1993 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 1993 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.
1993 Suburban 2500 — Year-Specific Fitment Context
The 1993 Chevrolet Suburban 2500 is in year 2 of 5 using the 6x139.7 pattern (1992–1996). Wheels from any 1992–1996 Chevrolet Suburban 2500 are cross-compatible with the 1993 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 1993 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 1993 Chevrolet Suburban 2500
For your 1993 Chevrolet Suburban 2500, the 78.1mm center bore is critical. Aftermarket wheels often have a larger bore; use hub-centric rings to prevent vibration and ensure proper load distribution. The 21mm offset is sensitive; deviations affect suspension geometry and tire clearance. Always verify offset to avoid rubbing or poor handling. Safety warning: Use only lug nuts with 14x1.50 thread pitch and the correct seat (cone or ball). Mismatched lug nuts can cause wheel separation. Wheels from 1992–1996 Suburban 2500 are direct fit. Avoid wheels from later models (8x165.1 or 8x180) without adapters.
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 ensure proper seating.
- ✅ When using hub-centric rings, ensure they are made of metal (not plastic) for durability and heat resistance.
- ✅ Check inner clearance for brake calipers and suspension components when changing offset; a 21mm offset is optimal for stock fitment.
- ⚠️ 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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1993 Chevrolet Suburban 2500 — Frequently Asked Questions
What is the bolt pattern for a 1993 Chevrolet Suburban 2500?
The 1993 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 1993?
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 1993, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 1993 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.
What is the center bore of a 1993 Chevrolet Suburban 2500?
The factory center bore (hub bore) for the 1993 Chevrolet Suburban 2500 is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What lug nut size does the 1993 Chevrolet Suburban 2500 use?
The 1993 Chevrolet Suburban 2500 uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What does 21mm offset mean for the 1993 Suburban 2500?
An offset of 21mm means the wheel's mounting surface is 21mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
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