2008 Dodge Ram 1500 Quad Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2008 Dodge Ram 1500 Quad Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | 9/16 |
| Center Bore (CB) | 77.8 mm |
| Offset (ET) | 19 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
2008 Ram 1500 Quad Cab — Year-Specific Fitment Context
The 2008 Dodge Ram 1500 Quad Cab is in year 11 of 13 using the 5x139.7 pattern (1998–2010). Wheels from any 1998–2010 Dodge Ram 1500 Quad Cab are cross-compatible with the 2008 model.
Dodge Ram 1500 Quad Cab Bolt Pattern by Year
The table below shows how the Ram 1500 Quad Cab's wheel specifications have changed over the years. The 2008 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1998 | 5x139.7 | 77.8 | 19 |
| 1999 | 5x139.7 | 77.8 | 19 |
| 2000 | 5x139.7 | 77.8 | 19 |
| 2001 | 5x139.7 | 77.8 | 19 |
| 2002 | 5x139.7 | 77.8 | 19 |
| 2003 | 5x139.7 | 77.8 | 19 |
| 2004 | 5x139.7 | 77.8 | 19 |
| 2005 | 5x139.7 | 77.8 | 19 |
| 2006 | 5x139.7 | 77.8 | 19 |
| 2007 | 5x139.7 | 77.8 | 19 |
| ▸ 2008 | 5x139.7 | 77.8 | 19 |
| 2009 | 5x139.7 | 77.8 | 19 |
| 2010 | 5x139.7 | 77.8 | 19 |
5x139.7 Pattern Context
This bolt pattern appears on 261 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x139.7:
Expert Buying Guide for 2008 Dodge Ram 1500 Quad Cab
For your 2008 Dodge Ram 1500 Quad Cab, the 5x139.7 bolt pattern is shared with 1998-2010 models, ensuring cross-compatibility. However, the 77.8mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset is sensitive; the factory 19mm offset maintains optimal suspension geometry and tire clearance. Using wheels with significantly different offset can cause rubbing or bearing wear. Always verify lug nut thread pitch (9/16-18) and seat type: use cone-seat lug nuts for aftermarket wheels, as ball-seat nuts can loosen. Re-torque after 50-100 miles to maintain clamping force.
Historical Fitment Data Reference
In our dataset, Dodge Ram 1500 Quad Cab appears from 1998 to 2010 (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: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Use hub-centric rings if aftermarket wheels have a bore larger than 77.8mm to avoid vibrations.
- ✅ Re-torque lug nuts to 130-140 ft-lbs after 50-100 miles of driving.
- ✅ Avoid wheels with offset outside 0-30mm to prevent rubbing on suspension or body panels.
- ⚠️ 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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2008 Dodge Ram 1500 Quad Cab — Frequently Asked Questions
What is the bolt pattern for a 2008 Dodge Ram 1500 Quad Cab?
The 2008 Dodge Ram 1500 Quad Cab uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 77.8mm and the offset is 19mm.
What other years of Dodge Ram 1500 Quad Cab have the same bolt pattern as the 2008?
The Dodge Ram 1500 Quad Cab uses the 5x139.7 pattern from 1998 through 2010. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
Do 2008 Dodge Ram 1500 Quad Cabs use lug bolts or lug nuts?
The 2008 Ram 1500 Quad Cab requires 9/16 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What does 19mm offset mean for the 2008 Ram 1500 Quad Cab?
An offset of 19mm means the wheel's mounting surface is 19mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Dodge.
How tight should I torque the lug nuts on a 2008 Dodge Ram 1500 Quad 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 is the factory wheel offset for a 2008 Dodge Ram 1500 Quad Cab?
The OEM offset for the 2008 Ram 1500 Quad Cab is typically around 19mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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