Commercial trucking can put enormous demands on wheel end components. Built to withstand the harshest conditions, the STEMCO® Defender™ hub cap is made from an ultra-durable, corrosion-free, composite material and is available with a permanently bonded, leak-proof window.
Has Prerequisite
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TQM Wheel End Part 2 – Grit Guard® Installation
Requires TQM Wheel End Training Part 1