The Gates Polyester FleetRunner Micro-V Serpentine Drive Belt is designed to provide superior performance and reliability. This belt is constructed with a special compound that provides unmatched flexibility, stability, load carrying capacity and belt life. It is also made with a patented material that provides peak performance at prolonged extreme operating temperatures. The heavy duty construction resists cracking and wear even at extreme temperatures and is highly resistant to oil, heat, ozone and abrasion for long lasting performance. FleetPride is your First Click in Heavy Duty®.