2007 Isuzu i-290 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 2007 Isuzu i-290 Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 100.1 mm |
| Offset (ET) | 38 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2007 i-290 Extended Cab — Year-Specific Fitment Context
The 2007 model year marks the beginning of the Isuzu i-290 Extended Cab's 6x139.7 bolt pattern era, which continued through 2008 (2 consecutive years). Wheels from any 2007–2008 Isuzu i-290 Extended Cab are cross-compatible with the 2007 model.
Isuzu i-290 Extended Cab Bolt Pattern by Year
The table below shows how the i-290 Extended Cab's wheel specifications have changed over the years. The 2007 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 2007 | 6x139.7 | 100.1 | 38 |
| 2008 | 6x139.7 | 100.1 | 38 |
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 2007 Isuzu i-290 Extended Cab
For your 2007 Isuzu i-290 Extended Cab, the 6x139.7 bolt pattern is shared with 2007-2008 models. The 100.1mm center bore is critical; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibrations and ensure proper load distribution. Offset is sensitive; the factory 38mm offset maintains correct geometry. Deviating more than ±5mm may cause rubbing or handling issues. Always use 12x1.5 lug nuts with the correct seat type (conical 60-degree for most aftermarket wheels, but verify factory wheel seat). Improper lug nut seating can lead to wheel loss. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Isuzu i-290 Extended Cab appears from 2007 to 2008 (2 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Use hub-centric rings with aftermarket wheels to match the 100.1mm center bore; avoid relying solely on lug nuts for centering.
- ✅ Stick to offset within 33-43mm range to prevent tire rubbing on suspension or fenders.
- ✅ Re-torque lug nuts to 85-100 ft-lbs after 50-100 miles of driving; check periodically for loosening.
- ⚠️ 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).
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2007 Isuzu i-290 Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2007 Isuzu i-290 Extended Cab?
The 2007 Isuzu i-290 Extended Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 100.1mm and the offset is 38mm.
What other years of Isuzu i-290 Extended Cab have the same bolt pattern as the 2007?
The Isuzu i-290 Extended Cab uses the 6x139.7 pattern from 2007 through 2008. Wheels from any of these model years are dimensionally compatible with the 2007, provided the offset and center bore also match.
What is the center bore of a 2007 Isuzu i-290 Extended Cab?
The factory center bore (hub bore) for the 2007 Isuzu i-290 Extended Cab is 100.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I use spacers on my 2007 Isuzu i-290 Extended Cab?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 100.1mm center bore. Also verify that you have enough thread engagement for your 12x1.5 hardware.
What lug nut size does the 2007 Isuzu i-290 Extended Cab use?
The 2007 Isuzu i-290 Extended Cab uses 12x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Can I put aftermarket wheels on my 2007 Isuzu i-290 Extended Cab?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 38mm, and a center bore of at least 100.1mm (using hub rings if larger).
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