Put safety first with STEMCO Seals, Bearings & Hub Caps for your fleet. Our products are engineered to save you money and last longer.

STEMCO’s has a rich history of engineering and manufacturing products designed specifically for the commercial vehicle industry. Since 1951, we’ve been developing products for use across a wide range of heavy-duty applications—truck, trailer, heavy haul, agriculture, refuse, bus & coach, fire & rescue, construction & utility.

STEMCO Technology Help Line 800-527-8492. Quick Links . Find a Distributor ...

Protect your fleet and other vehicles on the road with STEMCO QwikKit ® King Pin Kits. With higher impact strength, improved durability and more consistent lubrication, QwikKit King Pin Kits last up to four times longer than OE or aftermarket king pins.

Pre-adjusted hub assemblies, hub caps, axle fastening nuts, bearings, seals by STEMCO® provide unrivaled confidence and the most reliable wheel end products.

We’ve developed an exclusive online training portal—STEMCO University—so your teams are able to virtually experience the benefits of our in-person training, on-demand. Watch training videos, take corresponding quizzes, and obtain official certificates of completion.

Contact STEMCO for questions or comments on our wheel end and suspension products.

STEMCO has provided the trucking industry with reliable wheel seals for more than 60 years. We have recognized the need for tougher, longer-life seals that meet the performance, design and price requirements for any fleet.

Make sure you’re using genuine STEMCO parts. STEMCO authorized distributors have the parts you need to put safety first. Enter your zip code in the field below to find your nearest location.

You finished Part 1 of the TQM Wheel End Training course. To continue to the Part 2 TQM Wheel End videos, please click one of the TAKE COURSE buttons below.. To rewatch the Part 1 TQM Wheel End Video, close this pop-up by clicking the X in the top right corner.. To return to the home screen and select another video, click BACK TO STEMCO UNIVERSITY.