2019 Ram 3500 Mega Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2019 Ram 3500 Mega 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.
2019 3500 Mega Cab — Year-Specific Fitment Context
The 2019 Ram 3500 Mega Cab is in year 9 of 14 using the 8x165.1 pattern (2011–2024). Wheels from any 2011–2024 Ram 3500 Mega Cab are cross-compatible with the 2019 model.
Ram 3500 Mega Cab Bolt Pattern by Year
The table below shows how the 3500 Mega Cab's wheel specifications have changed over the years. The 2019 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 |
| 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 2019 Ram 3500 Mega Cab
The 2019 Ram 3500 Mega Cab uses an 8x165.1 bolt pattern with a 121.3mm center bore. When selecting aftermarket wheels, hub-centric rings are essential to match the precise bore, preventing vibrations and ensuring proper load distribution. The factory offset is 43mm; deviations beyond ±10mm may cause rubbing or clearance issues with brakes and suspension. Always verify lug nut compatibility: this vehicle requires 14x1.5 thread pitch with a cone seat (60-degree taper). Using incorrect seat type (e.g., ball seat) can lead to wheel loosening. Cross-compatible with 2011–2024 Ram 3500 Mega Cab wheels, but verify offset and bore for your specific setup.
Historical Fitment Data Reference
In our dataset, Ram 3500 Mega Cab appears from 2011 to 2024 (12 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 miles of driving, then check periodically.
- ✅ Avoid using aftermarket wheels with a center bore larger than 121.3mm without hub-centric rings to prevent vibration.
- ✅ For lifted trucks, offset adjustments may be needed; consult a professional to avoid suspension or brake interference.
- ⚠️ 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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2019 Ram 3500 Mega Cab — Frequently Asked Questions
What is the bolt pattern for a 2019 Ram 3500 Mega Cab?
The 2019 Ram 3500 Mega 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 Mega Cab have the same bolt pattern as the 2019?
The Ram 3500 Mega Cab uses the 8x165.1 pattern from 2011 through 2024. Wheels from any of these model years are dimensionally compatible with the 2019, provided the offset and center bore also match.
Will wheels from another Ram fit my 2019 3500 Mega Cab?
Only if they share the exact same 8x165.1 bolt pattern, a compatible offset, and a center bore equal to or larger than 121.3mm.
Can I use spacers on my 2019 Ram 3500 Mega Cab?
Yes, but ensure the wheel spacers match the 8x165.1 bolt pattern and 121.3mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
Do 2019 Ram 3500 Mega Cabs use lug bolts or lug nuts?
The 2019 3500 Mega Cab requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What does 43mm offset mean for the 2019 3500 Mega 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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