1999 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 1999 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.
1999 B-Series Cab Plus — Year-Specific Fitment Context
The 1999 MAZDA B-Series Cab Plus is in year 3 of 8 using the 6x139.7 pattern (1997–2004). Wheels from any 1997–2004 MAZDA B-Series Cab Plus are cross-compatible with the 1999 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 1999 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 1999 MAZDA B-Series Cab Plus
For the 1999 MAZDA B-Series Cab Plus, the 6x139.7 bolt pattern and 93.1mm center bore are critical. Aftermarket wheels often have a larger bore (e.g., 108mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The offset is sensitive; stock is 25mm, and deviations beyond ±10mm may cause rubbing or bearing stress. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (cone or ball seat, matching the wheel). Mixing seats can lead to loosening and wheel loss. 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 85-105 ft-lbs after 50-100 miles of driving.
- ✅ Avoid wheels with offset below 15mm or above 35mm to prevent rubbing or clearance issues.
- ✅ Verify wheel bore diameter; if larger than 93.1mm, use hub-centric rings to avoid 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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1999 MAZDA B-Series Cab Plus — Frequently Asked Questions
What is the bolt pattern for a 1999 MAZDA B-Series Cab Plus?
The 1999 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 1999?
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 1999, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 1999 MAZDA B-Series Cab Plus?
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.
What is the factory wheel offset for a 1999 MAZDA B-Series Cab Plus?
The OEM offset for the 1999 B-Series Cab Plus is typically around 25mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
How do I measure the bolt pattern on my 1999 MAZDA?
The 1999 B-Series Cab Plus 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.
Do 1999 MAZDA B-Series Cab Pluss use lug bolts or lug nuts?
The 1999 B-Series Cab Plus requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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