Fuel's expensive. Don't let thieves get it for free. Lock it down with Caplok™ - because your tank isn't charity.

At CapLok™, we are dedicated to protecting truck owners and fleet operators from the costly and frustrating problem of fuel theft. Our high-quality locking fuel cap covers are specifically designed for semi-trucks and box trucks, providing an essential layer of security against unauthorized fuel siphoning. By safeguarding one of the most valuable resources on the road—fuel—we help businesses reduce losses, improve efficiency, and operate with greater peace of mind.

We believe in innovation, durability, and reliability. Every CapLok™ product is engineered with precision to withstand the toughest conditions, ensuring long-term protection and ease of use. Our mission is not just to sell locks but to provide a trusted security solution that keeps trucks moving and businesses running smoothly. As fuel theft continues to be a growing concern, we remain committed to developing cutting-edge solutions that put control back in the hands of truck owners and fleet managers.