These parts should be suitable for the 2.0 liter GDI engine of the 2019 model.
Engine Oil (aftermarket)

If you are looking for just replacement aftermarket Oil that meets the Ford standard of API SN PLUS Certified SAE 5W-20 Full Synthetic Engine Oil. Castrol Edge $22 USD for 5 liter bottle on Amazon.com with free Prime shipping. Also available locally from places like Walmart, Pepboys and O’Reilly’s.
Engine Oil Filter (OEM)
If you are going to buy your oil and filter separately, but want to get the original OEM oil filter, it is Ford Motorcraft Part Number FL910S. The part includes the filter and new o-ring. You can get one for only about $4 here on Amazon.com. There are other aftermarket ones, but I can’t see why to bother at this price.
Engine Oil Filter (Aftermarket)
A really high quality aftermarket Oil Filter will be the WixXP part number 51348XP. You can get one for about $11 here on Amazon.com. You can also source this locally at O’Reilly’s auto parts if needed.
Oil Drain Plug
Ford OEM Oil Drain Plug for reference (click here)
Engine Air Filter (aftermarket)

Ford Part Number: KV6Z9601A. Used aftermarket WiX Air Filter WA10832. Available for about $24 from O’Reilly’s auto parts locally. Another good option would be a PurolatorONE p/n A31432 available for about $19 on Amazon.com.
Cabin Pollen Filter (aftermarket)

I’ve been partial to upgrading to a better cabin filter for less money. The official Ford OEM Cabin Filter is an FP70 (19N619). The ATP automotive Carbon Activated Premium Cabin Air Filter part number FA20 is an activated charcoal filter to filter out odors as well. Available for about $22 USD from Amazon with free prime shipping (here)
Brake Fluid

It requires DOT4 brake fluid that meets Ford Spec WSS-M6C65-A2. Prestone DOT4 or Castrol DOT4 Full Synthetic Brake fluid is appropriate. Less than $10 USD for a 1 quart bottle (which should be enough for a full fluid flush).