2001 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 2001 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.
2001 B-Series Regular Cab — Year-Specific Fitment Context
The 2001 MAZDA B-Series Regular Cab is in year 5 of 11 using the 6x139.7 pattern (1997–2007). Wheels from any 1997–2007 MAZDA B-Series Regular Cab are cross-compatible with the 2001 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 2001 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 2001 MAZDA B-Series Regular Cab
For your 2001 MAZDA B-Series Regular Cab, the 6x139.7 bolt pattern is shared with 1997–2007 models. The 93.1mm center bore is critical; aftermarket wheels often have a larger bore (e.g., 108mm), requiring hub-centric rings to prevent vibration and ensure load is on the hub, not the lugs. Offset is sensitive: stock is 25mm. Deviating more than ±10mm may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (cone seat for steel wheels, ball seat for some alloys). Mixing seats can lead to loose wheels. Re-torque after 50 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
- ✅ Re-torque lug nuts to 85-105 ft-lbs after 50 miles of driving, then periodically check.
- ✅ Avoid using wheels from 1992-1996 models (5x114.3 pattern) without proper adapters.
- ✅ When installing aftermarket wheels, verify hub-centric ring fitment to prevent steering wheel vibration.
- ⚠️ 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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2001 MAZDA B-Series Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 2001 MAZDA B-Series Regular Cab?
The 2001 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 2001?
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 2001, provided the offset and center bore also match.
Why is matching the 93.1mm center bore important for the 2001 B-Series Regular Cab?
The 93.1mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
Do 2001 MAZDA B-Series Regular Cabs use lug bolts or lug nuts?
The 2001 B-Series Regular Cab requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the factory wheel offset for a 2001 MAZDA B-Series Regular Cab?
The OEM offset for the 2001 B-Series Regular Cab is typically around 25mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What lug nut size does the 2001 MAZDA B-Series Regular Cab use?
The 2001 MAZDA B-Series Regular Cab uses N 12x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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