2004 Dodge Ram 3500 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 2004 Dodge Ram 3500 Regular Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 9/16 |
| 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.
2004 Ram 3500 Regular Cab — Year-Specific Fitment Context
The 2004 Dodge Ram 3500 Regular Cab is in year 11 of 17 using the 8x165.1 pattern (1994–2010). Wheels from any 1994–2010 Dodge Ram 3500 Regular Cab are cross-compatible with the 2004 model.
Dodge Ram 3500 Regular Cab Bolt Pattern by Year
The table below shows how the Ram 3500 Regular Cab's wheel specifications have changed over the years. The 2004 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1994 | 8x165.1 | 121.3 | 43 |
| 1995 | 8x165.1 | 121.3 | 43 |
| 1996 | 8x165.1 | 121.3 | 43 |
| 1997 | 8x165.1 | 121.3 | 43 |
| 1998 | 8x165.1 | 121.3 | 43 |
| 1999 | 8x165.1 | 121.3 | 43 |
| 2000 | 8x165.1 | 121.3 | 43 |
| 2001 | 8x165.1 | 121.3 | 43 |
| 2002 | 8x165.1 | 121.3 | 43 |
| 2003 | 8x165.1 | 121.3 | 43 |
| ▸ 2004 | 8x165.1 | 121.3 | 43 |
| 2005 | 8x165.1 | 121.3 | 43 |
| 2006 | 8x165.1 | 121.3 | 43 |
| 2007 | 8x165.1 | 121.3 | 43 |
| 2008 | 8x165.1 | 121.3 | 43 |
| 2009 | 8x165.1 | 121.3 | 43 |
| 2010 | 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 2004 Dodge Ram 3500 Regular Cab
For your 2004 Dodge Ram 3500 Regular Cab, the 8x165.1 bolt pattern is shared with 1994–2010 models, ensuring broad cross-compatibility. However, the 121.3mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and load stress. Offset is sensitive; stock is 43mm, and deviations beyond ±6mm may cause rubbing or bearing wear. Always verify lug nut thread pitch (9/16" fine thread) and seat type—use conical (60-degree) or ball seat as specified; incorrect seating can lead to wheel loss. Safety first: improper fitment compromises handling and durability.
Historical Fitment Data Reference
In our dataset, Dodge Ram 3500 Regular Cab appears from 1994 to 2010 (17 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 135 ft-lbs after 50 miles of driving, then periodically check.
- ✅ Avoid wheels with offset below 37mm (too aggressive) to prevent fender rubbing on this heavy-duty truck.
- ✅ When using aftermarket wheels, always install hub-centric rings (plastic or aluminum) to match the 121.3mm hub bore.
- ⚠️ 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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2004 Dodge Ram 3500 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 2004 Dodge Ram 3500 Regular Cab?
The 2004 Dodge Ram 3500 Regular 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 Dodge Ram 3500 Regular Cab have the same bolt pattern as the 2004?
The Dodge Ram 3500 Regular Cab uses the 8x165.1 pattern from 1994 through 2010. Wheels from any of these model years are dimensionally compatible with the 2004, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2004 Dodge Ram 3500 Regular Cab?
Refer to your owner's manual for exact specs, but always tighten the 9/16 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What does 43mm offset mean for the 2004 Ram 3500 Regular 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 Dodge.
Will wheels from another Dodge fit my 2004 Ram 3500 Regular 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.
What lug nut size does the 2004 Dodge Ram 3500 Regular Cab use?
The 2004 Dodge Ram 3500 Regular Cab uses 9/16 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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