About Us

STEMCO has been supplying a diverse line of high performance systems and components to the commercial vehicle industry since 1951. Our mission is to engineer advanced commercial vehicle solutions and create exceptional customer experiences in our passion of Making The Roadways Safer®. STEMCO is consistently recognized as a world-class manufacturer of innovative and exciting commercial vehicle solutions. The values of safety, excellence and respect drive everything that STEMCO and parent company EnPro Industries (NYSE: NPO) do.

Trust, training, support, and focused innovation are just a few of our value drivers at STEMCO. Increasing fleet safety, performance expectations, ROI and fuel efficiency are our specialties – and with over 21 new product launches in the last five years alone, customer driven solutions are helping to drive innovation.


Broad Range of Products

  • Wheel End Components
    • - Reliable and durable seals, fasteners, bearings, hubcaps, spindle fasteners and mileage counters
  • Brake Products
    • - High quality, application specific braking solutions including brake pads, drums and adjusters
  • STEMCO Equipment
    • - Easy-to-use tire, axle, balancing and alignment maintenance equipment
  • Suspension Products
    • - Long lasting, easy-to-install suspension products including pin kits, spring pings, polyurethane suspensions and mount and blocking components
  • Innovative Tire & Mileage Solutions
    • - Fuel efficiency and tire longevity products including TrailerTail® by STEMCO, trailer skirts, tire inflation systems for trailers and tire pressure monitoring systems


A Higher Standard of Performance℠

STEMCO is proud to have one of the largest sales forces in the commercial vehicle manufacturing industry. Our unique, on-site and hands-on training for commercial fleets and repair shops is second-to-none and gives our customers the knowledge they need to reduce operating costs and improve roadway safety. Our technician certification training for brake, suspension and wheel-end products gives STEMCO the ability to work in tandem with end users to ensure optimal performance for any fleet.


A Global Brand

Along with corporate offices in Longview, Texas, STEMCO operates manufacturing facilities in Texas, Georgia, Michigan, New York, Tennessee, Kentucky, California and China. Our centralized distribution centers in the US, Canada, Mexico, Australia and China ensure we’re Making the Roadways Safer® in countries all around the world.

STEMCO is a division on EnPro Industries, Inc. (NYSE: NPO), a leader in sealing products, metal polymer bearings, compressor systems and other engineered products for use in critical applications by industries worldwide.


STEMCO High Performance Products:

  • Wheel End oil bath and grease seals
  • Pinion seals
  • Hub Caps
  • Bearings
  • Pro-Torq spindle fasteners
  • Mechanical and electronic mileage counting devices
  • Bat RF electronic tire pressure monitoring & mileage acquisition
  • Aeris automated tire inflation systems
  • King Pin Kits
  • Suspension Products (spring pins, bushings, torque rods, etc)
  • STEMCO APE alignment and wheel balancing equipment
  • Brake Products – friction, new brake shoes, brake drums and automatic brake adjusters
  • PPS and PPS+ Long Life Wheel End Systems
  • Wheel end certification training for: brakes, suspension and wheel end


STEMCO Markets:

  • Truck and trailer original equipment manufacturers
  • Fleets, repair facilities and owner operators
  • Independent distributors and original equipment service facilities
  • Vocational markets (transit bus, school bus, refuse, off-road, construction, etc.)


STEMCO Brands:

  • Grit Guard®
  • Guardian®  HP
  • Voyager®
  • Discover®
  • Endeavor®
  • Pro-Torq®
  • Sentinel®
  • DataTrac® and DataTrac® Pro
  • Aeris® Automated Tire Inflation
  • BAT RF®
  • TrailerTail®
  • EcoSkirt®
  • SuperSpare™
  • STEMCO Kaiser
  • Qwik Kit
  • Plus Kit
  • APE
  • Econo Kit
  • LubraFlex®
  • BSA
  • BSP
  • STEMCO Brake Products
  • STEMCO Duroline
  • STEMCO New Lined Brake Shoes
  • STEMCO Motor Wheel
  • STEMCO Crewson
  • Defender