QFS OEM Marine/Outboard Fuel Pump Replacement for Mercruiser Boat 4.3lL/ 5.0L / 5.7L Carbureted GM V6 4.3L/262 5.0 305 350 5.7 CID, 1997-2008, OEM 861155A3 861155A2

Quantum Fuel Systems is a leading supplier of powersports fuel systems with a wide range of fitment and parts in the aftermarket segment.

Our company is fueled by automotive and powersports enthusiasts, from engineers to the production floor to our marketing department and beyond.

We have devoted countless hours to fuel system R&D, quality control, and community-driven product development since 2002.

Our goal has always been to deliver a quality product paired with effective, data-based assistance to ensure a fuel system solution that is second to none.

Quantum Fuel Pumps have upgraded polymers, brushes, and commutators that ensure long life and optimal performance.

Trust us for all your powersports fuel system needs!