GCX(R) uses RS200TM zinc-aluminum coating for optimal corrosion resistance. The robotically applied coating is a market leader in corrosion resistance, achieving over 200 hours of salt spray corrosion testing.

This Part Fits:

Year	Make	Model	Submodel
2020-2024	Chevrolet	Silverado 2500 HD	Custom
2015-2024	Chevrolet	Silverado 2500 HD	High Country
2011-2024	Chevrolet	Silverado 2500 HD	LT
2011-2024	Chevrolet	Silverado 2500 HD	LTZ
2011-2024	Chevrolet	Silverado 2500 HD	WT
2024	Chevrolet	Silverado 2500 HD	ZR2
2015-2024	Chevrolet	Silverado 3500 HD	High Country
2011-2024	Chevrolet	Silverado 3500 HD	LT
2011-2024	Chevrolet	Silverado 3500 HD	LTZ
2011-2024	Chevrolet	Silverado 3500 HD	WT
2016-2019	Chevrolet	Suburban 3500 HD	LS
2016-2019	Chevrolet	Suburban 3500 HD	LT
2020-2024	GMC	Sierra 2500 HD	AT4
2024	GMC	Sierra 2500 HD	AT4X
2015-2021	GMC	Sierra 2500 HD	Base
2011-2024	GMC	Sierra 2500 HD	Denali
2024	GMC	Sierra 2500 HD	Denali Ultimate
2022-2024	GMC	Sierra 2500 HD	Pro
2011-2024	GMC	Sierra 2500 HD	SLE
2011-2024	GMC	Sierra 2500 HD	SLT
2011-2014	GMC	Sierra 2500 HD	WT
2020-2024	GMC	Sierra 3500 HD	AT4
2015-2021	GMC	Sierra 3500 HD	Base
2011-2024	GMC	Sierra 3500 HD	Denali
2024	GMC	Sierra 3500 HD	Denali Ultimate
2022-2024	GMC	Sierra 3500 HD	Pro
2011-2024	GMC	Sierra 3500 HD	SLE
2011-2024	GMC	Sierra 3500 HD	SLT
2011-2014	GMC	Sierra 3500 HD	WT