Fits 2024 - 2026 FORD Superduty trucks with the Powerstroke Diesel engines with diesel pipes as pictured (painted black inside).
 
This is NOT compatible with the F150s or earlier model year trucks.
 
Some customers report difficulty operating the caps. Please call customer service in case this happens to you.
 
Get a deal by buying both a Loc-Sure and a Spin-Loc at the same time! Each combo purchase comes with the Loc-Sure cap, the Spin-Loc cap and one pair of Secure Keys with complimentary stainless steel key ring. Both caps have natural venting. Additional keys can be purchased using the information from our Secure Keys page.