Quantum Fuel Systems features a complete line of direct O.E.M. replacement fuel pumps, both in-tank and external, that's compatible with all modern ethanol-infused pump gasolines. Upgraded components and design ensure a longer life with increased durability. Meets or exceeds O.E.M. performance requirements. Polished corrosion-resistant case, minimizes seizing during non-operation. Drop-in replacement, specifically designed to operate quietly. Patented check valve technology. Eliminates common issues associated with low fuel pressure or failure.