1998 MAZDA B-Series 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 1998 MAZDA B-Series Regular Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 93.1 mm |
| Offset (ET) | 25 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1998 B-Series Regular Cab — Year-Specific Fitment Context
The 1998 MAZDA B-Series Regular Cab is in year 2 of 11 using the 6x139.7 pattern (1997–2007). Wheels from any 1997–2007 MAZDA B-Series Regular Cab are cross-compatible with the 1998 model. Across its full production run (1992–2009), the B-Series Regular Cab has also used: 5x114.3.
MAZDA B-Series Regular Cab Bolt Pattern by Year
The table below shows how the B-Series Regular Cab's wheel specifications have changed over the years. The 1998 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1992 | 5x114.3 | 67.1 | 45-50 |
| 1993 | 5x114.3 | 67.1 | 45-50 |
| 1994 | 5x114.3 | 67.1 | 45-50 |
| 1995 | 5x114.3 | 67.1 | 45-50 |
| 1996 | 5x114.3 | 67.1 | 45-50 |
| 1997 | 6x139.7 | 93.1 | 25 |
| ▸ 1998 | 6x139.7 | 93.1 | 25 |
| 1999 | 6x139.7 | 93.1 | 25 |
| 2000 | 6x139.7 | 93.1 | 25 |
| 2001 | 6x139.7 | 93.1 | 25 |
| 2002 | 6x139.7 | 93.1 | 25 |
| 2003 | 6x139.7 | 93.1 | 25 |
| 2004 | 6x139.7 | 93.1 | 25 |
| 2005 | 6x139.7 | 93.1 | 25 |
| 2006 | 6x139.7 | 93.1 | 25 |
| 2007 | 6x139.7 | 93.1 | 25 |
| 2008 | 5x114.3 | 67.1 | 45-50 |
| 2009 | 5x114.3 | 67.1 | 45-50 |
6x139.7 Pattern Context
This bolt pattern appears on 1067 vehicles in our current database and is considered common.
Examples of other vehicles using 6x139.7:
Expert Buying Guide for 1998 MAZDA B-Series Regular Cab
The 1998 MAZDA B-Series Regular Cab uses a 6x139.7 bolt pattern with a 93.1mm center bore. When selecting aftermarket wheels, ensure hub-centric rings are used to match the bore precisely; otherwise, vibrations and unsafe lug nut loading may occur. The factory offset is 25mm; deviations beyond ±10mm can cause rubbing or clearance issues with suspension and body components. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (cone or ball seat, depending on the wheel). Mixing seat types can lead to loose wheels and catastrophic failure. Re-torque after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, MAZDA B-Series Regular Cab appears from 1992 to 2009 (18 model years). Across model years, this model appears with 2 bolt patterns (5x114.3, 6x139.7).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 95.0 mm
Quick Tips & Safety Warnings
- ✅ Always re-torque lug nuts to 85-105 ft-lbs after 50-100 miles of driving to ensure proper seating.
- ✅ Avoid using wheels from 1992-1996 B-Series models as they have a 5x114.3 bolt pattern and are not compatible.
- ✅ Check for caliper clearance when using wheels with offset less than 15mm, as the B-Series has limited space.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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1998 MAZDA B-Series Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 1998 MAZDA B-Series Regular Cab?
The 1998 MAZDA B-Series Regular Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 93.1mm and the offset is 25mm.
What other years of MAZDA B-Series Regular Cab have the same bolt pattern as the 1998?
The MAZDA B-Series Regular Cab uses the 6x139.7 pattern from 1997 through 2007. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
Will wheels from another MAZDA fit my 1998 B-Series Regular Cab?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 93.1mm.
How tight should I torque the lug nuts on a 1998 MAZDA B-Series Regular Cab?
Refer to your owner's manual for exact specs, but always tighten the N 12x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
How do I measure the bolt pattern on my 1998 MAZDA?
The 1998 B-Series Regular Cab uses a 6x139.7 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.
Can I use spacers on my 1998 MAZDA B-Series Regular Cab?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 93.1mm center bore. Also verify that you have enough thread engagement for your N 12x1.50 hardware.
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