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Increase your performance and peace of mind

With the Platinum Performance System™, you can extend your aftermarket wheel end performance to three years beyond the OEM warranty with unlimited mileage for tractors and trailers. It is available for four different axle types and consists of a Guardian® HP or Discover® seal, Pro-Torq® axle spindle nut, Defender Sentinel® hub cap and STEMCO heavy duty bearings. Together, these products deliver the ultimate in wheel end performance and protection, increasing your confidence in the safety and durability of your fleet.

If new or relined STEMCO brake shoes are used in conjunction with the Platinum Performance System, lined shoes that have been exposed to oil contamination will be covered or replaced. For STEMCO brakes not covered by the PPS System, the length of the lining warranty against oil contamination will be the warranty period of the STEMCO seal. 

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