2020 Ram 3500 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 2020 Ram 3500 Crew Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 121.3 mm |
| Offset (ET) | 43 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
2020 3500 Crew Cab — Year-Specific Fitment Context
The 2020 Ram 3500 Crew Cab is in year 10 of 14 using the 8x165.1 pattern (2011–2024). Wheels from any 2011–2024 Ram 3500 Crew Cab are cross-compatible with the 2020 model.
Ram 3500 Crew Cab Bolt Pattern by Year
The table below shows how the 3500 Crew Cab's wheel specifications have changed over the years. The 2020 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2011 | 8x165.1 | 121.3 | 25 |
| 2012 | 8x165.1 | 121.3 | 43 |
| 2013 | 8x165.1 | 121.3 | 43 |
| 2014 | 8x165.1 | 121.3 | 43 |
| 2015 | 8x165.1 | 121.3 | 43 |
| 2016 | 8x165.1 | 121.3 | 43 |
| 2017 | 8x165.1 | 121.3 | 43 |
| 2018 | 8x165.1 | 121.3 | 43 |
| 2019 | 8x165.1 | 121.3 | 43 |
| ▸ 2020 | 8x165.1 | 121.3 | 43 |
| 2021 | 8x165.1 | 121.3 | 43 |
| 2022 | 8x165.1 | 121.3 | 43 |
| 2024 | 8x165.1 | 121.3 | 43 |
8x165.1 Pattern Context
This bolt pattern appears on 846 vehicles in our current database and is considered common.
Examples of other vehicles using 8x165.1:
Expert Buying Guide for 2020 Ram 3500 Crew Cab
For your 2020 Ram 3500 Crew Cab, the 8x165.1 bolt pattern and 121.3mm center bore are critical. Aftermarket wheels often have a larger center bore, requiring hub-centric rings to prevent vibration and ensure load is carried by the hub, not the lug nuts. The factory offset is 43mm; deviations beyond ±10mm may cause rubbing or clearance issues with brakes and suspension. Always verify lug nut compatibility: 14x1.5 thread pitch with a conical (60-degree) seat. Using incorrect seat type (e.g., ball seat) can lead to wheel loosening. Re-torque after 50-100 miles. Wheels from 2011-2024 Ram 3500 Crew Cab models are direct fit.
Historical Fitment Data Reference
In our dataset, Ram 3500 Crew Cab appears from 2011 to 2024 (13 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: 2
- Observed total offset span across years: 18.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50-100 miles of driving.
- ✅ Avoid wheels with offset below 33mm or above 53mm to prevent brake caliper contact.
- ✅ Inspect for clearance with aftermarket brake upgrades; some require spacers or specific offset.
- ⚠️ 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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2020 Ram 3500 Crew Cab — Frequently Asked Questions
What is the bolt pattern for a 2020 Ram 3500 Crew Cab?
The 2020 Ram 3500 Crew Cab uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 121.3mm and the offset is 43mm.
What other years of Ram 3500 Crew Cab have the same bolt pattern as the 2020?
The Ram 3500 Crew Cab uses the 8x165.1 pattern from 2011 through 2024. Wheels from any of these model years are dimensionally compatible with the 2020, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2020 Ram 3500 Crew Cab?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
How do I measure the bolt pattern on my 2020 Ram?
The 2020 3500 Crew Cab uses a 8x165.1 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 2020 Ram 3500 Crew Cab?
The factory center bore (hub bore) for the 2020 Ram 3500 Crew Cab is 121.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What does 43mm offset mean for the 2020 3500 Crew Cab?
An offset of 43mm means the wheel's mounting surface is 43mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Ram.
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