J.C. Whitney JC58140020 Cab Corner Panel Driver Side Crew Cab OEM Replacement 1.2mm Steel

The J.C. Whitney JC58140020 is a driver side (left hand) OEM-replacement cab corner panel designed for 2007–2013 Chevrolet Silverado and GMC Sierra full-size crew cab pickups. This rust repair and body restoration panel replaces the lower rear corner of the cab that is prone to corrosion and road damage over time.

Key Features:

• 1.2mm steel construction for strength and durability comparable to OEM thickness
• Driver side (left hand) fitment — single panel sold individually
• Crew cab specific design for precise panel alignment and fit
• OEM-style replacement panel for a clean, factory-matched appearance
• Designed for welded installation as a direct rust repair patch
• Backed by J.C. Whitney's 1-year, unlimited-mileage warranty

This cab corner panel is an ideal solution for restoring the structural integrity and appearance of trucks affected by lower cab rust-out. The stamped steel construction ensures proper contour matching to the original body lines of the 2007–2013 Silverado and Sierra platform.