Hi,
I recently discovered that at a Toyota dealership, the engine oil (Toyota Taglon X) they provide comes in a 3.5-liter gallon, while in the market, I found the same oil available in 4-liter and 4.2-liter sizes on PakWheels store. Now, I'm confused about which one is the original product. I spoke with a reputable shop, and they assured me that all sizes are original and that the company manufactures them in different quantities. Is that true? Why does Toyota offer oil in different sizes?