Modify price components from Commerce Shipping without altering the module itself
If I get you correctly, you want to alter the order in where this components are displayed in the checkout process.

What I've done for minor tweaks on this area is using a preprocess of the components theme function, for example:

function mymodule_preprocess_commerce_price_formatted_components(&amp;$variables) {
}


There you've got $variables and all the components, including the shipping ones so you can tweak some things of the display.