2003 Chevrolet Astro Cargo 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 Astro Cargo, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 30 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2003 Astro Cargo — Year-Specific Fitment Context
The 2003 model year marks the beginning of the Chevrolet Astro Cargo's 6x139.7 bolt pattern era, which continued through 2005 (3 consecutive years). Wheels from any 2003–2005 Chevrolet Astro Cargo are cross-compatible with the 2003 model. Note: the 2002 model used a different pattern (5x127), so its wheels are NOT interchangeable with the 2003. Across its full production run (1992–2005), the Astro Cargo has also used: 5x127.
Chevrolet Astro Cargo Bolt Pattern by Year
The table below shows how the Astro Cargo's wheel specifications have changed over the years. The 2003 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 2003 Chevrolet Astro Cargo
For your 2003 Chevrolet Astro Cargo, the 6x139.7 bolt pattern is shared with 2003-2005 models, but 2002 and earlier use 5x127. The center bore is 78.1mm; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is critical: factory is 30mm; deviations affect scrub radius and clearance. Use only 14x1.5 lug nuts with the correct seat (conical/60-degree for most aftermarket wheels; factory uses a ball seat). Mismatched seats cause loosening and wheel loss. Always torque to spec and re-torque after 50 miles.
Historical Fitment Data Reference
In our dataset, Chevrolet Astro Cargo appears from 1992 to 2005 (14 model years). Across model years, this model appears with 2 bolt patterns (5x127, 6x139.7).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 30.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lb after 50 miles of driving to account for settling.
- ✅ Verify wheel bore is 78.1mm or use hub-centric rings; avoid lug-centric mounting.
- ✅ Check offset clearance: +30mm is standard; lower offset may rub fenders or suspension.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
2003 Chevrolet Astro Cargo — Frequently Asked Questions
What is the bolt pattern for a 2003 Chevrolet Astro Cargo?
The 2003 Chevrolet Astro Cargo uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 30mm.
What other years of Chevrolet Astro Cargo have the same bolt pattern as the 2003?
The Chevrolet Astro Cargo uses the 6x139.7 pattern from 2003 through 2005. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
Can I use 2002 Chevrolet Astro Cargo wheels on a 2003?
No. The 2002 Astro Cargo used a 5x127 bolt pattern, which differs from the 2003's 6x139.7. They are not interchangeable.
How tight should I torque the lug nuts on a 2003 Chevrolet Astro Cargo?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Will wheels from another Chevrolet fit my 2003 Astro Cargo?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 78.1mm.
What is the center bore of a 2003 Chevrolet Astro Cargo?
The factory center bore (hub bore) for the 2003 Chevrolet Astro Cargo is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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