The bolt pattern that connects your tow hooks to the truck frame is what determines the correct bracket kit.
A 3-bolt and 4-bolt pattern options are possible on the Freightliner M2 106 frame so always check before ordering your bracket kit.
Below are graphics showing both bolt patterns (as viewed from underneath) and which bracket kit is correct for the specific application.
3-BOLT PATTERN which uses XG-19FM2106 bracket kit – most common
4-BOLT PATTERN which uses XG-06FM2106 bracket kit – often seen on pre-2006 or RV models i.e. S2RV
If you have any questions or are not sure, you can contact our product specialist team at 515.993.7109 or email your question and photo(s) to firstname.lastname@example.org.