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Running Boards And Install Brackets For A 2025 Ford F-150 STX SuperCab  

Updated 04/15/2026 | Published 04/11/2026

Question:

Is this the right fitment for the 2025 F150 STX super cab the one with back wing doors? And what is the correct install kit part number?

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Expert Reply:

Hi Michael!

We definitely have a Westin Sure-Grip running board option for your 2025 Ford F-150 STX SuperCab with those rear-opening doors (also referred to as suicide doors), but the Westin Sure-Grip Running Boards - 6" Wide - Black Aluminum # 27-6125 is actually for an earlier model SuperCab F-150 (specifically the 10th gen, so 1997 to 2004), as well as a few other things. What you are looking for is the following part number (which is a full kit with the install hardware and the 6" wide Sure-Grip running boards):

Westin Sure-Grip Running Boards w/ Custom Installation Kit - 6" Wide - Black Aluminum # 27-6135-2175

We do have the mounting hardware separately with the Westin Custom Mounting Kit # 27-2175 and the running boards separately with the Westin Sure-Grip Step Boards # 27-6135 as well, but it sounds like you may be needing a full kit. And since I am fairly certain your next question will be something along the lines of what the difference is, it's the length.

Westin Sure-Grip Step Boards # 27-6125 - 72" long
Westin Sure-Grip Step Boards # 27-6135 - 79" long

Trucks have gotten bigger and longer, so the # 27-6135 steps are also longer to fill the gap. With how the mounting brackets attach under your truck, I am not 100% sure you can get away with using the shorter running boards, unfortunately.

Did your truck not come with steps from Ford? Or are you wanting to get better ones?

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Sure-Grip Installed F-150
Sure-Grip Installed F-150
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