1998 Isuzu Oasis Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Isuzu Oasis, 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.
1998 Oasis — Year-Specific Fitment Context
The 1998 Isuzu Oasis is in year 3 of 4 using the 6x139.7 pattern (1996–1999). Wheels from any 1996–1999 Isuzu Oasis are cross-compatible with the 1998 model.
Isuzu Oasis Bolt Pattern by Year
The table below shows how the Oasis's wheel specifications have changed over the years. The 1998 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 1998 Isuzu Oasis
For your 1998 Isuzu Oasis, the bolt pattern is 6x139.7mm with a center bore of 100.1mm. When selecting aftermarket wheels, ensure they have a larger center bore and use hub-centric rings to prevent vibration and ensure proper load distribution. The factory offset is 38mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify that aftermarket wheels use the correct lug nut thread pitch (12x1.5) and seat type (cone or ball seat) to avoid wheel loosening. Re-torque lug nuts after 50-100 miles of driving. Wheels from 1996-1999 Oasis models are directly compatible.
Historical Fitment Data Reference
In our dataset, Isuzu Oasis appears from 1996 to 1999 (4 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
- ✅ Always use hub-centric rings if aftermarket wheels have a larger center bore than 100.1mm to avoid vibrations.
- ✅ Stick to offset within 33-43mm to prevent rubbing on suspension or fenders.
- ✅ Re-torque lug nuts to 80-100 ft-lbs after 50-100 miles of initial installation.
- ⚠️ 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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1998 Isuzu Oasis — Frequently Asked Questions
What is the bolt pattern for a 1998 Isuzu Oasis?
The 1998 Isuzu Oasis 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 Oasis have the same bolt pattern as the 1998?
The Isuzu Oasis uses the 6x139.7 pattern from 1996 through 1999. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
What lug nut size does the 1998 Isuzu Oasis use?
The 1998 Isuzu Oasis uses 12x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
How do I measure the bolt pattern on my 1998 Isuzu?
The 1998 Oasis 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 1998 Oasis?
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.
Can I put aftermarket wheels on my 1998 Isuzu Oasis?
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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