GMC Thunderstorm Gray | GNO / 633D | 2019-2025 | OEM Basecoat

THUNDERSTORM GRAY | TAMCO PAINT BASECOAT

Our Tamco Paint Basecoat is a 1:1 Mix ratio with our HR-13XX Series Reducer.

Gallon & Quart Variants are Unreduced and need reduced 1:1 with our HR-13XX Series Reducer

4oz Variants are Pre-Reduced with our HR-13XX Series Reducer so it is Ready-To-Spray

OEM Make: GMC

OEM COLOR CODE: GNO / 633D

FOUND ON: 2019 Chevrolet Bolt, 2019 Chevrolet, 2019 GM, 2020 Chevrolet Bolt, 2020 Chevrolet, 2020 GM, 2021 Chevrolet Bolt, 2021 Chevrolet, 2021 GM, 2023 GM, 2023 Hummer, 2024 Chevrolet, 2024 Chevrolet Chevy Truck, 2024 Chevrolet Silverado, 2024 GM, 2024 GMC, 2024 GMC Sierra, 2024 Hummer, 2025 Chevrolet, 2025 Chevrolet Chevy Truck, 2025 Chevrolet Silverado, 2025 GM, 2025 GMC Sierra, 2025 Hummer

TYPE OF COLOR: 2 Stage 

ALSO NAMED AS: Slate Gray, Meteorite

*DISCLAIMER : Our OEM paint is recommended for overall paint applications only. We do NOT GUARANTEE a perfect match to existing OEM paint.

The smallest amount of OEM paint we can make is 1 Quart kit*

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Color Reference

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