WAL-CPN3B is a premium OEM replacement fuel pump package featuring Walbro electric pumps and Quantum mechanical fuel pump setup manufactured by Walbro / TI Automotive to restore precise fuel pressure metrics and high-volume fluid delivery to Mercury, Mariner, and Mercury Racing outboard marine engines. Serving as a direct physical and operational replacement for factory part numbers 14360T74, F50000105, and 888733T02, this genuine high-output pump drops straight into the original Vapor Separator Tank (VST) module assembly. It features comprehensive application coverage across 2-stroke Direct Fuel Injection (DFI), OptiMax, Pro XS, and performance racing outboard engines from 2000 through 2013, including 75HP, 90HP, 115HP, 125HP, 200HP, 225HP, 250HP, and 300HP platforms. It systematically resolves common marine fueling issues caused by extended watercraft layups, clogged VST chambers, or internal electric motor failure, such as engine bogging under load, hard cold starting, mid-range throttle hesitations, lean cylinder misfires, and high-RPM fuel starvation.
Marine outboard fuel systems operate in harsh environments subject to continuous moisture, salt air, and extended off-season storage layups. Water condensation inside the VST chamber causes phase separation in ethanol-blended fuels, leading to internal varnish buildup and rust scale that overworks and eventually seizes the stock electric pump armature. Operating a high-performance outboard with a failing fuel pump causes lean air-fuel ratios that can damage expensive 2-stroke powerheads.
WAL-CPN3B solves these fuel starvation issues by renewing the VST high-pressure delivery system with proven OEM-tier engineering. Built with a precision-balanced turbine design core, this unit delivers steady fuel flow with low current draw, minimizing heat buildup inside the fuel chamber. All internal seals and structural components utilize high-performance synthetic rubber materials, providing total chemical defense against swelling, drying, or cracking when exposed to modern pump gas, winterizing additives, and ethanol-blended marine fuels.
Features & Benefits:
- Genuine Walbro OEM Engineering: Manufactured by TI Automotive to deliver exact factory flow rates, pressure retention, and long-term reliability.
- Restores Proper Fuel Rail Pressure: Replaces worn or seized VST electric pump cores to maintain consistent fuel volume across all throttle positions.
- Marine-Grade Synthetic Rubber Seals: Internal sealing components are molded from premium industrial-grade FKM to resist ethanol degradation and harsh marine environments.
- Quiet Turbine Impeller Mechanism: Utilizes a balanced internal turbine structure that operates quietly while generating minimal heat inside the Vapor Separator Tank.
- Corrosion-Resistant Exterior Housing: Features an encapsulated metallic body designed to withstand continuous exposure to moisture, salt air, and marine fuel additives.
- Cost-Effective Marine Repair: Replaces only the failed electric pump motor, providing a professional-grade alternative to purchasing a complete new VST assembly.
THE IDEAL REPLACEMENT FOR OEM #: 14360T74, F50000105, 888733T02
Package Includes: Fuel Pumps
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
