1999 Isuzu Amigo Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Isuzu Amigo, 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.
1999 Amigo — Year-Specific Fitment Context
The 1999 Isuzu Amigo is in year 8 of 9 using the 6x139.7 pattern (1992–2000). Wheels from any 1992–2000 Isuzu Amigo are cross-compatible with the 1999 model.
Isuzu Amigo Bolt Pattern by Year
The table below shows how the Amigo's wheel specifications have changed over the years. The 1999 model year is highlighted.
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 Isuzu Amigo
When selecting wheels for your 1999 Isuzu Amigo, the 6x139.7 bolt pattern is shared with models from 1992–2000. The center bore is 100.1mm; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is critical: the factory spec is 38mm. Sticking within ±5mm maintains suspension geometry and avoids rubbing. Always use lug nuts with the correct thread pitch (12x1.5) and seat type—factory wheels use a conical (60-degree) seat. Using incorrect lug nuts can cause wheel loosening or damage. Re-torque after 50–100 miles of driving.
Historical Fitment Data Reference
In our dataset, Isuzu Amigo appears from 1992 to 2000 (6 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 to 85–95 ft-lbs after 50–100 miles, then periodically check.
- ✅ Avoid wheels with offset below 33mm or above 43mm to prevent rubbing or bearing stress.
- ✅ Aftermarket wheels may require hub-centric rings (ID 100.1mm) to eliminate vibrations.
- ⚠️ 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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1999 Isuzu Amigo — Frequently Asked Questions
What is the bolt pattern for a 1999 Isuzu Amigo?
The 1999 Isuzu Amigo 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 Amigo have the same bolt pattern as the 1999?
The Isuzu Amigo uses the 6x139.7 pattern from 1992 through 2000. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
What is the center bore of a 1999 Isuzu Amigo?
The factory center bore (hub bore) for the 1999 Isuzu Amigo is 100.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
How tight should I torque the lug nuts on a 1999 Isuzu Amigo?
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 1999 Isuzu?
The 1999 Amigo 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.
Will wheels from another Isuzu fit my 1999 Amigo?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 100.1mm.
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