2008 Chevrolet Silverado 1500 Crew Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2008 Chevrolet Silverado 1500 Crew Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 16 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2008 Silverado 1500 Crew Cab — Year-Specific Fitment Context
The 2008 Chevrolet Silverado 1500 Crew Cab is in year 5 of 21 using the 6x139.7 pattern (2004–2024). Wheels from any 2004–2024 Chevrolet Silverado 1500 Crew Cab are cross-compatible with the 2008 model.
Chevrolet Silverado 1500 Crew Cab Bolt Pattern by Year
The table below shows how the Silverado 1500 Crew Cab's wheel specifications have changed over the years. The 2008 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2004 | 6x139.7 | 78.1 | 16 |
| 2005 | 6x139.7 | 78.1 | 16 |
| 2006 | 6x139.7 | 78.1 | 16 |
| 2007 | 6x139.7 | 78.1 | 16 |
| ▸ 2008 | 6x139.7 | 78.1 | 16 |
| 2009 | 6x139.7 | 78.1 | 26 |
| 2010 | 6x139.7 | 78.1 | 26 |
| 2011 | 6x139.7 | 78.1 | 26 |
| 2012 | 6x139.7 | 78.1 | 26 |
| 2013 | 6x139.7 | 78.1 | 26 |
| 2014 | 6x139.7 | 78.1 | 26 |
| 2015 | 6x139.7 | 78.1 | 26 |
| 2016 | 6x139.7 | 78.1 | 26 |
| 2017 | 6x139.7 | 78.1 | 26 |
| 2018 | 6x139.7 | 78.1 | 26 |
| 2019 | 6x139.7 | 78.1 | 24-28 |
| 2020 | 6x139.7 | 78.1 | 24-28 |
| 2021 | 6x139.7 | 78.1 | 24-28 |
| 2022 | 6x139.7 | 78.1 | 24-28 |
| 2023 | 6x139.7 | 78.1 | 24-28 |
| 2024 | 6x139.7 | 78.1 | 24-28 |
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 2008 Chevrolet Silverado 1500 Crew Cab
For your 2008 Chevrolet Silverado 1500 Crew Cab, the 6x139.7 bolt pattern is shared across 2004–2024 models, ensuring broad compatibility. However, the 78.1mm center bore is critical: aftermarket wheels with larger bores require hub-centric rings to prevent vibration and ensure proper load transfer. Offset is sensitive; the factory 16mm offset maintains optimal suspension geometry and tire clearance. Deviating more than ±10mm may cause rubbing or bearing stress. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—factory wheels use a conical (60-degree) seat, while aftermarket wheels may require ball or flat seats. Mismatched lug nuts can lead to wheel loss. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, Chevrolet Silverado 1500 Crew Cab appears from 2004 to 2024 (21 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: 2
- Observed total offset span across years: 54.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50–100 miles of driving to ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and damage.
- ✅ Check brake caliper clearance when changing offset; some aftermarket wheels may require spacers.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2008 Chevrolet Silverado 1500 Crew Cab — Frequently Asked Questions
What is the bolt pattern for a 2008 Chevrolet Silverado 1500 Crew Cab?
The 2008 Chevrolet Silverado 1500 Crew Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 16mm.
What other years of Chevrolet Silverado 1500 Crew Cab have the same bolt pattern as the 2008?
The Chevrolet Silverado 1500 Crew Cab uses the 6x139.7 pattern from 2004 through 2024. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2008 Chevrolet Silverado 1500 Crew Cab?
Refer to your owner's manual for exact specs, but always tighten the N 14x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What lug nut size does the 2008 Chevrolet Silverado 1500 Crew Cab use?
The 2008 Chevrolet Silverado 1500 Crew Cab uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
How do I measure the bolt pattern on my 2008 Chevrolet?
The 2008 Silverado 1500 Crew Cab uses a 6x139.7 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 is the center bore of a 2008 Chevrolet Silverado 1500 Crew Cab?
The factory center bore (hub bore) for the 2008 Chevrolet Silverado 1500 Crew Cab is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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