Fuel Pump Assembly for Mercury/Mariner 25–60 HP 4-Stroke Outboards – Replaces 8M0118176, 8M0141844 and 892874T01
Fuel Pump Assembly for Mercury/Mariner 25–60 HP 4-Stroke Outboards – Replaces 8M0118176, 8M0141844 and 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.
International delivery times may vary due to customs processing.
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Fuel Pump Assembly for Mercury/Mariner 25–60 HP 4-Stroke Outboards ...
Fuel Pump Assembly for Mercury/Mariner 25–60 HP 4-Stroke Outboards – Replaces 8M0118176, 8M0141844 and 892874T01 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket fuel pump assembly is intended as a replacement for selected Mercury and Mariner 4-stroke outboard applications in the 25–60 HP range. It is associated with 3-cylinder and 4-cylinder EFI applications and replaces the listed Mercury reference numbers when the part number, connector arrangement and mounting configuration match your original assembly.
Use the reference numbers and compatibility information below as a guide only. Outboard fitment can vary by model designation, production year, serial-number range and regional specification, so confirm the exact engine details before ordering.
- Aftermarket fuel pump assembly for selected Mercury and Mariner 4-stroke outboards.
- Designed as a direct-replacement style assembly with OEM-compatible connections.
- Package includes one fuel pump assembly and one cable tie.
- Compare the original pump, electrical connector, fuel-line connections and mounting points before installation.
Part Number Matrix
The following numbers are reference numbers associated with this replacement. They should be used together with the engine model and serial-number information, not as a substitute for complete fitment verification.
| 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
This replacement is listed for selected Mercury and Mariner 4-stroke outboards, including EFI applications in the ranges shown below. The table identifies the intended application scope; it does not confirm every model, year or serial-number range within a horsepower category.
| Brand | Model or Configuration | Rated HP | Stroke | Listed Years | Reference Numbers | Fitment Note |
|---|---|---|---|---|---|---|
| Mercury | 3 Cylinder EFI | 30 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 3 Cylinder EFI | 35 | 4-Stroke | 2009–2014 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 3 Cylinder EFI | 40 | 4-Stroke | 2002–2013 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 4 Cylinder EFI | 40 | 4-Stroke | 2002–2012 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 4 Cylinder EFI | 45 | 4-Stroke | 2002–2012 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 4 Cylinder EFI | 50 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 4 Cylinder EFI | 55 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | 4 Cylinder EFI | 60 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mercury | F20 | 20 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | F25 | 25 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | F30 | 30 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | F40 | 40 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | F50 | 50 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | F60 | 60 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | FT25 | 25 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | FT50 | 50 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Confirm the original part number before ordering. |
| Mercury | Outboard | 25 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Generic designation; exact model confirmation required. |
| Mariner | 3 Cylinder EFI | 30 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mariner | 3 Cylinder EFI | 40 | 4-Stroke | 2002–2013 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mariner | 4 Cylinder EFI | 40 | 4-Stroke | 2002–2012 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mariner | 4 Cylinder EFI | 50 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mariner | 4 Cylinder EFI | 60 | 4-Stroke | 2002–2021 | 8M0118176, 8M0141844 | Verify model and serial number. |
| Mariner | Outboard | 25 | 4-Stroke | Not specified | 8M0118176, 8M0141844 | Generic designation; exact model confirmation required. |
Technical Specifications
- Product Type
- Fuel pump assembly
- Product Construction
- Aftermarket replacement
- Installation
- Direct-replacement style installation
- Fuel Type
- Gasoline/petrol, including E10 where approved for the engine
- Connection
- OEM-compatible electrical and fuel-line connections
- 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
Dimensions and weight are provided for product-reference purposes. Always compare the replacement with the original assembly before installation.
What’s in the Box
- 1 × Fuel pump assembly
- 1 × Cable tie, reference 54-816311T
Installation Notes
- Disconnect the vessel battery and follow all applicable marine-service safety procedures.
- Relieve fuel-system pressure in accordance with the engine manufacturer’s service instructions.
- Disconnect the electrical connectors and fuel lines from the existing pump assembly, taking care to prevent fuel spills.
- Remove the original mounting hardware and withdraw the old pump assembly.
- Compare the replacement assembly with the original, including the connector, ports, seals and mounting points.
- Install the replacement assembly with the seals correctly seated.
- Secure the pump using the original mounting hardware and reconnect the fuel lines and electrical connectors.
- Prime the fuel system before starting the engine, then inspect every connection for leaks.
- If the connector, fuel-line routing or mounting arrangement does not match, do not force the installation; consult the applicable service information.
Troubleshooting & FAQ
How do I confirm that this fuel pump fits my engine?
Check the engine brand, exact model designation, horsepower, stroke, production year and serial-number range. Then compare the original pump’s part number, connector, fuel-line ports and mounting arrangement with the information on this page. A horsepower match alone does not confirm fitment.
What are common signs of a failing fuel pump?
Possible symptoms include hard starting, sputtering, stalling, loss of power under load and unusual pump noise. These symptoms can also be caused by a restricted fuel filter, contaminated fuel, wiring faults or other fuel-system problems, so diagnose the system before replacing the pump.
Is this a direct plug-and-play replacement?
It is designed as a direct-replacement style assembly with OEM-compatible connections for the listed applications. Confirm that the replacement matches your original assembly before installation; no modification should be required for a correct application.
How often should a marine fuel pump be replaced?
There is no universal replacement interval. Replace the pump when testing identifies a pump fault or when deterioration, contamination or failure symptoms are confirmed. Regular fuel-filter service and clean, suitable fuel can help protect the fuel system.
Is this an OEM part?
No. This listing is for an aftermarket replacement, not an original manufacturer component. The listed OEM and aftermarket numbers are reference numbers used to help identify possible applications.
What are the shipping options?
Typical transit is 5–15 days for standard worldwide shipping. Standard shipping is free, and expedited options may be available at checkout depending on destination.
What is the warranty and return policy?
Warranty and returns are subject to the applicable seller policy and order terms. Contact support with your order details if the product arrives damaged, defective or incompatible after the fitment information has been checked.
Safety & Important Information
- Fuel-system work involves flammable liquids and vapors. Work in a well-ventilated area away from ignition sources.
- Disconnect the battery and relieve fuel pressure before removing the original pump.
- Verify the engine model, year, serial-number range and original part number before ordering.
- Compare the connector, fuel ports, seals and mounting points before installation.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended when fuel-system service experience is limited.
About Sea Sierra
- Pro-Grade Standards — Marine replacement parts selected for fit, function and dependable service.
- Fast Global Fulfillment — Standard delivery is available to most regions, with typical transit of 5–15 days.
- Manufacturer-Direct Value — Competitive replacement-part pricing supported by application-focused product information.
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