OEM 2019 GMC Sierra 2500 HD Parts
Select The Trim & Engine Of Your Vehicle Below
If you are keeping a heavy duty pickup on the road, the fastest way to get the right part the first time is to start from the exact model year. GMT900 HD through 2014, K2XX HD from 2015 to 2019, and the T1XX HD from 2020.
The 2019 Sierra 2500 HD sits mid-run, which usually means the parts catalog was settled, but option packages and trim still split part numbers within the model year. Heavy duty trucks split on cab and chassis configuration, single versus dual rear wheels, and gas versus diesel, and the catalog will often show several options for the same nominal part.
The parts we ship most for the 2019 GMC Sierra 2500 HD are mirror assemblies, tailgate hardware, EGR coolers, front hub assemblies and leaf springs and shackles. Every part listed here is a genuine GM component with the factory part number, not an aftermarket reproduction. On a heavy duty pickup these are the components that carry load and heat, and they are where an aftermarket substitute costs you the job twice.
The catalog is organized by assembly group rather than by symptom, which trips people up. If you know what failed but not what it is called, give our specialists the symptom and the VIN and they will find the group it lives in.
Send us your VIN before you order and our parts specialists will confirm the exact part number for your vehicle. Orders placed by 3pm Central usually ship the same business day from our Dallas warehouse, which keeps transit times short across most of the country. Cross-shopping a related truck? The 2019 GMC Sierra 1500 is the closest thing in the lineup that year.