1998 Dodge Ram Wagon 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 Wagon 1500, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 9/16" (18 UNF) |
| Center Bore (CB) | 77.8 mm |
| Offset (ET) | 25 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
1998 Ram Wagon 1500 — Year-Specific Fitment Context
The 1998 Dodge Ram Wagon 1500 is in year 4 of 8 using the 5x139.7 pattern (1995–2002). Wheels from any 1995–2002 Dodge Ram Wagon 1500 are cross-compatible with the 1998 model.
Dodge Ram Wagon 1500 Bolt Pattern by Year
The table below shows how the Ram Wagon 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 Wagon 1500
For your 1998 Dodge Ram Wagon 1500, the 5x139.7 bolt pattern is shared with 1995–2002 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 load is on the hub, not the lug nuts. Offset is sensitive: stock is 25mm; deviations affect scrub radius and clearance. Use a +15 to +35mm range for safe fitment. Lug nuts must be 9/16"-18 UNF with a conical (60-degree) seat; never use ball-seat or shank-style nuts. Always re-torque after 50 miles.
Historical Fitment Data Reference
In our dataset, Dodge Ram Wagon 1500 appears from 1995 to 2002 (8 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 to account for wheel seating.
- ✅ Avoid wheels with a center bore larger than 77.8mm without hub-centric rings; vibration and stress on studs can result.
- ✅ Check offset carefully: too low (negative) can cause rubbing on fenders; too high (positive) may contact suspension components.
- ⚠️ 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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1998 Dodge Ram Wagon 1500 — Frequently Asked Questions
What is the bolt pattern for a 1998 Dodge Ram Wagon 1500?
The 1998 Dodge Ram Wagon 1500 uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 77.8mm and the offset is 25mm.
What other years of Dodge Ram Wagon 1500 have the same bolt pattern as the 1998?
The Dodge Ram Wagon 1500 uses the 5x139.7 pattern from 1995 through 2002. 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 Wagon 1500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1998 Ram Wagon 1500, the PCD is 5x139.7.
Can I put aftermarket wheels on my 1998 Dodge Ram Wagon 1500?
Absolutely. Just ensure the aftermarket wheels have a 5x139.7 bolt pattern, an offset near 25mm, and a center bore of at least 77.8mm (using hub rings if larger).
Will wheels from another Dodge fit my 1998 Ram Wagon 1500?
Only if they share the exact same 5x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 77.8mm.
Do 1998 Dodge Ram Wagon 1500s use lug bolts or lug nuts?
The 1998 Ram Wagon 1500 requires N 9/16" (18 UNF) hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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