2021 GMC Sierra 3500HD Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 2021 GMC Sierra 3500HD matched to 18-24" wheel diameters and 8-10" widths.
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2021 GMC Sierra 3500HD Wheel Fitment Specs: 18"–24" Rim Sizes, 8"–10" Widths & 6x139.7 PCD
Every aftermarket wheel shown above is pre-filtered for the 2021 GMC Sierra 3500HD. By matching your 2021 GMC Sierra 3500HD lug pattern (6x139.7, 8x180, 5x120), compatible rim diameters (18, 20, 22, and 24 inch), and 8", 8.5", 9", 10" widths against inventory from Fuel Forged, Lexani, ESR Wheels, Savini, Vision, Black Rhino, you can choose custom rims with confidence or build a complete 2021 GMC Sierra 3500HD wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2021 GMC Sierra 3500HD |
| Bolt Pattern (PCD) | 6x139.7, 8x180, 5x120 |
| Supported Diameters | 18", 20", 22", 24" |
| Supported Widths | 8", 8.5", 9", 10" |
| Center Bore | 78.1 mm, 124.1 mm |
| Compatible Brands | Fuel Forged, Lexani, ESR Wheels, Savini, Vision, Black Rhino |
2021 GMC Sierra 3500HD Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 18 inch wheels for 2021 GMC Sierra 3500HD, 20 inch wheels for 2021 GMC Sierra 3500HD, 22 inch wheels for 2021 GMC Sierra 3500HD, 24 inch wheels for 2021 GMC Sierra 3500HD matched to 8"–10" widths and 6x139.7 / 8x180 bolt patterns. Whether building a daily street setup or trail rig, always confirm truck load rating and wheel offset alongside lug count—off-road alloy, flow-formed, and forged wheels from Fuel Forged, Lexani, ESR Wheels, Savini, Vision, Black Rhino all fit safely when backspacing and load capacity match.
2021 GMC Sierra 3500HD Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2021 GMC Sierra 3500HD?
The 2021 GMC Sierra 3500HD is engineered with a 6x139.7 / 8x180 / 5x120 bolt pattern and a 78.1 mm / 124.1 mm center bore and accommodates wheel diameters of 18"–24" with rim widths of 8"–10". Installing hub-centric wheels guarantees zero highway vibrations.
How do I verify aftermarket wheels clear the brakes on my 2021 GMC Sierra 3500HD?
All 2021 GMC Sierra 3500HD wheels listed on Shop Wheels Direct are verified against factory brake caliper profiles and the 6x139.7 / 8x180 / 5x120 bolt pattern across 18"–24" diameters and 8"–10" rim widths.
Can I install wider rims and aggressive off-road tires on the 2021 GMC Sierra 3500HD?
Yes. For the 2021 GMC Sierra 3500HD, wheels measuring 8"–10" wide in 18"–24" diameters with a 6x139.7 / 8x180 / 5x120 bolt pattern fit stock, leveled, or lifted suspensions cleanly without rubbing.
Which top wheel brands have guaranteed-fit rims for the 2021 GMC Sierra 3500HD?
Shop Wheels Direct features guaranteed-fit wheels for the 2021 GMC Sierra 3500HD from leading brands like Fuel Forged, Lexani, ESR Wheels, Savini, all precision-engineered for the 6x139.7 / 8x180 / 5x120 bolt pattern.