75–300 HP Mercury Mariner Outboard Fuel Boost Pump OptiMax DFI 888733T02

Low Pressure Electric Fuel Boost Pump – Mercury / Mariner OptiMax DFI Outboards Marine-grade aftermarket replacement electric fuel boost pump for selected Mercury and Mariner 75–300 HP 2-stroke DFI outboard engines. Designed to provide low-pressure fuel delivery within the engine's fuel vapour separator (VST) system, supporting reliable operation of the direct fuel injection system. Fitment – UK & European Mercury / Mariner Outboards 2-Stroke OptiMax / DFI Engines 1.5L – 3-Cylinder Models 75 HP – OptiMax DFI 80 HP – Jet DFI 90 HP – OptiMax DFI 115 HP – OptiMax DFI 115 HP – Pro XS DFI 125 HP – Selected DFI models 3.0L – V6 Models 200 HP – OptiMax DFI / DTS 200 HP – Pro XS DFI 225 HP – OptiMax DFI / DTS 225 HP – Pro XS DFI 250 HP – OptiMax DFI 250 HP – Pro XS DFI Additional Selected DFI Applications 225 HP – Sport XS 250 HP – Sport XS 300 HP – XS DFI Important: Not every engine within the listed horsepower range uses this pump. Applications depend on engine model, serial number and VST configuration. Replaces Mercury / Mariner Part Numbers 888733T02 888733T1 OEM part numbers are used for identification purposes only. Product Details Condition: New Product: Electric Fuel Boost Pump Type: Low Pressure Fuel Pump Quality: Marine-Grade Aftermarket Application: Mercury / Mariner Outboards Engine Type: 2-Stroke DFI / OptiMax Horsepower: 75–300 HP (selected models) Installation Location: Fuel Vapour Separator (VST) Quantity: 1 Fuel Pump Important – Check Compatibility Please confirm your engine model, serial number, original fuel pump reference and fuel system configuration before ordering. This is a low-pressure fuel boost pump, not the high-pressure DFI fuel pump. If the part looks the same as yours, this does not always mean it is the correct part for your outboard. Why Buy From SSI Marine? Workshop-tested aftermarket & OEM-spec parts Same-day dispatch before 1 PM Monday–Friday Royal Mail Tracked 24 UK stock – collection from Leigh, Greater Manchester Technical support available Buyer Responsibility: Please confirm compatibility before purchasing. Contact SSI Marine with your engine details if unsure.