Basil seeds have much higher fiber than flax, and a bit higher than chia. I'm not aware of anything this easy to add that is as high in fiber. Basil has no net carbs, all fiber. Each tbsp:
Flax 2
Chia 5
Basil 7
The Rock Auto isn't a Ford part and there is three different sizes. I believe it is a universal part.
https://www.rockauto.com/en/moreinfo.php?pk=2848932&pt=1000334&jsn=510&jsn=510
$12.99 shipping to my house.