2018 Chevrolet Silverado 1500 Double Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2018 Chevrolet Silverado 1500 Double 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.
2018 Silverado 1500 Double Cab — Year-Specific Fitment Context
The 2018 Chevrolet Silverado 1500 Double Cab is in year 5 of 11 using the 6x139.7 pattern (2014–2024). Wheels from any 2014–2024 Chevrolet Silverado 1500 Double Cab are cross-compatible with the 2018 model.
Chevrolet Silverado 1500 Double Cab Bolt Pattern by Year
The table below shows how the Silverado 1500 Double Cab's wheel specifications have changed over the years. The 2018 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 2018 Chevrolet Silverado 1500 Double Cab
For your 2018 Chevrolet Silverado 1500 Double 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 or 106.1mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The factory offset is 26mm; deviations affect scrub radius and clearance. Avoid offsets below 0mm or above 40mm without verification. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—conical (60-degree) for aftermarket wheels or ball seat for factory wheels. Improper lug nuts can cause wheel loss. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Chevrolet Silverado 1500 Double Cab appears from 2014 to 2024 (10 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 to 140 ft-lbs after 50-100 miles of driving.
- ✅ Aftermarket wheels with a center bore larger than 78.1mm require hub-centric rings; plastic rings are acceptable for street use.
- ✅ Verify wheel clearance with brake calipers and suspension components, especially with offset changes beyond ±10mm.
- ⚠️ 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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2018 Chevrolet Silverado 1500 Double Cab — Frequently Asked Questions
What is the bolt pattern for a 2018 Chevrolet Silverado 1500 Double Cab?
The 2018 Chevrolet Silverado 1500 Double 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 Double Cab have the same bolt pattern as the 2018?
The Chevrolet Silverado 1500 Double Cab uses the 6x139.7 pattern from 2014 through 2024. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
What lug nut size does the 2018 Chevrolet Silverado 1500 Double Cab use?
The 2018 Chevrolet Silverado 1500 Double Cab uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Can I use spacers on my 2018 Chevrolet Silverado 1500 Double Cab?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 78.1mm center bore. Also verify that you have enough thread engagement for your N 14x1.50 hardware.
What is the factory wheel offset for a 2018 Chevrolet Silverado 1500 Double Cab?
The OEM offset for the 2018 Silverado 1500 Double Cab is typically around 26mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Do 2018 Chevrolet Silverado 1500 Double Cabs use lug bolts or lug nuts?
The 2018 Silverado 1500 Double Cab requires N 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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