2013 Chevrolet Silverado 1500 Extended Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2013 Chevrolet Silverado 1500 Extended 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) | 26 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2013 Silverado 1500 Extended Cab — Year-Specific Fitment Context
The 2013 model year is the final year of the Chevrolet Silverado 1500 Extended Cab's 6x139.7 bolt pattern run (since 1999). Wheels from any 1999–2013 Chevrolet Silverado 1500 Extended Cab are cross-compatible with the 2013 model.
Chevrolet Silverado 1500 Extended Cab Bolt Pattern by Year
The table below shows how the Silverado 1500 Extended Cab's wheel specifications have changed over the years. The 2013 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1999 | 6x139.7 | 78.1 | 16 |
| 2000 | 6x139.7 | 78.1 | 16 |
| 2001 | 6x139.7 | 78.1 | 16 |
| 2002 | 6x139.7 | 78.1 | 16 |
| 2003 | 6x139.7 | 78.1 | 16 |
| 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 |
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 2013 Chevrolet Silverado 1500 Extended Cab
For your 2013 Chevrolet Silverado 1500 Extended Cab, the 6x139.7 bolt pattern and 78.1mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 78.3mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The factory offset is 26mm; deviations beyond ±10mm may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (14x1.50) and seat type (cone or ball) to avoid wheel loosening. Never reuse old lug nuts; torque to spec (140 ft-lbs) and re-torque after 50 miles.
Historical Fitment Data Reference
In our dataset, Chevrolet Silverado 1500 Extended Cab appears from 1999 to 2013 (15 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: 10.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50 miles of driving to account for settling.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and stress on studs.
- ✅ Check inner clearance for aftermarket wheels; offset changes may contact brake calipers or suspension components.
- ⚠️ 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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2013 Chevrolet Silverado 1500 Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2013 Chevrolet Silverado 1500 Extended Cab?
The 2013 Chevrolet Silverado 1500 Extended Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 26mm.
What other years of Chevrolet Silverado 1500 Extended Cab have the same bolt pattern as the 2013?
The Chevrolet Silverado 1500 Extended Cab uses the 6x139.7 pattern from 1999 through 2013. Wheels from any of these model years are dimensionally compatible with the 2013, provided the offset and center bore also match.
Will wheels from another Chevrolet fit my 2013 Silverado 1500 Extended Cab?
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.
Why is matching the 78.1mm center bore important for the 2013 Silverado 1500 Extended Cab?
The 78.1mm 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 center bore of a 2013 Chevrolet Silverado 1500 Extended Cab?
The factory center bore (hub bore) for the 2013 Chevrolet Silverado 1500 Extended Cab is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the factory wheel offset for a 2013 Chevrolet Silverado 1500 Extended Cab?
The OEM offset for the 2013 Silverado 1500 Extended Cab is typically around 26mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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