Quantum replacement fuel pumps modules assemblies and kit components are designed to meet or exceed OEM specifications and feature upgrades that improve on the OEM design. Upgraded polymers brushes and commutators ensure long life and durability in multiple fuel blends. OEM or better performance Polished corrosion-resistant case to help minimize seizing during non-operation Specifically designed for quiet operation Drop-in replacement Gradient density fuel strainer for superior contaminant filtration Patented check valve technology Compatible with modern ethanol-infused pump gasoline Fits: Polaris RANGER 800 EFI 4x4 2011