1994 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 1994 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.
1994 Suburban 2500 — Year-Specific Fitment Context
The 1994 Chevrolet Suburban 2500 is in year 3 of 5 using the 6x139.7 pattern (1992–1996). Wheels from any 1992–1996 Chevrolet Suburban 2500 are cross-compatible with the 1994 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 1994 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 1994 Chevrolet Suburban 2500
For your 1994 Chevrolet Suburban 2500, the 6x139.7 bolt pattern and 78.1mm center bore are critical. Aftermarket wheels often have a larger center bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The factory offset is 21mm; deviations beyond ±10mm may cause rubbing or clearance issues. Always verify lug nut thread pitch (14x1.50) and seat type—use conical (60-degree) or ball-seat nuts as specified. Never mix seat types. Re-torque after 50-100 miles. Wheels from 1992-1996 Suburban 2500 are direct fit; later models use different patterns (8x165.1, 8x180) and are incompatible.
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
- ✅ Always use hub-centric rings if aftermarket wheels have a larger center bore than 78.1mm to avoid vibrations.
- ✅ Stick to offset within 21mm ±10mm; lower offset pushes wheels outward, risking fender rub, while higher offset may contact suspension.
- ✅ Re-torque lug nuts to 140 ft-lbs after 50-100 miles; use a torque wrench and check periodically.
- ⚠️ 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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1994 Chevrolet Suburban 2500 — Frequently Asked Questions
What is the bolt pattern for a 1994 Chevrolet Suburban 2500?
The 1994 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 1994?
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 1994, provided the offset and center bore also match.
What is the factory wheel offset for a 1994 Chevrolet Suburban 2500?
The OEM offset for the 1994 Suburban 2500 is typically around 21mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the PCD for a 1994 Chevrolet Suburban 2500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1994 Suburban 2500, the PCD is 6x139.7.
Can I use spacers on my 1994 Chevrolet Suburban 2500?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 78.1mm center bore. Also verify that you have enough thread engagement for your N 14x1.50 hardware.
What does 21mm offset mean for the 1994 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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