
Stemco Trifecta Pre-Adjusted Hub Assembly
STEMCO is excited to introduce the Trifecta™ Pre-Adjusted Hub Assembly. This new world-class wheel end system combines premiere STEMCO wheel end technologies with the trusted Webb® hub in a single, pre-adjusted assembly, ensuring a faster, more secure installation. Trifecta eliminates the need to purchase, install and adjust separate wheel end components and fasteners while maximizing reliability and uptime.

Product Highlights
Simple Installation. Total Peace of Mind.
- Designed for fleets that value component longevity between service intervals and keeping time in the service bay as brief as possible, the Trifecta hub assembly represents the peak of durability and simplicity—the toughest, most resilient wheel end components united in an easy-to-install package.
Safety
- Provides quick and easy installation with no bearing adjustment required.
- Includes Zip-Torq® axle fastener featuring a unitized design with no additional clips, keepers, snap rings or screws, increasing simplicity for technicians.
Confidence
- Features industry-standard components manufactured by STEMCO & Webb Wheel.
- Backed by STEMCO support nationwide, including on-site training and certification, TMC-approved procedures and a 5-year/500,000 mile parts and labor OEM warranty.
Performance
- Discover® XR is a high-performance seal that provides quick and easy installation and long life. The seal ID includes patent-pending GlideLock™ technology, significantly reducing installation force by 50% with no prelube required— the first of its kind in the industry.
- The Discover XR seal utilizes a 4-zone labyrinth and slinger, combined with a Defender ESP™ hub cap, providing unmatched contamination exclusion.
- STEMCO manufactured precision bearings exceed ABMA performance and durability standards, and are included in OEM long-life wheel end systems.
Top Movers
PART NUMBER | STEMCO NUMBER | DESCRIPTION |
---|---|---|
STM 453 0136 | 453-0136 | FF 5.44" DFLAT, 14.6 K, 2.74" WHEEL STUD , IRON HUB, W ABS |
STM 453 0137 | 453-0137 | FF 5.44" TANG, 14.6 K, 2.74" WHEEL STUD , IRON HUB, W ABS |
STM 453 0173 | 453-0173 | R, 40 K, 3.15" WHEEL STUD , IRON LONG HUB, W ABS |
STM 453 0236 | 453-0236 | FF 5.44" DFLAT, 14.6 K, 3.19" WHEEL STUD , IRON HUB, W ABS |
STM 453 0237 | 453-0237 | FF 5.44" TANG, 14.6 K, 3.19" WHEEL STUD , IRON HUB, W ABS |
STM 453 0273 | 453-0273 | R, 40 K, 4.06" WHEEL STUD , IRON LONG HUB, W ABS |
NOTE: Part numbers are available for truck & Trailer applications and are approved for oil bath applications only.
Failure to run Trifecta wheel end systems with oil will result in loss of warranty.
General Product Information
Warranty Information
Features industry-standard components manufactured by STEMCO & Webb Wheel. Backed bySTEMCO support nationwide, including on-site training and certification, TMC-approved procedures and a 5-year/500,000 mile parts and labor OEM warranty.