2004 Chevrolet Silverado 3500 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 2004 Chevrolet Silverado 3500 Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 116.6 mm |
| Offset (ET) | 12 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
2004 Silverado 3500 Extended Cab — Year-Specific Fitment Context
The 2004 Chevrolet Silverado 3500 Extended Cab is in year 4 of 6 using the 8x165.1 pattern (2001–2006). Wheels from any 2001–2006 Chevrolet Silverado 3500 Extended Cab are cross-compatible with the 2004 model.
Chevrolet Silverado 3500 Extended Cab Bolt Pattern by Year
The table below shows how the Silverado 3500 Extended Cab's wheel specifications have changed over the years. The 2004 model year is highlighted.
8x165.1 Pattern Context
This bolt pattern appears on 846 vehicles in our current database and is considered common.
Examples of other vehicles using 8x165.1:
Expert Buying Guide for 2004 Chevrolet Silverado 3500 Extended Cab
For your 2004 Chevrolet Silverado 3500 Extended Cab, the 8x165.1 bolt pattern is shared with 2001–2006 models. The 116.6mm center bore requires hub-centric rings for aftermarket wheels to prevent vibration and hub damage. Offset is critical: stick to 12mm ±5mm to avoid rubbing or clearance issues. Always use lug nuts with the correct thread pitch (14x1.50) and seat type (conical/ball seat) to ensure proper clamping force. Mismatched lug nuts can cause wheel separation. Verify wheel load rating exceeds your vehicle's GVWR. Safety first: improper fitment compromises handling and braking.
Historical Fitment Data Reference
In our dataset, Chevrolet Silverado 3500 Extended Cab appears from 2001 to 2006 (6 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: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50 miles of driving to maintain clamping force.
- ✅ Avoid wheels with a center bore larger than 116.6mm without hub rings; vibration and stud stress may result.
- ✅ Check for caliper clearance: aftermarket wheels with offset beyond 12mm may contact brake components.
- ⚠️ 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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2004 Chevrolet Silverado 3500 Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2004 Chevrolet Silverado 3500 Extended Cab?
The 2004 Chevrolet Silverado 3500 Extended Cab uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 116.6mm and the offset is 12mm.
What other years of Chevrolet Silverado 3500 Extended Cab have the same bolt pattern as the 2004?
The Chevrolet Silverado 3500 Extended Cab uses the 8x165.1 pattern from 2001 through 2006. Wheels from any of these model years are dimensionally compatible with the 2004, provided the offset and center bore also match.
What lug nut size does the 2004 Chevrolet Silverado 3500 Extended Cab use?
The 2004 Chevrolet Silverado 3500 Extended 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 2004 Chevrolet Silverado 3500 Extended Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2004 Silverado 3500 Extended Cab, the PCD is 8x165.1.
Why is matching the 116.6mm center bore important for the 2004 Silverado 3500 Extended Cab?
The 116.6mm 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.
Do 2004 Chevrolet Silverado 3500 Extended Cabs use lug bolts or lug nuts?
The 2004 Silverado 3500 Extended Cab requires N 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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