Jetuplusllc Intake Resonator Cover Plate for Chevy/GMC 6.6L LML (2011–2016) — Black Anodized Billet Aluminum

This bolt-on cover plate is formed from black-anodized billet aluminum and supplied with all hardware needed for a straightforward replacement of the factory intake resonator. Designed specifically for 2500HD and 3500HD versions of the Silverado, Sierra, Express, and Savana built between 2011 and 2016, the plate preserves stock fitment while offering a tidy under-hood appearance and robust resistance to road debris and corrosion.

How does this cover plate change my truck’s under-hood appearance?

The Intake Resonator Cover Plate gives the front of the intake assembly a refined, machined look compared to the factory plastic housing. It’s finished in black anodize to resist fading and blends with other aftermarket aluminum components for a cohesive engine-bay aesthetic.

• Billet aluminum construction with CNC precision edges
• Black anodized finish for uniform appearance
• Smooth, low-profile silhouette replaces larger stock resonator housing

Will installation require modifications or special tools?

No cutting or permanent modifications are required; this is a bolt-on replacement that uses the provided hardware. A basic hand tool set and common torque tools are sufficient, and most installers can complete the swap quickly during routine maintenance or while installing other engine-bay accessories.

• Includes all mounting hardware required for installation
• Standard sockets and torque wrench recommended
• Typical install time: under one hour for a mechanically competent DIYer

Which trucks and engines will this cover plate fit?

The cover plate was engineered specifically for the 6.6L LML Duramax diesel found in Chevy and GMC 2500HD and 3500HD models produced from 2011 through 2016. Fitment targets the front intake resonator location and aligns with factory mounting points for those model years.

• 2011–2016 Chevrolet Silverado 2500/3500 6.6L LML
• 2011–2016 GMC Sierra 2500/3500 6.6L LML
• 2011–2016 Chevrolet Express 2500/3500 and GMC Savana 2500/3500 6.6L

What are the materials and durability features of the plate?

Manufactured from solid billet aluminum and CNC-machined for tight tolerances, the plate resists impact and environmental wear better than OEM plastic. The anodized black finish adds corrosion resistance while keeping the surface easy to clean and visually consistent with other anodized components.

• Billet aluminum for structural rigidity and impact resistance
• CNC machining for accurate fit and clean edges
• Black anodize provides corrosion protection and easy maintenance

Who is this for: The Jetuplusllc Intake Resonator Cover Plate is ideal for owners of 2011–2016 Chevy or GMC 6.6L LML Duramax 2500HD/3500HD trucks who want a durable, OEM-fit cosmetic upgrade that simplifies the look of the engine bay without modifying factory systems. It suits DIY installers, professional shops doing cosmetic or engine-bay upgrades, and fleet operators who prefer long-lasting, easy-to-clean components that maintain manufacturer fitment.