to be orange silicone rather than black rubber. I have attached a few photos of a filter from a couple years back and the one I purchased today. The part number has changed slightly: 26300-35502 to 26300-35503. These filters are so good, I'm going to start using them on my Honda.