2009 MAZDA B-Series Extended Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2009 MAZDA B-Series Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x114.3 (5x4.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 67.1 mm |
| Offset (ET) | 45-50 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x114.3 is commonly referred to as 5x4.5" in US Standard.
2009 B-Series Extended Cab — Year-Specific Fitment Context
The 2009 model year is the final year of the MAZDA B-Series Extended Cab's 5x114.3 bolt pattern run (since 2008). Wheels from any 2008–2009 MAZDA B-Series Extended Cab are cross-compatible with the 2009 model. Across its full production run (2005–2009), the B-Series Extended Cab has also used: 6x139.7.
MAZDA B-Series Extended Cab Bolt Pattern by Year
The table below shows how the B-Series Extended Cab's wheel specifications have changed over the years. The 2009 model year is highlighted.
5x114.3 Pattern Context
This bolt pattern appears on 2902 vehicles in our current database and is considered very common.
Examples of other vehicles using 5x114.3:
Expert Buying Guide for 2009 MAZDA B-Series Extended Cab
For your 2009 MAZDA B-Series Extended Cab, the correct bolt pattern is 5x114.3, but the center bore is a critical 67.1mm. Aftermarket wheels often have a larger bore, so hub-centric rings are mandatory to prevent vibration and ensure proper load distribution. The offset range is tight: 45-50mm. Straying outside this can cause rubbing or clearance issues with suspension and brakes. Always use lug nuts with the correct thread pitch (12x1.5) and seat type—either conical (60-degree) or ball seat, matching the wheel's design. Never mix seat types; improper seating can lead to wheel loosening. Re-torque after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, MAZDA B-Series Extended Cab appears from 2005 to 2009 (5 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 80-90 ft-lbs after 50-100 miles of driving to account for settling.
- ✅ Avoid using wheels from 2005-2007 models as they may have a 6x139.7 bolt pattern; verify before purchase.
- ✅ Check for brake caliper clearance when using wheels with offset near 45mm, especially with aftermarket brakes.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Confirm bolt pattern carefully. 5x114.3 is often confused with other common 5-lug patterns.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ 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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2009 MAZDA B-Series Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2009 MAZDA B-Series Extended Cab?
The 2009 MAZDA B-Series Extended Cab uses a 5x114.3 bolt pattern (also called lug pattern or PCD). The center bore is 67.1mm and the offset is 45-50mm.
What other years of MAZDA B-Series Extended Cab have the same bolt pattern as the 2009?
The MAZDA B-Series Extended Cab uses the 5x114.3 pattern from 2008 through 2009. Wheels from any of these model years are dimensionally compatible with the 2009, provided the offset and center bore also match.
What does 45-50mm offset mean for the 2009 B-Series Extended Cab?
An offset of 45-50mm means the wheel's mounting surface is 45-50mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your MAZDA.
What is the PCD for a 2009 MAZDA B-Series Extended Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2009 B-Series Extended Cab, the PCD is 5x114.3.
How tight should I torque the lug nuts on a 2009 MAZDA B-Series Extended Cab?
Refer to your owner's manual for exact specs, but always tighten the 12x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What is the factory wheel offset for a 2009 MAZDA B-Series Extended Cab?
The OEM offset for the 2009 B-Series Extended Cab is typically around 45-50mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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