18715T1 Mercury 150–300 HP OEM Fuel Injector – Genuine Factory Marine Part

The 18715T1 Mercury OEM Fuel Injector is a genuine Mercury Marine factory component, engineered for precise fuel delivery and long‑term reliability across a wide range of Mercury outboard engines. This is not an aftermarket replacement—it is an authentic OEM injector designed to restore factory performance and ensure proper operation under demanding marine conditions.

Compatible with Mercury and Mariner 2‑stroke and EFI outboards from 1998–2005, this injector fits 150, 175, 200, 225, 250, and 300 HP models, as well as the Mercury SportJet 240 EFI.

Each injector is fully serviced using ASNU Classic GDI flow‑bench technology, ensuring it is restored to original OEM performance specifications. Injectors are supplied with all required O‑rings, filters, seals, and installation components, making them ready for immediate installation with no additional parts needed.

Note: SouthBay Fuel Injectors is not affiliated with Mercury Marine and is not an authorized dealer. This listing is for a genuine OEM part sourced and serviced independently.

✔ Key Features

• Genuine Mercury Marine OEM fuel injector

• Fits 150–300 HP Mercury/Mariner outboards (1998–2005)

• Also fits Mercury SportJet 240 EFI

• Fully serviced using ASNU Classic GDI flow‑bench equipment

• Restored to original factory performance

• Includes all necessary O‑rings, filters, and seals

• Ready for direct installation

• Ideal for restoring proper fuel delivery, idle quality, and throttle response

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✔ Compatibility

Mercury / Mariner Outboards (1998–2005):

• 150 HP

• 175 HP

• 200 HP

• 225 HP

• 250 HP

• 300 HP

Additional Fitment:

• Mercury SportJet 240 EFI

✔ What’s Included

• 1 × Genuine Mercury OEM 18715T1 Fuel Injector

• New O‑rings

• New filters

• New seals

• Installation‑ready configuration