2006 Isuzu i-350 Crew Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2006 Isuzu i-350 Crew 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) | 100.3 mm |
| Offset (ET) | 33 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2006 i-350 Crew Cab — Year-Specific Fitment Context
The 2006 is the only model year of the Isuzu i-350 Crew Cab in our database using the 6x139.7 bolt pattern.
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 2006 Isuzu i-350 Crew Cab
The 2006 Isuzu i-350 Crew Cab uses a 6x139.7 bolt pattern with a 100.3mm center bore. When selecting aftermarket wheels, hub-centric rings are essential to match the bore precisely, preventing vibrations and ensuring proper load distribution. Offset is critical; the factory offset is 33mm, and staying within ±5mm is recommended to avoid suspension or brake clearance issues. Always use lug nuts with the correct thread pitch (12x1.5) and seat type (cone or ball seat) to match the wheel. Improper lug nuts can lead to wheel loosening. Safety first: verify all specifications before installation.
Historical Fitment Data Reference
In our dataset, Isuzu i-350 Crew Cab appears from 2006 to 2006 (1 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
- ✅ Re-torque lug nuts after 50-100 miles of driving to ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; the 100.3mm bore is uncommon.
- ✅ Check for caliper clearance when using wheels with offset less than 28mm or greater than 38mm.
- ⚠️ 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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2006 Isuzu i-350 Crew Cab — Frequently Asked Questions
What is the bolt pattern for a 2006 Isuzu i-350 Crew Cab?
The 2006 Isuzu i-350 Crew Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 100.3mm and the offset is 33mm.
How tight should I torque the lug nuts on a 2006 Isuzu i-350 Crew 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.
How do I measure the bolt pattern on my 2006 Isuzu?
The 2006 i-350 Crew Cab 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.
What does 33mm offset mean for the 2006 i-350 Crew Cab?
An offset of 33mm means the wheel's mounting surface is 33mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Isuzu.
Do 2006 Isuzu i-350 Crew Cabs use lug bolts or lug nuts?
The 2006 i-350 Crew Cab requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Will wheels from another Isuzu fit my 2006 i-350 Crew Cab?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 100.3mm.
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