2003 Chevrolet Blazer 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 Blazer, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120.65 (5x4.75") |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 10 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2003 Blazer — Year-Specific Fitment Context
The 2003 Chevrolet Blazer is in year 12 of 14 using the 5x120.65 pattern (1992–2005). Wheels from any 1992–2005 Chevrolet Blazer are cross-compatible with the 2003 model. Across its full production run (1992–2024), the Blazer has also used: 6x120.
Chevrolet Blazer Bolt Pattern by Year
The table below shows how the Blazer's wheel specifications have changed over the years. The 2003 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1992 | 5x120.65 | 70.3 | 10 |
| 1993 | 5x120.65 | 70.3 | 10 |
| 1994 | 5x120.65 | 70.3 | 10 |
| 1995 | 5x120.65 | 70.3 | 10 |
| 1996 | 5x120.65 | 70.3 | 10 |
| 1997 | 5x120.65 | 70.3 | 10 |
| 1998 | 5x120.65 | 70.3 | 10 |
| 1999 | 5x120.65 | 70.3 | 10 |
| 2000 | 5x120.65 | 70.3 | 10 |
| 2001 | 5x120.65 | 70.3 | 10 |
| 2002 | 5x120.65 | 70.3 | 10 |
| ▸ 2003 | 5x120.65 | 70.3 | 10 |
| 2004 | 5x120.65 | 70.3 | 10 |
| 2005 | 5x120.65 | 70.3 | 10 |
| 2019 | 6x120 | 66.9 | 50 |
| 2020 | 6x120 | 66.9 | 50 |
| 2021 | 6x120 | 66.9 | 50 |
| 2022 | 6x120 | 66.9 | 50 |
| 2023 | 6x120 | 66.9 | 50 |
| 2024 | 6x120 | 66.9 | 50 |
Fitment Notes
The 2003 Chevrolet Blazer has a bolt pattern of 5x120.65.
Imperial Conversion: This bolt pattern is commonly referred to as 5x4.75" in imperial units. When searching for aftermarket wheels, you may see them listed as 5x4.75".
This means it is a 5 lug pattern with a circle diameter of 120.65mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Chevrolet Blazer appears from 1992 to 2024 (20 model years).
Across model years, this model appears with 2 bolt patterns (5x120.65, 6x120).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 40.0 mm
5x120.65 Pattern Context
This bolt pattern appears on 202 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x120.65:
2003 Chevrolet Blazer — Frequently Asked Questions
What is the bolt pattern for a 2003 Chevrolet Blazer?
The 2003 Chevrolet Blazer uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 10mm.
What other years of Chevrolet Blazer have the same bolt pattern as the 2003?
The Chevrolet Blazer uses the 5x120.65 pattern from 1992 through 2005. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
What is the PCD for a 2003 Chevrolet Blazer?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2003 Blazer, the PCD is 5x120.65.
What is the factory wheel offset for a 2003 Chevrolet Blazer?
The OEM offset for the 2003 Blazer is typically around 10mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
How tight should I torque the lug nuts on a 2003 Chevrolet Blazer?
Refer to your owner's manual for exact specs, but always tighten the N 12x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Can I put aftermarket wheels on my 2003 Chevrolet Blazer?
Absolutely. Just ensure the aftermarket wheels have a 5x120.65 bolt pattern, an offset near 10mm, and a center bore of at least 70.3mm (using hub rings if larger).
Fitment Checklist Before You Buy Wheels
- 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).
- This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
Editorial Fitment Notes
Chevrolet Blazer has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 1992-2024 (20 model years).
- Observed bolt-pattern variants: 2 (5x120.65, 6x120).
- Observed total offset span across years: 40.0 mm.
- Observed center-bore variants: 2 | lug-size variants: 2.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 2003 Chevrolet Blazer, please report it via our About page contact so we can verify and update this record.