881518T Mercury Delivery Hose | Genuine Used Part

🔧 Product Description

Genuine Mercury 115 EFI Fuel Delivery Pipe - Part Number: 881518T

A genuine used fuel delivery pipe or injector rail for Yamaha-manufactured Mercury and Mariner 115 EFI four-stroke outboards.

Although sometimes described as a delivery hose, Mercury identifies 881518T as the fuel delivery pipe. It supports the four injectors, receives regulated fuel and distributes it evenly across the engine's inline four-cylinder intake system.

⚙️ Key Features

• Genuine Mercury fuel delivery pipe

• Correct Mercury reference 881518T

• Supports four electronic fuel injectors

• Used with injector 880887T1

• Fits Yamaha-based Mercury 115 EFI engines

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 881518T Mercury fuel-delivery-pipe reference

OEM / Related Numbers:

• 881518T

• Fuel injector: 880887T1

• Fuel-pressure regulator: 880888T02

• Fuel cooler: 881527T01

• Rail cap: 881520

• Nipple: 881521T

• Nipple O-ring: 881522

• Injector O-ring kit: 885183A1

• Intake assembly: 881440T04

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Mercury 115 EFI four-stroke fuel systems

• Mariner 115 EFI four-stroke fuel systems

• Yamaha-based Mercury inline four-cylinder outboards

Typically suits:

• Engine models:

• Mercury 115 EFI four-stroke - serial 0T178500 through 0T800999

• Mercury 115 EFI four-stroke - serial 0T801000 through 1B226999

• Mariner 115 EFI four-stroke using the same Yamaha-manufactured fuel system

• HP Range: 115HP

• Engine Type: Inline four-cylinder, four-stroke multipoint EFI outboard

• Year Range: Approximately 2001 - 2006

🔌 Function

The pipe stores a small volume of regulated fuel and supplies equal pressure to all four injectors while retaining the injectors and associated sealing components in position.

Common signs of failure:

• Petrol leaking around an injector seat

• Corrosion or contamination inside the pipe

• Fuel pressure falls during acceleration

• Engine runs lean on one or more cylinders

• Strong petrol smell beneath the cowling

• Injector seals no longer seat correctly

• Cracked or damaged mounting points

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated