1992 Chevrolet Suburban 2500 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1992 Chevrolet Suburban 2500, 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) | 21 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1992 Suburban 2500 — Year-Specific Fitment Context
The 1992 model year marks the beginning of the Chevrolet Suburban 2500's 6x139.7 bolt pattern era, which continued through 1996 (5 consecutive years). Wheels from any 1992–1996 Chevrolet Suburban 2500 are cross-compatible with the 1992 model. Across its full production run (1992–2013), the Suburban 2500 has also used: 8x165.1, 8x180.
Chevrolet Suburban 2500 Bolt Pattern by Year
The table below shows how the Suburban 2500's wheel specifications have changed over the years. The 1992 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 1992 | 6x139.7 | 78.1 | 21 |
| 1993 | 6x139.7 | 78.1 | 21 |
| 1994 | 6x139.7 | 78.1 | 21 |
| 1995 | 6x139.7 | 78.1 | 21 |
| 1996 | 6x139.7 | 78.1 | 21 |
| 1997 | 8x165.1 | 116.6 | 26 |
| 1998 | 8x165.1 | 116.6 | 26 |
| 1999 | 8x165.1 | 116.6 | 26 |
| 2000 | 8x165.1 | 116.6 | 26 |
| 2001 | 8x165.1 | 116.6 | 26 |
| 2002 | 8x165.1 | 116.6 | 26 |
| 2003 | 8x165.1 | 116.6 | 26 |
| 2004 | 8x165.1 | 116.6 | 26 |
| 2005 | 8x165.1 | 116.6 | 26 |
| 2006 | 8x165.1 | 116.6 | 26 |
| 2007 | 8x165.1 | 116.6 | 26 |
| 2008 | 8x165.1 | 116.6 | 26 |
| 2009 | 8x165.1 | 116.6 | 26 |
| 2010 | 8x165.1 | 116.6 | 26 |
| 2011 | 8x165.1 | 116.6 | 26 |
| 2012 | 8x180 | 124.1 | 42 |
| 2013 | 8x180 | 124.1 | 42 |
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 1992 Chevrolet Suburban 2500
For the 1992 Chevrolet Suburban 2500, the 78.1mm center bore is critical for hub-centric fitment. Aftermarket wheels with larger bores require hub-centric rings to prevent vibration and ensure load is carried by the hub, not the lug nuts. The factory offset is 21mm; deviations beyond ±10mm may cause rubbing or clearance issues with suspension and body components. Always verify lug nut thread pitch (14x1.50) and seat type—use conical (60-degree) seat nuts for aftermarket wheels. Never use ball-seat nuts on conical wheels, as this can lead to loosening. Proper torque (140 ft-lbs) and re-torquing after 50 miles are essential for safety.
Historical Fitment Data Reference
In our dataset, Chevrolet Suburban 2500 appears from 1992 to 2013 (22 model years). Across model years, this model appears with 3 bolt patterns (6x139.7, 8x165.1, 8x180).
- Observed bolt-pattern variants for this model: 3
- Observed center-bore variants for this model: 3
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 21.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50 miles of driving to account for wheel settlement.
- ✅ When using aftermarket wheels, ensure hub-centric rings match the 78.1mm hub bore to prevent vibrations.
- ✅ Avoid wheels with offset below 11mm or above 31mm to prevent rubbing on brake calipers or fenders.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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1992 Chevrolet Suburban 2500 — Frequently Asked Questions
What is the bolt pattern for a 1992 Chevrolet Suburban 2500?
The 1992 Chevrolet Suburban 2500 uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 21mm.
What other years of Chevrolet Suburban 2500 have the same bolt pattern as the 1992?
The Chevrolet Suburban 2500 uses the 6x139.7 pattern from 1992 through 1996. Wheels from any of these model years are dimensionally compatible with the 1992, provided the offset and center bore also match.
What is the PCD for a 1992 Chevrolet Suburban 2500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1992 Suburban 2500, the PCD is 6x139.7.
Why is matching the 78.1mm center bore important for the 1992 Suburban 2500?
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 factory wheel offset for a 1992 Chevrolet Suburban 2500?
The OEM offset for the 1992 Suburban 2500 is typically around 21mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
How tight should I torque the lug nuts on a 1992 Chevrolet Suburban 2500?
Refer to your owner's manual for exact specs, but always tighten the N 14x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
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