1998 Chevrolet Tracker Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Chevrolet Tracker, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | M12x1.25 |
| Center Bore (CB) | 108.4 mm |
| Offset (ET) | 20-30mm |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
1998 Tracker — Year-Specific Fitment Context
The 1998 model year marks the beginning of the Chevrolet Tracker's 5x139.7 bolt pattern era, which continued through 2004 (7 consecutive years). Wheels from any 1998–2004 Chevrolet Tracker are cross-compatible with the 1998 model.
Chevrolet Tracker Bolt Pattern by Year
The table below shows how the Tracker's wheel specifications have changed over the years. The 1998 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 1998 Chevrolet Tracker
For your 1998 Chevrolet Tracker, the 5x139.7 bolt pattern is shared with 1998–2004 models, ensuring cross-compatibility. The center bore is 108.4mm; aftermarket wheels with a larger bore require hub-centric rings to prevent vibration and ensure proper load distribution. Offset must stay within 20-30mm to avoid rubbing or clearance issues. Always use M12x1.25 lug nuts with the correct seat type—factory wheels use a conical (60-degree) seat; aftermarket wheels may require ball-seat or shank-style nuts. Improper lug nut seating can lead to wheel detachment. Verify thread engagement and torque to manufacturer specs.
Historical Fitment Data Reference
In our dataset, Chevrolet Tracker appears from 1998 to 2004 (7 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: 50.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to account for wheel settling.
- ✅ Avoid using wheels from pre-1998 Trackers (6-lug pattern) or post-2004 models (different offset and bore).
- ✅ Check for caliper clearance when using 15-inch wheels; some aftermarket designs may interfere.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ 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 Chevrolet Tracker — Frequently Asked Questions
What is the bolt pattern for a 1998 Chevrolet Tracker?
The 1998 Chevrolet Tracker uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 108.4mm and the offset is 20-30mmmm.
What other years of Chevrolet Tracker have the same bolt pattern as the 1998?
The Chevrolet Tracker uses the 5x139.7 pattern from 1998 through 2004. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 1998 Chevrolet Tracker?
Refer to your owner's manual for exact specs, but always tighten the M12x1.25 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Why is matching the 108.4mm center bore important for the 1998 Tracker?
The 108.4mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What is the PCD for a 1998 Chevrolet Tracker?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1998 Tracker, the PCD is 5x139.7.
What lug nut size does the 1998 Chevrolet Tracker use?
The 1998 Chevrolet Tracker uses M12x1.25 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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