1994 Geo Tracker Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1994 Geo Tracker, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.25 |
| Center Bore (CB) | 108.4 mm |
| Offset (ET) | 10 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
1994 Tracker — Year-Specific Fitment Context
The 1994 Geo Tracker is in year 3 of 6 using the 5x139.7 pattern (1992–1997). Wheels from any 1992–1997 Geo Tracker are cross-compatible with the 1994 model.
Geo Tracker Bolt Pattern by Year
The table below shows how the Tracker's wheel specifications have changed over the years. The 1994 model year is highlighted.
5x139.7 Pattern Context
This bolt pattern appears on 261 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x139.7:
Expert Buying Guide for 1994 Geo Tracker
For your 1994 Geo Tracker, the bolt pattern is 5x139.7mm, but the center bore is a critical 108.4mm. Aftermarket wheels often have a larger bore, so hub-centric rings (108.4mm ID to wheel bore OD) are mandatory to prevent vibration and lug nut stress. The factory offset is 10mm; staying within ±5mm is recommended to avoid rubbing or bearing load issues. Always use lug nuts with the correct thread pitch (12x1.25) and seat type—factory wheels use a conical (60-degree) seat. Never mix seat types; improper seating can cause wheel loss. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, Geo Tracker appears from 1992 to 1997 (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 80-90 ft-lbs after 50 miles of driving to ensure proper seating.
- ✅ If using aftermarket wheels, verify hub bore and use hub-centric rings; avoid relying solely on lug nuts for centering.
- ✅ Check for clearance between the tire and suspension components, especially if changing offset or tire size.
- ⚠️ 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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1994 Geo Tracker — Frequently Asked Questions
What is the bolt pattern for a 1994 Geo Tracker?
The 1994 Geo Tracker uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 108.4mm and the offset is 10mm.
What other years of Geo Tracker have the same bolt pattern as the 1994?
The Geo Tracker uses the 5x139.7 pattern from 1992 through 1997. Wheels from any of these model years are dimensionally compatible with the 1994, provided the offset and center bore also match.
What is the center bore of a 1994 Geo Tracker?
The factory center bore (hub bore) for the 1994 Geo Tracker is 108.4mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Do 1994 Geo Trackers use lug bolts or lug nuts?
The 1994 Tracker requires 12x1.25 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the factory wheel offset for a 1994 Geo Tracker?
The OEM offset for the 1994 Tracker is typically around 10mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What does 10mm offset mean for the 1994 Tracker?
An offset of 10mm means the wheel's mounting surface is 10mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Geo.
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