2003 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 2003 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.
2003 Tracker — Year-Specific Fitment Context
The 2003 Chevrolet Tracker is in year 6 of 7 using the 5x139.7 pattern (1998–2004). Wheels from any 1998–2004 Chevrolet Tracker are cross-compatible with the 2003 model.
Chevrolet Tracker Bolt Pattern by Year
The table below shows how the Tracker's wheel specifications have changed over the years. The 2003 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 2003 Chevrolet Tracker
For your 2003 Chevrolet Tracker, the 5x139.7 bolt pattern is shared with 1998-2004 models, ensuring cross-compatibility. Critical is the 108.4mm center bore: aftermarket wheels often have larger bores, requiring hub-centric rings to prevent vibrations and ensure proper load transfer. Offset must stay within 20-30mm; deviations risk rubbing or poor handling. Always use M12x1.25 lug nuts with the correct seat type—factory wheels use a conical (60-degree) seat, while aftermarket may require ball or flat seats. Never mix seat types; improper engagement can cause wheel loss. Re-torque after 50-100 miles of driving.
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 to 80-90 ft-lbs after 50-100 miles to account for settling.
- ✅ Avoid using wheels with a center bore larger than 108.4mm without hub-centric rings; vibrations indicate improper fit.
- ✅ Verify lug nut seat type (conical, ball, or flat) matches the wheel; mismatched seats can lead to loosening.
- ⚠️ 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).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
2003 Chevrolet Tracker — Frequently Asked Questions
What is the bolt pattern for a 2003 Chevrolet Tracker?
The 2003 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 2003?
The Chevrolet Tracker uses the 5x139.7 pattern from 1998 through 2004. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
What does 20-30mmmm offset mean for the 2003 Tracker?
An offset of 20-30mmmm means the wheel's mounting surface is 20-30mmmm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
How do I measure the bolt pattern on my 2003 Chevrolet?
The 2003 Tracker uses a 5x139.7 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.
What lug nut size does the 2003 Chevrolet Tracker use?
The 2003 Chevrolet Tracker uses M12x1.25 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
How tight should I torque the lug nuts on a 2003 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.
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset