GMC Sierra 3500 HD (3rd gen, 2015–2019) — choose year
GMC Sierra 3500 HD 3rd gen — select a year for factory specs, brake and fluid guides, and upgrade-friendly maintenance references.
2015
2015 GMC Sierra 3500 HD (3rd gen) — manual downloads and performance-minded service guides.
2016
2016 GMC Sierra 3500 HD (3rd gen) — manual downloads and performance-minded service guides.
2017
2017 GMC Sierra 3500 HD (3rd gen) — manual downloads and performance-minded service guides.
2018
2018 GMC Sierra 3500 HD (3rd gen) — manual downloads and performance-minded service guides.
2019
2019 GMC Sierra 3500 HD (3rd gen) — manual downloads and performance-minded service guides.