Fuel Pump Assembly – Fits Mercury/Mariner 30-60HP 4-Stroke Outboards (Replaces 899106T01, 8M0118177)
Fuel Pump Assembly – Fits Mercury/Mariner 30-60HP 4-Stroke Outboards (Replaces 899106T01, 8M0118177) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This aftermarket Fuel Pump Assembly is engineered for Mercury and Mariner 30-60HP 4-Stroke EFI outboard engines manufactured from 2002 to the present. It is compatible with both 3-cylinder (30 HP) and 4-cylinder (40-60 HP) models, ensuring reliable fuel delivery for modern electronic fuel injection systems.
This unit is a direct replacement for multiple OEM part numbers, including Mercury 899106T01, 892874T01, 8M0141827, 8M0118177, 881862T08, 881862T, and Sierra 18-8866.
- Installs directly in place of the factory OEM assembly.
- Engineered specifically for EFI (Electronic Fuel Injection) systems.
- Comes as a complete, ready-to-install assembly.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 899106T01 |
| Mercury | 892874T01 |
| Mercury | 8M0141827 |
| Mercury | 8M0118177 |
| Mercury | 881862T08 |
| Mercury | 881862T |
| Sierra | 18-8866 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This fuel pump assembly fits the following Mercury and Mariner EFI 4-stroke outboard models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | 3-Cylinder EFI | 30 | 4-Stroke | 2002–present | 8M0118177 | Serial No. 0P153500 and up |
| Mercury | 4-Cylinder EFI | 40 | 4-Stroke | 2002–present | 8M0118177 | Includes EFI Jet models |
| Mercury | 4-Cylinder EFI | 50 | 4-Stroke | 2002–present | 8M0118177 | |
| Mercury | 4-Cylinder EFI/SeaPro | 60 | 4-Stroke | 2002–present | 8M0118177 | Includes SeaPro models |
Technical Specs
- Product Type
- Electric Fuel Pump Assembly
- Installation
- Direct OEM Replacement
- Fuel Type
- Gasoline
- Connection
- OEM Electrical Connector
- Housing Material
- Metal/Plastic Composite
- Housing Color
- Black
- Dimensions
- 15.5 cm x 11.5 cm x 12.0 cm
- Weight
- 430 g (0.95 lb)
- Fitting Type
- OEM-style fittings
- Working Pressure
- 43 PSI
- Compatibility
- For EFI systems only
- Warranty
- 1 Year (Aftermarket)
What’s in the Box
- 1 x Fuel Pump Assembly (Replaces 899106T01/8M0118177)
Installation Notes
- Disconnect the negative battery terminal to prevent electrical hazards.
- Safely relieve pressure from the fuel system according to your service manual.
- Carefully disconnect the existing fuel lines and electrical harness from the old pump assembly.
- Remove the mounting hardware and take out the old pump.
- Check that the new assembly matches the old one, then install it using the original mounting points.
- Securely reconnect the fuel lines and an electrical connector. Ensure all fittings are tight.
- Reconnect the battery.
- Turn the key to the 'On' position (without starting) several times to prime the system.
- Inspect for any fuel leaks before starting the engine. If leaks are present, stop immediately and resolve them.
Troubleshooting & FAQ
How do I know if this fuel pump fits my engine?
This pump is for Mercury/Mariner 30-60HP 4-stroke EFI models from 2002-present. Please check the "Engine & Model Compatibility" table and verify your engine's serial number (for 30HP models, 0P153500 and up). Always compare the product photos to your original part before ordering.
Can I use this with a carbureted engine?
No. This is an electric fuel pump designed specifically for Electronic Fuel Injection (EFI) systems, which require a constant, high pressure (43 PSI). It is not compatible with carbureted engines, which use a low-pressure fuel pump.
What are the signs of a failing fuel pump?
Common symptoms include the engine bogging down at high speeds, difficulty starting, stalling, sputtering, or a noticeable loss of power. These issues occur when the pump can no longer supply the consistent fuel pressure required by the EFI system.
Is this a high-pressure or low-pressure pump?
This is a high-pressure pump that operates at a working pressure of 43 PSI, as required for Mercury's EFI systems. It replaces the entire fuel pump module, which in the original OEM design contains both a low-pressure lift pump and a high-pressure pump.
OEM vs. Aftermarket?
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.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
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.
Payment & Security
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