Fuel Pump Assembly – Fits Mercury/Mariner 25-60 HP 4-Stroke Outboard (Replaces 8M0118176, 8M0141844, 892874T01)
Fuel Pump Assembly – Fits Mercury/Mariner 25-60 HP 4-Stroke Outboard (Replaces 8M0118176, 8M0141844, 892874T01) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
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Fuel Pump Assembly – Fits Mercury/Mariner 25-60 HP 4-Stroke Outboar...
Fuel Pump Assembly – Fits Mercury/Mariner 25-60 HP 4-Stroke Outboard (Replaces 8M0118176, 8M0141844, 892874T01) is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket Fuel Pump Assembly – Fits Mercury/Mariner 25-60 HP 4-Stroke Outboard (Replaces 8M0118176, 8M0141844, 892874T01) is designed for a wide range of Mercury and Mariner 4-stroke outboards manufactured between 2000 and 2021, including 3-cylinder and 4-cylinder EFI models rated from 25 to 60 HP.
It serves as a direct interchange for multiple part numbers, including Mercury 8M0118176, 8M0141844, 892874T01, Sierra 18-8866, and WSM 600-092, ensuring broad compatibility and a reliable fit.
- Engineered as a direct, plug-and-play replacement for simple installation.
- Manufactured to meet or exceed OEM specifications for fit, form, and function.
- Package includes one fuel pump assembly and one cable tie for a complete setup.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 881862T1 |
| Mercury | 881862T07 |
| Mercury | 892874T |
| Mercury | 892874T01 |
| Mercury | 899106T |
| Mercury | 899106T01 |
| Mercury | 8M0118176 |
| Mercury | 8M0141844 |
| Sierra | 18-8866 |
| WSM | 600-092 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This fuel pump fits a variety of 4-stroke outboards from Mercury and Mariner. Verify your engine's specifications against this list before ordering.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | 3 Cylinder EFI | 30 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mercury | 3 Cylinder EFI | 35 | 4-Stroke | 2009–2014 | 8M0118176/8M0141844 | |
| Mercury | 3 Cylinder EFI | 40 | 4-Stroke | 2002–2013 | 8M0118176/8M0141844 | |
| Mercury | 4 Cylinder EFI | 40 | 4-Stroke | 2002–2012 | 8M0118176/8M0141844 | |
| Mercury | 4 Cylinder EFI | 45 | 4-Stroke | 2002–2012 | 8M0118176/8M0141844 | |
| Mercury | 4 Cylinder EFI | 50 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mercury | 4 Cylinder EFI | 55 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mercury | 4 Cylinder EFI | 60 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mercury | F20 | 20 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | F25 | 25 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | F30 | 30 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | F40 | 40 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | F50 | 50 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | F60 | 60 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | FT25 | 25 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | FT50 | 50 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mercury | Outboard | 25 | 4-Stroke | 8M0118176/8M0141844 | ||
| Mariner | 3 Cylinder EFI | 30 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mariner | 3 Cylinder EFI | 40 | 4-Stroke | 2002–2013 | 8M0118176/8M0141844 | |
| Mariner | 4 Cylinder EFI | 40 | 4-Stroke | 2002–2012 | 8M0118176/8M0141844 | |
| Mariner | 4 Cylinder EFI | 50 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mariner | 4 Cylinder EFI | 60 | 4-Stroke | 2002–2021 | 8M0118176/8M0141844 | |
| Mariner | Outboard | 25 | 4-Stroke | 8M0118176/8M0141844 |
Technical Specs
- Product Type
- Fuel Pump Assembly
- Installation
- Direct Replacement
- Fuel Type
- Gasoline/Petrol (including E10)
- Connection
- Direct Plug & Play
- Housing Material
- High-Grade Plastic
- Housing Color
- Black
- Dimensions
- 120 × 100 × 85 mm (4.72 × 3.94 × 3.35 in)
- Weight
- 0.432 kg (0.95 lb)
- Fitting Type
- OEM Compatible Connections
- Warranty
- Manufacturer dependent - typically 1 year
- Other Technical Attributes
- Manufactured to OEM specifications using same materials as originals
What’s in the Box
- 1 x Fuel pump assembly (8M0118176/8M0141844)
- 1 x Cable tie (54-816311T)
Installation Notes
- Disconnect the vessel's battery before beginning work.
- Relieve fuel system pressure following the manufacturer's service manual instructions.
- Carefully disconnect the electrical connectors and fuel lines from the old pump assembly.
- Remove the mounting bolts and withdraw the old fuel pump from its housing.
- Install the new fuel pump assembly, ensuring all seals are correctly seated.
- Secure the new pump with the original mounting hardware.
- Reconnect fuel lines and electrical connectors securely.
- Before starting the engine, prime the system and meticulously check all connections for leaks.
Troubleshooting & FAQ
How do I know if this fuel pump fits my engine?
This pump is designed for specific Mercury and Mariner 4-stroke models from 25-60 HP (2002–2021). Please review the "Engine & Model Compatibility" table and cross-reference your engine's OEM part number with our "Part Number Matrix" to ensure an exact match.
What are common signs of a failing fuel pump?
Symptoms include difficulty starting, engine sputtering or stalling (especially at high speeds), loss of power, and an audible whining noise from the fuel tank area.
Is this a direct plug-and-play replacement?
Yes, this assembly is engineered to be a direct-fit replacement. It uses OEM-compatible connections for a straightforward installation with no modifications required.
How often should a marine fuel pump be replaced?
There is no fixed replacement interval for marine fuel pumps. Replacement is typically done when symptoms of failure appear. Regular fuel filter changes and using clean, high-quality fuel can extend its service life.
Is this an OEM part or an aftermarket replacement?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
What are your shipping speed & costs?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
What is the warranty and return policy?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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