2003 MAZDA B-Series Cab Plus Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2003 MAZDA B-Series Cab Plus, 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.
2003 B-Series Cab Plus — Year-Specific Fitment Context
The 2003 MAZDA B-Series Cab Plus is in year 7 of 8 using the 6x139.7 pattern (1997–2004). Wheels from any 1997–2004 MAZDA B-Series Cab Plus are cross-compatible with the 2003 model. Across its full production run (1992–2004), the B-Series Cab Plus has also used: 5x114.3.
MAZDA B-Series Cab Plus Bolt Pattern by Year
The table below shows how the B-Series Cab Plus's wheel specifications have changed over the years. The 2003 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 |
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 2003 MAZDA B-Series Cab Plus
For your 2003 MAZDA B-Series Cab Plus, the 6x139.7 bolt pattern is shared with 1997–2004 models. The 93.1mm center bore is critical; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is sensitive; the factory 25mm offset maintains suspension geometry and brake clearance. Deviating more than ±10mm may cause rubbing or handling issues. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (cone seat for most aftermarket wheels; ball seat for factory). Improper lug nuts can lead to wheel loosening. Re-torque after 50–100 miles.
Historical Fitment Data Reference
In our dataset, MAZDA B-Series Cab Plus appears from 1992 to 2004 (13 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 85–95 ft-lbs after 50–100 miles of driving.
- ✅ Verify wheel bore is 93.1mm or use hub-centric rings; avoid relying solely on lug nuts for centering.
- ✅ Check offset clearance with suspension and fenders; 25mm offset is optimal, but 0–35mm may fit with testing.
- ⚠️ 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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2003 MAZDA B-Series Cab Plus — Frequently Asked Questions
What is the bolt pattern for a 2003 MAZDA B-Series Cab Plus?
The 2003 MAZDA B-Series Cab Plus 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 Cab Plus have the same bolt pattern as the 2003?
The MAZDA B-Series Cab Plus uses the 6x139.7 pattern from 1997 through 2004. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
Will wheels from another MAZDA fit my 2003 B-Series Cab Plus?
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.
What is the center bore of a 2003 MAZDA B-Series Cab Plus?
The factory center bore (hub bore) for the 2003 MAZDA B-Series Cab Plus is 93.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Do 2003 MAZDA B-Series Cab Pluss use lug bolts or lug nuts?
The 2003 B-Series Cab Plus requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the PCD for a 2003 MAZDA B-Series Cab Plus?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2003 B-Series Cab Plus, the PCD is 6x139.7.
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