ECOTRIC Rocker Panels & Cab Corners for 1999-2007 Chevy Silverado & GMC Sierra — 4-Door Extended Cab

Upgrade the lower body of your Silverado or Sierra

ECOTRIC Rocker Panels and Cab Corners are designed to refresh and protect the vehicle’s lower sides. Built for 4-door extended cab trucks, this slip-on setup aims to restore line continuity while standing up to daily road wear. The kit emphasizes a practical balance of form and function, offering a refreshed look without demanding permanent alterations.

Compatibility and fit are central to this kit. It targets several model years and trims to provide a broad, direct replacement option that blends with the truck’s factory aesthetics. While these panels are engineered for a straightforward slip-on installation, they also address common concerns such as surface damage and curb-side impacts that can affect the lower body over time.

What you get and how it works

• FITMENT — Outer rocker panels and cab corners compatible with 1999-2006 Silverado/Sierra 1500; 2000-2004 Silverado/Sierra 2500; 2001-2006 2500 HD/3500; and 2007 Silverado/Sierra 1500, 2500 HD, 3500 Classic.
• DIRECT REPLACEMENT — Specifically for 4-Door Extended Cab; designed as replacements for the indicated part numbers to restore the vehicle’s exterior lines.

Quality, finish, and protection

• EXCELLENT QUALITY — Made of durable steel to provide strength and toughness for long-term use.
• COATING & DURABILITY — Surface treatment includes galvanization and electrophoresis to resist wear and daily exposure to the elements over time.
• HIDES UNSIGHTLY DAMAGE — Heavy-duty slip-on rocker panels add strength to the lower body, while cab corners help shield the underside from common impacts and scratches.

What’s included and installation notes

• PACKAGE INCLUDED — 2 packages with 2 outer rocker panels and 2 cab corners (Left & Right). Mounting hardware is not included. Slip-on installation with no drilling or adjustments required.

In short, this ECOTRIC kit offers a practical, aftermarket approach to refreshing and reinforcing the lower sides of compatible pickup trucks. It’s about restoring lines, adding protection, and maintaining a clean, solid look as you drive daily or tackle light-duty jobs.