Cadillac CT4 Gloss Black Blade Spoiler Kit

GM Part #84503543

Upgrade your 2020–2026 Cadillac CT4 with this Genuine GM Blade Spoiler Kit in Gloss Black. Designed specifically for the CT4, this factory accessory adds a clean, performance-inspired rear appearance while maintaining proper OEM fit, finish, and durability.

This is a painted Gloss Black spoiler, not carbon fiber. The kit includes the spoiler, required mounting hardware, and installation template for a complete factory-style installation.

Features

✔ Genuine GM Part: Factory-designed specifically for the Cadillac CT4
✔ Gloss Black Finish: Painted black finish for a clean, aggressive factory appearance
✔ Not Carbon Fiber: This spoiler is Gloss Black and does not feature a carbon-fiber finish or construction
✔ Complete Spoiler Kit: Includes spoiler, required mounting hardware, and installation template
✔ OEM Fit & Finish: Engineered by GM for proper fitment and durability
✔ Vehicle-Specific Design: Follows the factory body lines for a clean installed appearance
✔ Free Installation Guide: Included for professional installation assistance

Vehicle Fitment

2020–2026 Cadillac CT4
All Trims

📌 Drilling Required: If your vehicle is not already equipped with a factory spoiler, drilling into the decklid is required for installation.

📌 Professional Installation Recommended: Proper measuring, drilling, sealing, and alignment are important for correct installation.

⚠️ Oversized Painted Part: Due to the size and painted finish of this spoiler, this item is non-refundable and cannot be returned.