2021 Ford F350 Super Duty Regular 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 Regular 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 Regular Cab — Year-Specific Fitment Context
The 2021 Ford F350 Super Duty Regular Cab is in year 23 of 26 using the 8x170 pattern (1999–2024). Wheels from any 1999–2024 Ford F350 Super Duty Regular Cab are cross-compatible with the 2021 model.
Ford F350 Super Duty Regular Cab Bolt Pattern by Year
The table below shows how the F350 Super Duty Regular 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 |
| ▸ 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 Regular Cab
For your 2021 Ford F350 Super Duty Regular Cab, the 8x170 bolt pattern is shared across 1999–2024 models, ensuring broad compatibility. However, the 124.9mm center bore is critical: aftermarket wheels often have a larger bore (e.g., 130.1mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. Offset is sensitive; the factory 40mm offset maintains correct scrub radius and suspension geometry. Deviating more than ±10mm can cause rubbing or bearing stress. Always verify lug nut thread pitch (14x1.5) and seat type—factory uses cone seat; aftermarket wheels may require ball or shank-style nuts. Improper lug nuts can lead to wheel loss. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, Ford F350 Super Duty Regular Cab appears from 1999 to 2024 (24 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 to 165 ft-lbs after 50 miles, then periodically check.
- ✅ Aftermarket wheels with 130.1mm bore require hub-centric rings; avoid relying solely on lug nuts for centering.
- ✅ Verify wheel offset using a test fit; even 5mm deviation can cause caliper or suspension contact on this model.
- ⚠️ 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 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 2021 Ford F350 Super Duty Regular Cab?
The 2021 Ford F350 Super Duty Regular 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 Regular Cab have the same bolt pattern as the 2021?
The Ford F350 Super Duty Regular 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.
What is the factory wheel offset for a 2021 Ford F350 Super Duty Regular Cab?
The OEM offset for the 2021 F350 Super Duty Regular Cab is typically around 40mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Do 2021 Ford F350 Super Duty Regular Cabs use lug bolts or lug nuts?
The 2021 F350 Super Duty Regular Cab requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Why is matching the 124.9mm center bore important for the 2021 F350 Super Duty Regular 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 use spacers on my 2021 Ford F350 Super Duty Regular Cab?
Yes, but ensure the wheel spacers match the 8x170 bolt pattern and 124.9mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
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