21-23 FORD BRONCO FRONT DIFF SKID PLATE. This rugged piece of armor covers the Bronco s front differential differential crossmember and suspension components. This item fits with all models and drivetrain variants of 2021-2023 Bronco except for Bronco Raptor.. Protect your Bronco s most vulnerable undercarriage components with the ICON Impact Front Diff Skid Plate. This rugged piece of armor covers the Bronco s front diff diff crossmember and suspension components. This item fits with all models and drivetrain variants of 2021-2023 Bronco except for Raptor. It is fabricated entirely from 3/16 thick steel plate CNC laser cut and precision brake-formed for a perfect fit. The skid is coated in a durable semi-gloss black powder coat finish.