2019 Ram 1500 Classic Quad Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2019 Ram 1500 Classic Quad Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 77.8 mm |
| Offset (ET) | 19 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2019 1500 Classic Quad Cab — Year-Specific Fitment Context
The 2019 model year marks the beginning of the Ram 1500 Classic Quad Cab's 6x139.7 bolt pattern era, which continued through 2023 (5 consecutive years). Wheels from any 2019–2023 Ram 1500 Classic Quad Cab are cross-compatible with the 2019 model.
Ram 1500 Classic Quad Cab Bolt Pattern by Year
The table below shows how the 1500 Classic Quad Cab's wheel specifications have changed over the years. The 2019 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 2019 Ram 1500 Classic Quad Cab
For the 2019 Ram 1500 Classic Quad Cab, the 6x139.7 bolt pattern is shared across 2019–2023 models, ensuring broad wheel compatibility. Critical to proper fitment is the 77.8mm center bore; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure load is carried by the hub, not the lug nuts. Offset is sensitive: the factory 19mm offset maintains proper scrub radius and suspension geometry. Deviating significantly can cause rubbing or bearing wear. Always use lug nuts with the correct 14x1.5 thread pitch and seat type (factory uses cone seat). Mixing seat types (e.g., ball seat) can lead to wheel loosening. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, Ram 1500 Classic Quad Cab appears from 2019 to 2023 (5 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 to 130 ft-lbs after 50 miles of driving, then periodically check.
- ✅ When using aftermarket wheels, verify hub-centric ring inner diameter matches 77.8mm and outer diameter matches wheel bore.
- ✅ Avoid spacers unless necessary; if used, ensure they are hub-centric and do not exceed 5mm to maintain adequate thread engagement.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2019 Ram 1500 Classic Quad Cab — Frequently Asked Questions
What is the bolt pattern for a 2019 Ram 1500 Classic Quad Cab?
The 2019 Ram 1500 Classic Quad Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 77.8mm and the offset is 19mm.
What other years of Ram 1500 Classic Quad Cab have the same bolt pattern as the 2019?
The Ram 1500 Classic Quad Cab uses the 6x139.7 pattern from 2019 through 2023. Wheels from any of these model years are dimensionally compatible with the 2019, provided the offset and center bore also match.
What lug nut size does the 2019 Ram 1500 Classic Quad Cab use?
The 2019 Ram 1500 Classic Quad Cab uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 2019 Ram 1500 Classic Quad Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2019 1500 Classic Quad Cab, the PCD is 6x139.7.
How tight should I torque the lug nuts on a 2019 Ram 1500 Classic Quad Cab?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Do 2019 Ram 1500 Classic Quad Cabs use lug bolts or lug nuts?
The 2019 1500 Classic Quad Cab requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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