Keystone Truck Cab Corner
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Keystone RRP1292 Outer Cab Corner Extension Panel Right Side 27.5x17.5 Super Cab
Keystone RRP1291 Outer Cab Corner Extension Panel Left Hand Driver Side
Keystone RRP665 Cab Corner Patch Panel Driver Side LH 5.75 x 14.5 Inch
Keystone RRP231 Cab Corner Driver Side Super King Cab Steel Replacement Panel
Keystone RRP110 Slip-On Cab Corner Driver Side for 2-Door Regular Cab Trucks
Keystone RRP1412 Cab Corner Right Side Ford Ranger Super Cab Extension Panel
Keystone GMK4142485602R Passenger Side Truck Cab Corner Repair Patch Steel
Keystone GMK4142485602L Driver Side Truck Cab Corner Repair Patch Steel Panel
Keystone GMK4144490732 Goodmark Cab Corner Patch Panel Passenger Side Steel EDP
Keystone Truck Cab Corner Panels: Trusted Aftermarket Collision Repair
When rust, impact damage, or years of road exposure take a toll on the lower rear corners of a truck cab, a quality replacement cab corner panel is essential for restoring both structural integrity and appearance. Keystone has been one of the most recognized names in aftermarket collision replacement parts for decades, and their truck cab corner lineup reflects the same commitment to fit, finish, and value that body shops and DIY repairers have come to expect from the brand.
Why Keystone Stands Out in the Cab Corner Category
Keystone Automotive Industries, a subsidiary of LKQ Corporation, holds the distinction of being the United States' largest aftermarket auto parts supplier. As an ISO 9001-compliant distributor, Keystone delivers a high-quality, cost-effective alternative to new OEM replacement parts for a wide range of vehicles — a standard that carries directly into their sheet metal and body panel offerings, including truck cab corners.
Keystone's cab corner panels are manufactured to OEM-equivalent specifications, meaning they are engineered to match the contours, gauge, and mounting points of the original panels they replace. This precise fitment matters enormously in cab corner repair, where improper fit can complicate welding, leave visible gaps, or compromise the truck's finished appearance after paint.
A key differentiator in Keystone's product quality program is the Platinum Plus Quality Assurance Program. Platinum Plus suppliers must meet requirements based on current ISO 9001 standards — similar to what OEMs require of their own suppliers — and parts undergo both third-party validation and internal testing to ensure all guidelines are met. Shoppers can look for Platinum Plus-designated parts in the catalog for added confidence in their purchase.
What Are Truck Cab Corners and Why Do They Need Replacing?
The cab corner is the sheet metal panel located at the lower rear corner of a truck's cab, just above the rear wheel well. This area is particularly vulnerable to rust and corrosion because it collects road salt, moisture, and debris thrown up by the rear tires. On older trucks especially, cab corners are among the first body panels to show significant rust-through — making them a frequent target for collision repair professionals and truck restoration enthusiasts alike.
Replacing a cab corner with a properly fitted aftermarket panel from a trusted supplier like Keystone allows owners to restore the cab's look and seal out further moisture intrusion without the cost of full cab replacement or OEM-priced panels.
Broad Vehicle Coverage
Keystone's truck cab corner selection spans a variety of popular domestic truck makes and models, making it practical for body shops working across multiple vehicle lines as well as truck owners tackling a specific restoration project. Whether dealing with a well-worn work truck or a collector-grade pickup, the goal is the same: a panel that fits right, welds cleanly, and finishes like the original.
Explore the complete Keystone brand catalog for additional collision and body replacement parts, or browse all available truck cab corner panels to find the right fit for your vehicle.