2020 GMC Sierra 3500 HD control modules & parts

214 refurbished parts are available for the 2020 GMC Sierra 3500 HD. Each listing shows the exact vehicles and engines it fits; match the part number on your original unit before ordering.

Engines: 6.6L V8 – Diesel, 6.6L V8 – Gas

Other GMC Sierra 3500 HD years

• 2024
• 2023
• 2022
• 2021
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007