QFS Low-Pressure Fuel Lift Pump for Volvo Penta 4.3L, 5.0L, 5.7L, 8.1L V6 & V8 Inboard/Sterndrives, Replaces 21608511, 3594444, 3594785

Quantum replacement fuel pumps are designed to meet or exceed OE specifications, and feature upgrades that improve on the OE design. Upgraded polymers, brushes, and commutators ensure long life and durability in multiple fuel blends. Easy Installation: Designed as a drop-in replacement, allowing for a straightforward, hassle-free installation. Replace all worn components at once using our comprehensive install kit including fuel pump, strainer, hoses, and wiring. This fuel pump is designed for long term performance and tested rigorously at high rpm to ensure the longevity of the components. This fuel pump is compatible with Volvo Penta inboard engines: All Years Volvo Penta Inboard / Sterndrive / Pleasure Craft 4.3Gi, 4.3GiPEFS, 4.3GXiE, V6 All Years Volvo Penta Pleasure Craft Inboard Engine 5.0GiC, 5.0GiCE, 5.0GXiC, 5.0GXiCE, 5.0GXiE All Years Volvo Penta Pleasure Craft Inboard Engine 5.7GiC, 5.7GiCE, 5.7GiE, 5.7GXi, 5.7GXiC, 5.7GXiCE, 5.7GXiE All Years Volvo Penta Inboard / Sterndrive 8.1GiC

• HFP-516 is a low-pressure lift pump specifically engineered to replace Volvo Penta factory part numbers 3594444, 3594785, and 21608511 for a precision fit in the fuel cell assembly
• Versatile Marine Fitment: Direct replacement for the low-pressure side of the fuel system on Volvo Penta V6 and V8 engines; Compatible with Inboard, Sterndrive, and Pleasure Craft Inboard Engines: 4.3Gi, 4.3GiPEFS (9.9-25 HP), 4.3GXiE, V6 (225 HP) | 5.0GiC, 5.0GiCE, 5.0GXiC, 5.0GXiCE, 5.0GXiE (225-270 HP) | 5.7GiC, 5.7GiCE, 5.7GiE, 5.7GXi, 5.7GXiC, 5.7GXiCE, 5.7GXiE (300-320 HP) | 8.1GiC (375 HP)
• Eliminates Fuel Starvation: Specifically designed to ensure a consistent, low-pressure supply of fuel to the high-pressure pump, preventing common marine issues like vapor lock, engine bogging under load, and hard starting
• Built for the Elements: Features corrosion-resistant internals and premium seals designed to withstand the harsh realities of saltwater, freshwater, and long-term exposure to modern ethanol-blended marine fuels
• Get back on the water with confidence – Guaranteed – As a US-based small business, we understand the frustration of downtime and are here to help you get back to your passion. Backed by our lifetime warranty, we stand by our products and our community