1999 Mitsubishi Montero Sport Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Mitsubishi Montero Sport, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 108.0 mm |
| Offset (ET) | 23 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1999 Montero Sport — Year-Specific Fitment Context
The 1999 Mitsubishi Montero Sport is in year 3 of 8 using the 6x139.7 pattern (1997–2004). Wheels from any 1997–2004 Mitsubishi Montero Sport are cross-compatible with the 1999 model.
Mitsubishi Montero Sport Bolt Pattern by Year
The table below shows how the Montero Sport'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 Mitsubishi Montero Sport
For your 1999 Mitsubishi Montero Sport, the bolt pattern is 6x139.7mm with a critical center bore of 108.0mm. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset is sensitive; stock is around 23mm. Deviating more than ±10mm may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.50) and seat type—factory wheels use a conical seat, while aftermarket may require ball or acorn seats. Mismatched lug nuts can lead to wheel loosening. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, Mitsubishi Montero Sport appears from 1997 to 2004 (8 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 wheels from non-Mitsubishi vehicles; even with the same bolt pattern, center bore and offset differences can cause issues.
- ✅ When installing aftermarket wheels, always use hub-centric rings specifically sized for 108.0mm center bore to prevent 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 Mitsubishi Montero Sport — Frequently Asked Questions
What is the bolt pattern for a 1999 Mitsubishi Montero Sport?
The 1999 Mitsubishi Montero Sport uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 108.0mm and the offset is 23mm.
What other years of Mitsubishi Montero Sport have the same bolt pattern as the 1999?
The Mitsubishi Montero Sport uses the 6x139.7 pattern from 1997 through 2004. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
What does 23mm offset mean for the 1999 Montero Sport?
An offset of 23mm means the wheel's mounting surface is 23mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Mitsubishi.
Will wheels from another Mitsubishi fit my 1999 Montero Sport?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 108.0mm.
What is the PCD for a 1999 Mitsubishi Montero Sport?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 Montero Sport, the PCD is 6x139.7.
How do I measure the bolt pattern on my 1999 Mitsubishi?
The 1999 Montero Sport 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.
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