The interior system on the 2020-2024 Sierra 3500HD is not complicated, but it is easy to spend money in the wrong place on it. This is the version we give people at the counter.
What You Will Notice First
- A console lid hinge that has cracked at the pivot
- A sun visor that will not stay up
- Carpet that stays damp under a worn factory mat
None of these are emergencies on day one. All of them get more expensive if you sit on them.
The Parts Involved
- Floor liners.
- Carpet floor mats.
- Console lids.
- Seat covers.
- Shift knobs.
- Sun visors.
- Door sill plates.
- Cargo organizers.
Why the Factory Part Matters Here
- GM Accessories liners are laser-measured to the specific floor pan and retain the factory anchor posts, which is a safety item.
- Genuine trim matches grain and color code, which universal parts never quite do.
Service Interval
Not scheduled. Replace on wear.
Ordering Notes
Interior color code matters as much as the model year. It is on the SPID label in the glove box or console. On the Sierra 3500HD specifically, trim and package content is the thing that trips people up.
Everything here is available as a genuine GM part through our GMC OEM parts catalog. If you would rather search directly, search for floor liners.
Where to Buy
- Genuine GMC OEM parts
- Floor Liners
- Carpet Floor Mats
- Console Lids
- Seat Covers
- Wholesale account setup



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