Fuel Pump Assembly for Yamaha 115–300 HP V4/V6 2-Stroke Outboards – Replaces 6E5-24410-00-00 and Sierra 18-7349
Fuel Pump Assembly for Yamaha 115–300 HP V4/V6 2-Stroke Outboards – Replaces 6E5-24410-00-00 and Sierra 18-7349 is backordered and will ship as soon as it is back in stock.
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Fuel Pump Assembly for Yamaha 115–300 HP V4/V6 2-Stroke Outboards –...
Fuel Pump Assembly for Yamaha 115–300 HP V4/V6 2-Stroke Outboards – Replaces 6E5-24410-00-00 and Sierra 18-7349 is backordered and will ship as soon as it is back in stock.
Product Details
This is a high-quality aftermarket fuel pump assembly for Yamaha 2-stroke outboard engines. The company fitment information covers Yamaha Marine 2-stroke outboards rated at 115, 130, 150, 175, 200, 225, 250, and 300 HP, including applicable V4 and V6 configurations. The V4/V6 fitment is identified for engines from approximately 1989 through 2003; always compare the exact engine model, year, and original pump before ordering.
This single replacement fuel pump is listed as an aftermarket replacement for Yamaha reference 6E5-24410-00-00 and Sierra 18-7349. Catalog references also associate the 18-7349 replacement family with Yamaha numbers 6E5-24410-01-00, 6E5-24410-02-00, 6E5-24410-03-00, 6E5-24410-04-00, and 6E5-24410-10-00. These references may apply to different model and year configurations, so verify the complete application rather than relying on the number alone.
- Replacement mechanical fuel pump assembly for compatible Yamaha 2-stroke outboards.
- Designed to restore fuel delivery when the original pump is worn, damaged, or no longer supplying fuel consistently.
- Single fuel pump assembly; gasket, hoses, clamps, and other installation hardware are not confirmed as included.
- Aftermarket part; Yamaha and Sierra names and numbers are used only to identify application and replacement references.
Part Number Matrix
Use the following references together with your engine model and year to confirm application.
| Brand | Reference Number | Application Note |
|---|---|---|
| Yamaha | 6E5-24410-00-00 | Primary Yamaha reference |
| Yamaha | 6E5-24410-01-00 | Related reference in replacement catalogs |
| Yamaha | 6E5-24410-02-00 | Related reference in replacement catalogs |
| Yamaha | 6E5-24410-03-00 | Related reference in replacement catalogs |
| Yamaha | 6E5-24410-04-00 | Related reference in replacement catalogs |
| Yamaha | 6E5-24410-10-00 | Related reference in replacement catalogs |
| Sierra | 18-7349 | Aftermarket replacement reference |
| Mallory | 9-35301 | Additional aftermarket cross-reference; verify before ordering |
Engine Compatibility
The company fitment record identifies this fuel pump assembly for Yamaha Marine 2-stroke outboards in the following horsepower groups:
| Brand | Engine Type | Rated Horsepower | Configuration | Fitment Scope |
|---|---|---|---|---|
| Yamaha | Marine 2-stroke outboard | 115, 130, 150, 175 HP | Applicable V4/V6 models | Verify exact model and year |
| Yamaha | Marine 2-stroke outboard | 200, 225, 250, 300 HP | Applicable V4/V6 models | Verify exact model and year |
| Yamaha | V4/V6 2-stroke outboard | 115–300 HP range where applicable | V4 or V6 | Company fitment scope: approximately 1989–2003 |
Engine catalogs show fuel-pump-assy applications within this reference family for model examples including 115ETL/ETX, 150ETL/ETX, 175ETL/ETX, 200ETL/ETX, and several V6 Excel or V6 Special configurations. Model suffixes, production years, and serial-number breaks can change the correct pump. Confirm your complete engine designation and compare the original part before purchase.
Technical Specifications
- Product Type
- Aftermarket mechanical fuel pump assembly
- Engine Type
- Yamaha 2-stroke marine outboard
- Horsepower Range
- 115–300 HP, subject to exact model and configuration
- Compatible Configurations
- Applicable Yamaha V4 and V6 outboards
- Fuel Type
- Gasoline
- Primary Yamaha Reference
- 6E5-24410-00-00
- Aftermarket Reference
- Sierra 18-7349
- Quantity
- One fuel pump assembly
What's in the Box
- 1 x Aftermarket fuel pump assembly
Gaskets, hoses, clamps, cable ties, and other installation parts are not confirmed as included. Reuse only hardware that is serviceable and appropriate for the application.
Installation Notes
- Confirm the engine model, year, serial-number range where applicable, and original pump reference before beginning work.
- Disconnect the battery and allow the engine to cool. Relieve fuel-system pressure and work in a well-ventilated area away from ignition sources.
- Label the fuel hoses before disconnecting them, and use suitable containers or absorbent material to collect residual fuel.
- Remove the original fuel pump and clean the mounting surface. Replace any damaged or hardened gasket or seal with the correct application-specific part.
- Install the replacement pump in the same orientation as the original and tighten the fasteners to the engine manufacturer's specification.
- Reconnect each fuel line to the correct port and secure the connections with suitable marine fuel-system clamps where required.
- Prime the fuel system, inspect carefully for leaks, and verify correct fuel delivery before operating the boat.
- If the engine does not start or runs poorly after installation, stop and check hose routing, filters, tank ventilation, ignition, and pump compatibility.
Troubleshooting & FAQ
What symptoms can indicate a failing fuel pump?
Possible symptoms include hard starting, stalling, loss of power, hesitation, rough running, or fuel starvation at higher engine speeds. These symptoms can also be caused by restricted fuel lines, a blocked filter, poor tank ventilation, or ignition problems, so diagnose the complete fuel system.
Will this fit every Yamaha 115–300 HP 2-stroke outboard?
No. The listed horsepower range is a fitment guide, not a guarantee for every model. Confirm the exact Yamaha model designation, production year, serial-number range where applicable, pump orientation, mounting pattern, and reference number before ordering.
Is this an OEM Yamaha fuel pump?
No. This listing is for an aftermarket replacement assembly. Yamaha and Sierra names and part numbers are provided only as application and replacement references.
Does the package include a gasket?
The confirmed package content is one fuel pump assembly. A gasket and other installation hardware are not confirmed as included and may need to be purchased separately for your specific engine.
When should the fuel pump be replaced?
There is no universal replacement interval stated for this part. Inspect the pump and the surrounding fuel-system components during routine service, and replace the pump when testing or operating symptoms indicate inadequate or inconsistent fuel delivery.
Safety & Important Information
- Fuel is flammable. Work in a ventilated area, keep sparks and open flames away, and clean all spilled fuel immediately.
- Do not rely on horsepower alone to confirm compatibility. Match the exact engine model, year, serial conditions, and original pump configuration.
- Inspect all fuel hoses, filters, clamps, and connections during installation and replace damaged components as needed.
- Professional installation is recommended if you are not familiar with marine fuel systems.
- This is an aftermarket replacement part and is not manufactured or supplied by Yamaha or Sierra.
About Sea Sierra
- Marine Replacement Parts — We provide aftermarket components for maintenance and repair of marine engines.
- Application-Focused Listings — Product references and fitment information are organized to help you compare the original part and engine details before ordering.
- Support for Installation Planning — Review the complete application and package information before beginning a repair.
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