SKU #: DMAX-BFC-6.6LOCK MPN #: DMAX-BFC-6.6LOCK

DmaxStore Billet Locking Fuel Cap 01-26 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P

$79.99
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Description
Protect your diesel fuel while upgrading your truck's look with the DmaxStore Billet Locking Fuel Cap. Designed to thread directly into the factory filler neck, this cap provides a secure locking solution for GM 2500HD/3500HD trucks. It is especially useful for flatbed and service-body trucks where the fuel filler is exposed, helping deter fuel theft while keeping the filler securely covered. The locking design also adds an extra layer of protection against unwanted access to your fuel tank without sacrificing a clean, upgraded appearance. Machined from T6 6061 billet aluminum, the cap is built for durability and finished with a green anodized coating for corrosion resistance and a distinctive look. A secure locking mechanism keeps the cap in place, while the kit includes two uniquely keyed keys for convenient access. The cap is designed as a direct-fit replacement for the factory filler cap and requires no modifications to the filler neck.

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Protect your diesel fuel while upgrading your truck's look with the DmaxStore Billet Locking Fuel Cap. Designed to thread directly into the factory filler neck, this cap provides a secure locking solution for GM 2500HD/3500HD trucks. It is especially useful for flatbed and service-body trucks where the fuel filler is exposed, helping deter fuel theft while keeping the filler securely covered. The locking design also adds an extra layer of protection against unwanted access to your fuel tank without sacrificing a clean, upgraded appearance.

Machined from T6 6061 billet aluminum, the cap is built for durability and finished with a green anodized coating for corrosion resistance and a distinctive look. A secure locking mechanism keeps the cap in place, while the kit includes two uniquely keyed keys for convenient access. The cap is designed as a direct-fit replacement for the factory filler cap and requires no modifications to the filler neck.

Vehicle Fitment
2001-2026 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
About DMAXStore

DmaxStore is dedicated to one thing: helping GMC and Chevy Duramax diesel owners get the most out of their trucks. Since 2007, DmaxStore has built its reputation around Duramax-specific parts, performance upgrades, replacement components, and technical knowledge for diesel truck enthusiasts.

Rather than trying to cover every make and model, DmaxStore focuses specifically on the Duramax platform. That specialization allows the company to carefully select products for their quality, performance, fitment, and value while providing customers with knowledgeable support when choosing parts for their trucks.

Duramax Parts From People Who Know Duramax Trucks

DmaxStore was founded after its owner spent seven years working for one of the largest GM dealers in the United States, where he earned the GM Mark of Excellence award. That experience helped establish the foundation for a business centered entirely around the GMC and Chevy Duramax diesel community.

Today, DmaxStore offers parts and upgrades covering a wide range of Duramax applications, from the original LB7 through the latest generations of the L5P, along with Duramax-powered Colorado and Canyon applications. Their product selection includes everything from maintenance and replacement parts to fuel-system upgrades, suspension components, drivetrain parts, steering upgrades, engine performance products, and more.

Performance, Replacement & Upgrade Parts

Whether you're maintaining a high-mileage Duramax, restoring an older Silverado or Sierra, or building a truck for increased performance, DmaxStore offers products designed around the needs of diesel truck owners.