Shop Peterbilt 379 Hub Adapters

Transform your ride with top-notch Peterbilt 379 hub adapters. Shop black, chrome, and aluminum adapters in 3 and 5-hole options. At 4 State Trucks, you can find the perfect aftermarket hub adapter for a great price.

Peterbilt 379 Hub Adapters

Peterbilt 379 Hub Adapters seamlessly connect your steering wheel and steering column within your Peterbilt. They feature a range of bolt patterns, shaft sizes, and spline counts to accommodate different model specifications. With their sturdy construction and attention to detail, our aftermarket hub adapters are a must-have accessory for Peterbilt and Kenworth enthusiasts who want to enhance the style and functionality of their vehicles. If you want even more extensive aftermarket upgrades, consider getting affordable windshield accessories, interior Peterbilt dashboard components, or aftermarket side-door trim and upholstery.

Frequently Asked Questions About Peterbilt 379 Hub Adapters

Will these hub adapters fit my specific year Peterbilt 379, and are they compatible with both aluminum and steel wheels?

Our hub adapters are designed to fit Peterbilt 379 models from 1987 through 2007. They work with both aluminum and steel wheels, converting from the standard 10-lug hub-piloted setup to either 10-lug stud-piloted or 8-lug configurations. Always verify your current wheel bolt pattern and desired conversion type before ordering. If you have a pre-1987 or custom setup, contact our support team for compatibility confirmation.

What thickness options are available, and how do they affect my track width and turning radius?

We offer hub adapters in 2-inch, 3-inch, and 4-inch thicknesses. Each inch of adapter thickness adds 2 inches to your overall track width (1 inch per side). For example, 3-inch adapters will push your wheels out 3 inches on each side, widening your stance by 6 inches total. This can affect turning radius and may require fender modifications on some trucks. Most customers running standard 11R24.5 or 285/75R24.5 tires choose 2-3 inch adapters without clearance issues.

Are special extended wheel studs included, and what grade hardware comes with the adapters?

Yes, each set includes the appropriate extended Grade 8 wheel studs needed for safe installation. The studs are sized to accommodate the adapter thickness plus your wheel depth, ensuring proper thread engagement. All mounting hardware is included: hub-to-adapter bolts, extended wheel studs, and installation instructions. The adapters themselves are precision-machined from 6061-T6 aluminum with a hub-centric design for proper load distribution.

Do I need to recalibrate my speedometer after installing hub adapters, and will they affect my GVWR?

Hub adapters themselves do not affect speedometer calibration since they don't change your tire diameter or gear ratios. However, the added width may require alignment adjustments. Regarding GVWR, while the adapters add approximately 15-20 pounds per wheel position, this weight is negligible for commercial applications. Always ensure your total wheel and tire package stays within your axle weight ratings.

Can I install these myself, and what tools are required?

Installation requires mechanical experience and proper tools including a torque wrench capable of 450-500 ft-lbs, jack stands rated for commercial trucks, and basic hand tools. The process takes 2-3 hours per axle. Critical steps include cleaning hub surfaces, applying anti-seize to mating surfaces, and following the specific torque sequence provided. We recommend professional installation if you're not experienced with heavy truck wheel systems, as improper installation can cause wheel separation.