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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.

Loc-Sure/Spin-Loc Combo for 2024-26 FORD Diesel

Rating is 5.0 out of five stars based on 1 review
$170.00Price
Quantity

    Reviews

    Rated 5 out of 5 stars.
    Based on 1 review
    1 review
  • F 350Dec 20, 2025
    Rated 5 out of 5 stars.
    Verified
    Happy with this purchase

    Exactly what I was expecting and the Loc-Sure/Spin-Loc worked as advertised. With a 50 gallons of fuel capacity its' worth the little extra protection.

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