1992 Isuzu Regular Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1992 Isuzu Regular Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 100.1 mm |
| Offset (ET) | 38 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1992 Regular Cab — Year-Specific Fitment Context
The 1992 model year marks the beginning of the Isuzu Regular Cab's 6x139.7 bolt pattern era, which continued through 1995 (4 consecutive years). Wheels from any 1992–1995 Isuzu Regular Cab are cross-compatible with the 1992 model.
Isuzu Regular Cab Bolt Pattern by Year
The table below shows how the Regular Cab's wheel specifications have changed over the years. The 1992 model year is highlighted.
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 Isuzu Regular Cab
For your 1992 Isuzu Regular Cab, the 6x139.7 bolt pattern is shared with 1992–1995 models, ensuring cross-compatibility. The 100.1mm center bore is critical; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is sensitive—stick to 38mm ±10mm to avoid rubbing or clearance issues. Always use the correct 12x1.5 lug nuts with the proper seat type (cone or ball) to match the wheel; mismatched seats can cause loosening. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, Isuzu Regular Cab appears from 1992 to 1995 (4 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 50–100 miles of driving to maintain clamping force.
- ✅ Check for clearance between the wheel and brake calipers, especially with aftermarket wheels.
- ✅ Use a torque wrench set to 85–100 ft-lbs; never exceed 100 ft-lbs to avoid stud damage.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 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.
1992 Isuzu Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 1992 Isuzu Regular Cab?
The 1992 Isuzu Regular Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 100.1mm and the offset is 38mm.
What other years of Isuzu Regular Cab have the same bolt pattern as the 1992?
The Isuzu Regular Cab uses the 6x139.7 pattern from 1992 through 1995. Wheels from any of these model years are dimensionally compatible with the 1992, provided the offset and center bore also match.
Why is matching the 100.1mm center bore important for the 1992 Regular Cab?
The 100.1mm 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 lug nut size does the 1992 Isuzu Regular Cab use?
The 1992 Isuzu Regular Cab uses 12x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 1992 Isuzu Regular Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1992 Regular Cab, the PCD is 6x139.7.
How do I measure the bolt pattern on my 1992 Isuzu?
The 1992 Regular Cab uses a 6x139.7 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.
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