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Fuel Pump Assembly – Fits Mercury/Mariner 25-60 HP 4-Stroke (Replaces 826398A1, 826398A3, 826398T3)

Regular price $39.90

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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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If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

This is a complete Fuel Pump Assembly designed to fit a wide range of Mercury and Mariner 25-60 HP 4-Stroke outboard engines manufactured between 1995 and 2012, including various Bodensee and Italy models. It serves as a reliable, direct-fit replacement for the original factory part, restoring proper fuel delivery and engine performance.

This assembly directly replaces Mercury OEM part numbers 826398A1, 826398A3, and 826398T3, as well as Yamaha part numbers 62Y-24410-00-00 through 62Y-24410-04-00.

  • Engineered as a direct replacement for straightforward installation.
  • Constructed from durable materials for longevity in marine environments.
  • Includes the full fuel pump assembly as shown.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
Mercury 826398A1
Mercury 826398A3
Mercury 826398T3
Yamaha 62Y-24410-00-00
Yamaha 62Y-24410-01-00
Yamaha 62Y-24410-02-00
Yamaha 62Y-24410-03-00
Yamaha 62Y-24410-04-00

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Mercury/Mariner models, compatibility is determined by serial number. Ensure your engine's serial number falls within the specified range.

...
Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury 25 25 4-Stroke 0G590000-0G760299 826398A1 Serial range
Mercury 25 25 4-Stroke 9973100-0P016999 826398A1 Serial range
Mercury 25 25 4-Stroke 0G760300-0T408999 826398T3 Serial range
Mercury 25 25 4-Stroke 0P017000-0P153499 826398T3 Serial range
Mercury 30 30 4-Stroke 0G760300-0T408999 826398T3 Serial range
Mercury 30 30 4-Stroke 0P017000-0P153499 826398T3 Serial range
Mercury 40 40 4-Stroke 0G231123-0G760299 826398A1 Serial range
Mercury 40 40 4-Stroke 9944807-0P016999 826398A1 Serial range
Mercury 40 40 4-Stroke 0G760300-0T408999 826398T3 Serial range
Mercury 40 40 4-Stroke 0P017000-0P153499 826398T3 Serial range
Mercury 40 (4 CYL.) 40 4-Stroke 0P094500-0P206999 826398T3 Serial range
Mercury 40 (4 CYL.) 40 4-Stroke 0T178500-0T598999 826398T3 Serial range
Mercury 40 ITALY 40 4-Stroke 0G760300-0T178499 826398T3 Serial range
Mercury 40 ITALY 40 4-Stroke 0P017000-0P094499 826398T3 Serial range
Mercury 45 BODENSEE 45 4-Stroke 0G231123-0G760299 826398A1 Serial range
Mercury 45 BODENSEE 45 4-Stroke 9944807-0P016999 826398A1 Serial range
Mercury 45 BODENSEE 45 4-Stroke 0G760300-0T178499 826398T3 Serial range
Mercury 45 BODENSEE 45 4-Stroke 0P017000-0P094499 826398T3 Serial range
Mercury 50 50 4-Stroke 0G231123-0G760299 826398A1 Serial range
Mercury 50 50 4-Stroke 9944807-0P016999 826398A1 Serial range
Mercury 50 50 4-Stroke 0G760300-0T178499 826398T3 Serial range
Mercury 50 50 4-Stroke 0P017000-0P094499 826398T3 Serial range
Mercury 50 (4 CYL.) 50 4-Stroke 0P094500-0P206999 826398T3 Serial range
Mercury 50 (4 CYL.) 50 4-Stroke 0T178500-0T598999 826398T3 Serial range
Mercury 50 BIGFOOT 50 4-Stroke 0G231123-0G760299 826398A1 Serial range
Mercury 50 BIGFOOT 50 4-Stroke 9944807-0P016999 826398A1 Serial range
Mercury 50 BIGFOOT 50 4-Stroke 0G760300-0T178499 826398T3 Serial range
Mercury 50 BIGFOOT 50 4-Stroke 0P017000-0P094499 826398T3 Serial range
Mercury 60 (4 CYL.) 60 4-Stroke 0P094500-0P206999 826398T3 Serial range
Mercury 60 (4 CYL.) 60 4-Stroke 0T178500-0T598999 826398T3 Serial range

Technical Specs

Product Type
Fuel Pump Assembly
Installation
Direct replacement
Fuel Type
Gasoline
Housing Material
Plastic with metal components
Housing Color
Black
Warranty
Varies by manufacturer

What’s in the Box

  • 1 x Fuel Pump Assembly

Installation Notes

  1. Disconnect the battery before beginning work.
  2. Relieve the fuel system pressure to prevent spills.
  3. Carefully disconnect the fuel lines and electrical connector from the old pump.
  4. Remove the mounting bolts and take out the old fuel pump assembly.
  5. Install the new fuel pump assembly, ensuring a secure fit.
  6. Reconnect fuel lines and the electrical connector.
  7. Reconnect the battery.
  8. Prime the fuel system and check thoroughly for any leaks before starting the engine.

Troubleshooting & FAQ

How do I find my engine's serial number?

The serial number is usually on a tag on the transom bracket or the engine block. It is essential for confirming compatibility with this fuel pump using the application table.

What are common signs of a failing fuel pump?

Symptoms include the engine sputtering or bogging down at high speeds, loss of power, difficulty starting, or stalling. These issues indicate the engine isn't receiving enough fuel, which a failing pump can cause.

Is any modification needed to install this pump?

No. This is a direct-fit replacement part designed to match the specifications of the original OEM numbers listed, ensuring a straightforward installation without any modifications.

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.

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