2021 Ford F350 Super Duty Crew Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2021 Ford F350 Super Duty Crew Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x170 |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 124.9 mm |
| Offset (ET) | 40 |
| Torque Specs | 140 ft-lbs (190 Nm) |
2021 F350 Super Duty Crew Cab — Year-Specific Fitment Context
The 2021 Ford F350 Super Duty Crew Cab is in year 23 of 26 using the 8x170 pattern (1999–2024). Wheels from any 1999–2024 Ford F350 Super Duty Crew Cab are cross-compatible with the 2021 model.
Ford F350 Super Duty Crew Cab Bolt Pattern by Year
The table below shows how the F350 Super Duty Crew Cab's wheel specifications have changed over the years. The 2021 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1999 | 8x170 | 124.9 | 40 |
| 2000 | 8x170 | 124.9 | 40 |
| 2001 | 8x170 | 124.9 | 40 |
| 2002 | 8x170 | 124.9 | 40 |
| 2003 | 8x170 | 124.9 | 40 |
| 2004 | 8x170 | 124.9 | 40 |
| 2005 | 8x170 | 124.9 | 40 |
| 2006 | 8x170 | 124.9 | 40 |
| 2007 | 8x170 | 124.9 | 40 |
| 2008 | 8x170 | 124.9 | 40 |
| 2009 | 8x170 | 124.9 | 40 |
| 2010 | 8x170 | 124.9 | 40 |
| 2011 | 8x170 | 124.9 | 40 |
| 2012 | 8x170 | 124.9 | 40 |
| 2013 | 8x170 | 124.9 | 40 |
| 2014 | 8x170 | 124.9 | 40 |
| 2015 | 8x170 | 124.9 | 40 |
| 2016 | 8x170 | 124.9 | 40 |
| 2017 | 8x170 | 124.9 | 40 |
| 2018 | 8x170 | 124.9 | 40 |
| 2019 | 8x170 | 124.9 | 40 |
| 2020 | 8x170 | 124.9 | 40 |
| ▸ 2021 | 8x170 | 124.9 | 40 |
| 2022 | 8x170 | 124.9 | 40 |
| 2024 | 8x170 | 124.9 | 40 |
8x170 Pattern Context
This bolt pattern appears on 157 vehicles in our current database and is considered uncommon.
Examples of other vehicles using 8x170:
Expert Buying Guide for 2021 Ford F350 Super Duty Crew Cab
For your 2021 Ford F350 Super Duty Crew Cab, the 8x170 bolt pattern is shared across 1999–2024 models, ensuring broad cross-compatibility. However, the 124.9mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load transfer. Offset is sensitive; the factory spec is 40mm, but a range of 35–45mm is acceptable. Exceeding this can cause rubbing or bearing stress. Always verify lug nut thread pitch (14x1.5) and seat type—factory uses cone seat, but aftermarket may require ball seat. Incorrect lug nuts can lead to wheel loss. Safety first: consult a professional for fitment verification.
Historical Fitment Data Reference
In our dataset, Ford F350 Super Duty Crew Cab appears from 1999 to 2024 (25 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50–100 miles of driving to maintain clamping force.
- ✅ Avoid wheels with offset below 35mm or above 45mm to prevent clearance issues.
- ✅ Use hub-centric rings if aftermarket wheels have a bore larger than 124.9mm; plastic rings are adequate for street use.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 Nm), then re-check torque after 50-100 km (30-60 miles).
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2021 Ford F350 Super Duty Crew Cab — Frequently Asked Questions
What is the bolt pattern for a 2021 Ford F350 Super Duty Crew Cab?
The 2021 Ford F350 Super Duty Crew Cab uses a 8x170 bolt pattern (also called lug pattern or PCD). The center bore is 124.9mm and the offset is 40mm.
What other years of Ford F350 Super Duty Crew Cab have the same bolt pattern as the 2021?
The Ford F350 Super Duty Crew Cab uses the 8x170 pattern from 1999 through 2024. Wheels from any of these model years are dimensionally compatible with the 2021, provided the offset and center bore also match.
How do I measure the bolt pattern on my 2021 Ford?
The 2021 F350 Super Duty Crew Cab uses a 8x170 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
What is the center bore of a 2021 Ford F350 Super Duty Crew Cab?
The factory center bore (hub bore) for the 2021 Ford F350 Super Duty Crew Cab is 124.9mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Why is matching the 124.9mm center bore important for the 2021 F350 Super Duty Crew Cab?
The 124.9mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
Can I put aftermarket wheels on my 2021 Ford F350 Super Duty Crew Cab?
Absolutely. Just ensure the aftermarket wheels have a 8x170 bolt pattern, an offset near 40mm, and a center bore of at least 124.9mm (using hub rings if larger).
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