1998 Dodge Ram Van 1500 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Dodge Ram Van 1500, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 1/2"-RH |
| Center Bore (CB) | 77.8 mm |
| Offset (ET) | 10 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
1998 Ram Van 1500 — Year-Specific Fitment Context
The 1998 Dodge Ram Van 1500 is in year 4 of 9 using the 5x139.7 pattern (1995–2003). Wheels from any 1995–2003 Dodge Ram Van 1500 are cross-compatible with the 1998 model.
Dodge Ram Van 1500 Bolt Pattern by Year
The table below shows how the Ram Van 1500's wheel specifications have changed over the years. The 1998 model year is highlighted.
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 1998 Dodge Ram Van 1500
For your 1998 Dodge Ram Van 1500, the 5x139.7 bolt pattern is shared with 1995–2003 models, but the 77.8mm center bore is critical. Aftermarket wheels often have a larger bore (e.g., 78.1mm or 108mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The offset is sensitive: stock is around 10mm, and deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut compatibility: this vehicle uses 1/2"-RH threads with a cone seat. Using incorrect seat type (e.g., ball seat) can lead to wheel loosening. Re-torque after 50–100 miles. Avoid wheels with insufficient backspacing that may contact brake calipers or suspension components.
Historical Fitment Data Reference
In our dataset, Dodge Ram Van 1500 appears from 1995 to 2003 (9 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 (77.8mm ID to aftermarket bore) to prevent vibrations and center the wheel on the hub.
- ✅ Stick to offset within 5–15mm; lower offset pushes wheels outward, risking fender rub, while higher offset may contact suspension.
- ✅ Always confirm lug nuts are 1/2"-RH with a 60-degree conical seat; using wrong seat type can cause wheel detachment.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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1998 Dodge Ram Van 1500 — Frequently Asked Questions
What is the bolt pattern for a 1998 Dodge Ram Van 1500?
The 1998 Dodge Ram Van 1500 uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 77.8mm and the offset is 10mm.
What other years of Dodge Ram Van 1500 have the same bolt pattern as the 1998?
The Dodge Ram Van 1500 uses the 5x139.7 pattern from 1995 through 2003. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
What is the PCD for a 1998 Dodge Ram Van 1500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1998 Ram Van 1500, the PCD is 5x139.7.
Do 1998 Dodge Ram Van 1500s use lug bolts or lug nuts?
The 1998 Ram Van 1500 requires N 1/2"-RH hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What does 10mm offset mean for the 1998 Ram Van 1500?
An offset of 10mm means the wheel's mounting surface is 10mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Dodge.
How do I measure the bolt pattern on my 1998 Dodge?
The 1998 Ram Van 1500 uses a 5x139.7 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.
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