2018 Chevrolet Silverado 3500 HD 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 3500 HD Double Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x180 |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 124.1 mm |
| Offset (ET) | 42 |
| Torque Specs | 140 ft-lbs (190 Nm) |
2018 Silverado 3500 HD Double Cab — Year-Specific Fitment Context
The 2018 Chevrolet Silverado 3500 HD Double Cab is in year 4 of 10 using the 8x180 pattern (2015–2024). Wheels from any 2015–2024 Chevrolet Silverado 3500 HD Double Cab are cross-compatible with the 2018 model.
Chevrolet Silverado 3500 HD Double Cab Bolt Pattern by Year
The table below shows how the Silverado 3500 HD Double Cab's wheel specifications have changed over the years. The 2018 model year is highlighted.
8x180 Pattern Context
This bolt pattern appears on 247 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 8x180:
Expert Buying Guide for 2018 Chevrolet Silverado 3500 HD Double Cab
For your 2018 Chevrolet Silverado 3500 HD Double Cab, the 8x180 bolt pattern and 124.1mm center bore are critical. Aftermarket wheels must match the center bore exactly or use hub-centric rings to prevent vibration and ensure load is on the hub, not the lugs. The offset is sensitive; stock is 42mm. Deviating more than ±10mm may cause rubbing or clearance issues with brakes/suspension. Always use the correct lug nuts: 14x1.50 thread pitch with a cone seat (60-degree taper). Never use ball-seat lug nuts on this vehicle; they can loosen and cause wheel loss. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Chevrolet Silverado 3500 HD Double Cab appears from 2015 to 2024 (7 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: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 2.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50-100 miles of driving.
- ✅ Ensure aftermarket wheels have a minimum load rating of 3,500 lbs per wheel for HD use.
- ✅ Check for caliper clearance; some aftermarket wheels may require spacers or grinding.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 Nm), then re-check torque after 50-100 km (30-60 miles).
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2018 Chevrolet Silverado 3500 HD Double Cab — Frequently Asked Questions
What is the bolt pattern for a 2018 Chevrolet Silverado 3500 HD Double Cab?
The 2018 Chevrolet Silverado 3500 HD Double Cab uses a 8x180 bolt pattern (also called lug pattern or PCD). The center bore is 124.1mm and the offset is 42mm.
What other years of Chevrolet Silverado 3500 HD Double Cab have the same bolt pattern as the 2018?
The Chevrolet Silverado 3500 HD Double Cab uses the 8x180 pattern from 2015 through 2024. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
What does 42mm offset mean for the 2018 Silverado 3500 HD Double Cab?
An offset of 42mm means the wheel's mounting surface is 42mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
Will wheels from another Chevrolet fit my 2018 Silverado 3500 HD Double Cab?
Only if they share the exact same 8x180 bolt pattern, a compatible offset, and a center bore equal to or larger than 124.1mm.
What lug nut size does the 2018 Chevrolet Silverado 3500 HD Double Cab use?
The 2018 Chevrolet Silverado 3500 HD Double Cab uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 2018 Chevrolet Silverado 3500 HD Double Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2018 Silverado 3500 HD Double Cab, the PCD is 8x180.
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