Frequently Asked Questions

CapLok Fuel Shield is an external locking enclosure designed to surround and protect the fuel-cap access point on compatible semi-trucks and commercial vehicles. It adds a physical barrier around the exposed fuel cap to help deter unauthorized access.

CapLok Fuel Shield adds a heavy-duty locked barrier around the exposed fuel cap, making the access point harder to reach and more visible as protected. This helps deter opportunistic unauthorized access before it occurs.

CapLok offers Fuel Shield models for Freightliner, Sterling, Western Star (FLNR), Kenworth, International, Mack, Volvo (KWHD), Universal Medium Duty including M2, Hino, and International (UNIV), and Peterbilt (PBTL). Use the compatibility checker to confirm your specific vehicle.

No. CapLok Fuel Shield is an external enclosure that surrounds the existing fuel cap. It does not replace or alter the original fuel cap.

No drilling is required on compatible applications. CapLok Fuel Shield is designed for installation without permanent modification to compatible vehicles.

Installation time varies by vehicle and configuration. CapLok Fuel Shield is designed for practical, fast installation on compatible applications. Contact CapLok for specific installation guidance.

Yes. CapLok Fuel Shield features a weather-resistant design intended to hold up under typical commercial outdoor operating conditions.

Yes — keyed-alike options are exclusively available when ordering direct from CapLok. Authorized dealers carry individual units only. Contact CapLok for fleet pricing and keyed-alike availability.

Yes. Replacement key support is available. Contact CapLok for replacement key ordering information.

No. CapLok Fuel Shield is designed to help deter unauthorized access and add a physical barrier around the fuel cap. No security product can guarantee that theft will never occur.

Use the compatibility checker or contact CapLok directly to submit your vehicle for review. We will assess whether a compatible CapLok Fuel Shield model exists for your application.

Yes. Fleet pricing is available for qualifying volume orders. Contact CapLok or visit the Fleet Solutions page for more information.

Yes. CapLok has a dealer program with wholesale pricing and dealer margins. Visit the Dealers page or contact us to apply.

Compatibility depends on the specific fuel cap design, surrounding clearance, and tank configuration. Use the compatibility checker or contact CapLok directly to submit your vehicle for review.

Yes. CapLok Fuel Shield includes a Lifetime Limited Warranty for the original purchaser covering defects in materials and workmanship. It does not cover intentional damage, misuse, improper installation, unauthorized modifications, theft-attempt damage, accidents, or normal wear.

Eligible CapLok Fuel Shield units may be returned within 30 calendar days of delivery. The unit must meet the conditions listed in the official return policy and include all original parts, keys, hardware, and accessories.

No. Damage caused by forced entry, theft attempts, vandalism, or intentional damage is not covered by the CapLok Fuel Shield Lifetime Limited Warranty.

No. Lost or stolen keys are not covered by the warranty, but replacement key support is available. Contact CapLok for details.