2002 GMC Sierra 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 2002 GMC Sierra 3500 Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 116.7 mm |
| Offset (ET) | 20-40 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
2002 Sierra 3500 Extended Cab — Year-Specific Fitment Context
The 2002 GMC Sierra 3500 Extended Cab is in year 2 of 6 using the 8x165.1 pattern (2001–2006). Wheels from any 2001–2006 GMC Sierra 3500 Extended Cab are cross-compatible with the 2002 model.
GMC Sierra 3500 Extended Cab Bolt Pattern by Year
The table below shows how the Sierra 3500 Extended Cab's wheel specifications have changed over the years. The 2002 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 2002 GMC Sierra 3500 Extended Cab
For your 2002 GMC Sierra 3500 Extended Cab, the 8x165.1 bolt pattern is shared with 2001–2006 models. The 116.7mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load transfer. Offset must stay within 20-40mm; deviations risk rubbing on suspension or fenders. Always use 14x1.5 lug nuts with the correct seat—cone seat for most aftermarket wheels, ball seat for GM factory wheels. Mismatched seats cause loose wheels and potential failure. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, GMC Sierra 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: 60.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50-100 miles of driving.
- ✅ Verify wheel bore diameter; if larger than 116.7mm, install hub-centric rings.
- ✅ Check offset carefully: too low (under 20mm) may contact brake calipers; too high (over 40mm) may rub fenders.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 Nm), then re-check torque after 50-100 km (30-60 miles).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
2002 GMC Sierra 3500 Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2002 GMC Sierra 3500 Extended Cab?
The 2002 GMC Sierra 3500 Extended Cab uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 116.7mm and the offset is 20-40mm.
What other years of GMC Sierra 3500 Extended Cab have the same bolt pattern as the 2002?
The GMC Sierra 3500 Extended Cab uses the 8x165.1 pattern from 2001 through 2006. Wheels from any of these model years are dimensionally compatible with the 2002, provided the offset and center bore also match.
How do I measure the bolt pattern on my 2002 GMC?
The 2002 Sierra 3500 Extended Cab uses a 8x165.1 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 2002 GMC Sierra 3500 Extended Cab?
The factory center bore (hub bore) for the 2002 GMC Sierra 3500 Extended Cab is 116.7mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What lug nut size does the 2002 GMC Sierra 3500 Extended Cab use?
The 2002 GMC Sierra 3500 Extended Cab uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Will wheels from another GMC fit my 2002 Sierra 3500 Extended Cab?
Only if they share the exact same 8x165.1 bolt pattern, a compatible offset, and a center bore equal to or larger than 116.7mm.
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset