High Pressure Electric Fuel Pump Replacement for MerCruiser EFI MPI V6 V8 Engines 4.3L–8.2L | Replaces 861156A1, Sierra 18-35433

Why Choose Our Fuel Pump?Choose our high pressure electric fuel pump replacement to restore your engine’s optimal performance. Designed for reliability, durability, and easy installation, this marine fuel pump helps prevent engine hesitation, stalling, or poor acceleration caused by faulty or worn fuel pumps.Key FeaturesHigh Pressure Fuel Delivery: Provides stable, high-pressure fuel flow to EFI and MPI systems, restoring reliable engine performance and efficient fuel combustion.Restores Engine Performance: This fuel pump replacement ensures smooth throttle response and prevents hesitation, stalling, or uneven power under load.Durable Construction: Manufactured with premium materials resistant to wear, heat, and corrosion, built to last in harsh marine environments.Easy Installation: Direct-fit design ensures simple replacement with no modifications, compatible with OEM specifications.Reliable Warranty: Each marine fuel pump is tested for quality and reliability. Comes with a 2-year warranty and worry-free replacement or refund if any issues arise.Fitment & OEM Replacement:Compatible with Mercruiser EFI / MPI V6 & V8 Engines:4.3L – 8.2L (305, 350, 377, 454, 502 CID)Replacement Part Numbers:Mercruiser: 861156A1, 807949A1Mercury: 861156A1Sierra: 18-35433Mallory: 9-35433Pro Torque: PH500-M014Quality Guarantee:2-Year Warranty

• 1️⃣ Fitment & OEM Replacement: High pressure electric fuel pump compatible with Mercruiser EFI/MPI V6 & V8 engines, 4.3L–8.2L (305, 350, 377, 454, 502 CID). Replaces OEM part numbers 861156A1, 807949A1, Sierra 18-35433, Mallory 9-35433, Pro Torque PH500-M014. Direct replacement ensures easy installation and perfect fit.
• 2️⃣ 2-Year Warranty: Each fuel pump is tested for quality and reliability. Comes with a 2-year warranty and worry-free replacement.
• 3️⃣ Restores Engine Performance: This electric fuel pump replacement delivers stable fuel flow for EFI and MPI marine engines, restoring smooth acceleration, reliable start-up, and optimal engine performance.
• 4️⃣ Maintains Fuel System Efficiency: Designed as a marine fuel pump for inboard and sterndrive boats, it provides consistent pressure under load, improves throttle response, and prevents engine hesitation or stalling.
• 5️⃣ Premium Durable Construction: Built with high-quality materials for long-lasting durability, heat resistance, and corrosion protection, making this boat fuel pump ideal for harsh marine environments.