Fundyliue Fuel Pump Replacement for Mercury/Mariner 25-60 HP EFI Outboards — Direct-Fit 8M0118177 Metal Housing

Fundyliue 8M0118177 fuel pump is a direct-fit replacement designed to restore reliable fuel delivery for 3- and 4-cycle EFI Mercury/Mariner outboards from 25 to 60 HP.

If your outboard is experiencing fuel delivery issues or you're rebuilding a fuel system, this replacement pump offers a durable and cost-effective option. Engineered to mate with EFI systems found on many Mercury and Mariner 4-stroke models, it matches OEM mounting and flow characteristics and is compatible with several common replacement part numbers for straightforward swaps.

Will this pump fit my Mercury or Mariner outboard?

This unit is built as a replacement for part 8M0141827 and cross-references multiple part numbers used across models. Check compatibility against the engine's published part number and your service manual before purchasing.

• Fits 3- and 4-cycle EFI outboards from 25, 30, 40, 50 to 60 HP
• Direct replacement for 8M0118177 and 892874T01
• Compatible cross-references: 899106T01, 881862T08, 881862T, Sierra 18-8866

How does this fuel pump affect engine performance?

The pump supplies consistent low-pressure fuel to the high-pressure pump so the EFI system can meter injectors precisely. Reliable supply reduces hesitations, rough idling, and intermittent stalling that result from fuel starvation.

• Delivers steady fuel flow to the EFI system for stable combustion
• Supports proper secondary pressurization of the high-pressure pump
• Helps maintain smooth throttle response and engine runability

What are the construction and durability features?

Constructed from high-quality metallic components, the pump is designed for wear resistance and long service life in marine environments. Solid construction helps it withstand vibration and fuel exposure common in outboard applications.

• Metal housing for increased wear resistance
• Engineered for marine vibration and fuel compatibility
• Single-unit supply included for straightforward replacement

How easy is installation and what’s included?

Installation follows standard fuel pump replacement procedures for compatible outboards and requires basic tools and mechanical familiarity. The package includes one fuel pump; hoses, clamps, or gaskets are not included unless specified by the seller.

• Includes: 1 x Fundyliue fuel pump
• Simple bolt-on replacement where OEM mounting matches
• Verify hose orientation and torque specs per service manual

Who this is for: This replacement pump is for boat owners, marine technicians, and DIY mechanics restoring or maintaining Mercury/Mariner 3- and 4-cycle EFI outboards in the 25–60 HP range. It suits those seeking an aftermarket part that cross-references common OEM numbers and offers a durable, value-focused option for fuel delivery repair or engine rebuilding projects.