SKU #: DMAX-BDC-1119 MPN #: DMAX-BDC-1119

DMAXStore Billet DEF Cap 11-19 GM 6.6L Duramax LML/L5P

$42.99
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Description
Upgrade the factory plastic DEF cap on your Duramax with the DMAXStore Billet DEF Cap. Designed specifically for 2011-2019 Chevy Silverado and GMC Sierra 2500HD and 3500HD trucks with the 6.6L Duramax LML and L5P engines, this premium replacement combines durable billet aluminum construction with functional features for everyday use. Machined from 6061-T6 aluminum and finished with blue anodizing, the DMAXStore DEF cap provides a durable, corrosion-resistant replacement for the factory cap. A built-in magnet gives you a convenient place to store the cap during DEF fill-ups, helping keep it off dirty surfaces and within easy reach when you're ready to reinstall it. Billet Aluminum Construction The DMAXStore Billet DEF Cap is built from 6061-T6 aluminum for increased strength and long-term durability. The blue anodized finish helps protect the aluminum from corrosion while adding a clean, finished appearance to the engine bay.

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Upgrade the factory plastic DEF cap on your Duramax with the DMAXStore Billet DEF Cap. Designed specifically for 2011-2019 Chevy Silverado and GMC Sierra 2500HD and 3500HD trucks with the 6.6L Duramax LML and L5P engines, this premium replacement combines durable billet aluminum construction with functional features for everyday use.

Machined from 6061-T6 aluminum and finished with blue anodizing, the DMAXStore DEF cap provides a durable, corrosion-resistant replacement for the factory cap. A built-in magnet gives you a convenient place to store the cap during DEF fill-ups, helping keep it off dirty surfaces and within easy reach when you're ready to reinstall it.

Billet Aluminum Construction

The DMAXStore Billet DEF Cap is built from 6061-T6 aluminum for increased strength and long-term durability. The blue anodized finish helps protect the aluminum from corrosion while adding a clean, finished appearance to the engine bay.

Vehicle Fitment
2011 - 2019 GM 6.6L Duramax LML/L5P
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

FEATURES & BENEFITS:

  • 6061-T6 Billet Aluminum: Durable aluminum construction provides a strong upgrade over the factory plastic cap.
  • Blue Anodized Finish: Helps protect the aluminum from corrosion while providing a distinctive appearance.
  • Built-In Magnet: Conveniently stores the cap under the hood during DEF fill-ups.
  • Viton O-Ring: Includes a chemical-resistant Viton O-ring for a reliable seal.
  • Direct Replacement: Designed specifically for the factory DEF fill location on compatible Duramax trucks.
  • Made in the USA: Manufactured in the United States.
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.