Fuel Pump Assembly for Mercury/Mariner 75–115 HP EFI 4-Stroke Outboards — Replaces Mercury 880890T1, 880980A02 and Yamaha 68V-24410-00-00, 6D8-24410-00-00
Fuel Pump Assembly for Mercury/Mariner 75–115 HP EFI 4-Stroke Outboards — Replaces Mercury 880890T1, 880980A02 and Yamaha 68V-24410-00-00, 6D8-24410-00-00 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Fuel Pump Assembly for Mercury/Mariner 75–115 HP EFI 4-Stroke Outbo...
Fuel Pump Assembly for Mercury/Mariner 75–115 HP EFI 4-Stroke Outboards — Replaces Mercury 880890T1, 880980A02 and Yamaha 68V-24410-00-00, 6D8-24410-00-00 is backordered and will ship as soon as it is back in stock.
Product Details
This replacement fuel pump assembly is intended for selected Mercury and Mariner 75 HP, 90 HP and 115 HP EFI 4-stroke outboards manufactured from approximately 2000 through 2006. It is designed as the internal low-pressure lift pump installed inside the Vapor Separator Tank (VST). Always confirm the engine model and serial number before ordering.
The assembly is commonly cross-referenced with Mercury part numbers 880890T1 and 880980A02, Yamaha part numbers 68V-24410-00-00 and 6D8-24410-00-00, and aftermarket reference Sierra 18-7336. Reference numbers are provided for identification and should be checked against the original pump and the engine service information.
- Installs internally inside the Vapor Separator Tank (VST).
- Designed as a low-pressure electric fuel lift pump.
- Assembly includes the pump and listed service installation components.
- Aftermarket replacement part; not manufactured by Mercury, Mariner or Yamaha.
Part Number Matrix
Use the following references to compare the replacement with the part installed on your engine.
| Brand | Part Number |
|---|---|
| Mercury | 880890T1 |
| Mercury | 880980A02 |
| Yamaha | 68V-24410-00-00 |
| Yamaha | 6D8-24410-00-00 |
| Sierra | 18-7336 |
| Partman | 600-106 |
| SouthMarine | MC-FP-880890T1 |
Engine & Model Compatibility
Fitment details below are intended as a reference only. Confirm the complete engine model, year, stroke configuration and serial number before installation. The listed serial ranges must be kept together with the corresponding model.
| Brand | Model | Rated HP | Stroke | Years | Reference Part No. | Serial Number Notes |
|---|---|---|---|---|---|---|
| Mercury | 75 HP | 75 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0G960500 through 1B226999 |
| Mercury | 75 HP Bodensee | 75 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0G960500 through 1B226999 |
| Mercury | 90 HP | 90 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0G960500 through 1B226999 |
| Mercury | 115 HP EFI | 115 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0T178500 through 1B366822 |
| Mariner | 75 HP | 75 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0T409000 and later |
| Mariner | 90 HP | 90 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0T409000 and later |
| Mariner | 115 HP EFI | 115 | 4-Stroke | 2000–2006 | 880890T1 / 880980A02 | 0T178500 through 1B366822 |
Aftermarket listings also associate these reference numbers with selected Yamaha 4-stroke models. Verify the original Yamaha part number and the complete engine identification before relying on this cross-reference.
| Brand | Model | Rated HP | Stroke | Years | Reference Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F75 | 75 | 4-Stroke | 2000 and later | 68V-24410-00-00 / 6D8-24410-00-00 | Verify against the original part and service manual |
| Yamaha | F80 | 80 | 4-Stroke | 2000 and later | 68V-24410-00-00 / 6D8-24410-00-00 | Verify against the original part and service manual |
| Yamaha | F90 | 90 | 4-Stroke | 2000 and later | 68V-24410-00-00 / 6D8-24410-00-00 | Verify against the original part and service manual |
| Yamaha | F100 | 100 | 4-Stroke | 2000 and later | 68V-24410-00-00 / 6D8-24410-00-00 | Verify against the original part and service manual |
| Yamaha | F115 | 115 | 4-Stroke | 2000 and later | 68V-24410-00-00 / 6D8-24410-00-00 | Verify against the original part and service manual |
| Yamaha | LF115 | 115 | 4-Stroke | 2000 and later | 68V-24410-00-00 / 6D8-24410-00-00 | Verify against the original part and service manual |
Technical Specs
- Product Type
- Electric low-pressure fuel lift pump assembly
- Installation
- Internal installation inside the Vapor Separator Tank
- Fuel Type
- Gasoline
- Connection
- Electrical connection with wiring harness
- Housing Material
- Metal
- Housing Color
- Silver / metallic
- Weight
- Approximately 433 g (0.95 lb)
- Fitting Type
- Hose-barb connections
- Other Technical Attribute
- Low-amperage draw design
What’s in the Box
- 1 × Fuel pump assembly
- 1 × Hose clamp, reference 90465-10098-00
- 1 × O-ring, reference 93210-29198-00
- 1 × Approximately 3 × 35 mm outside-diameter tubing
Installation Notes
- Disconnect the battery and safely relieve fuel-system pressure before beginning work.
- Access and remove the Vapor Separator Tank (VST) according to the engine service manual.
- Disassemble the VST carefully and note the orientation of the pump, tubing, seals and related components.
- Disconnect the old pump's wiring harness and fuel lines, then remove the pump from the VST housing.
- Install the replacement pump and ensure the supplied O-ring, tubing and clamp are correctly positioned and seated.
- Reconnect the wiring harness and reassemble the VST using the correct torque and sealing procedures.
- Reinstall the VST, inspect every fuel and electrical connection, and prime the fuel system according to the engine service manual before starting.
Troubleshooting & FAQ
How do I know if this fuel pump fits my Mercury or Mariner engine?
Compare the engine brand, model, horsepower, 4-stroke configuration and serial number with the compatibility tables. The listed Mercury and Mariner applications use different serial-number conditions, so do not rely on horsepower alone.
Is this a high-pressure or low-pressure pump?
This is an electric low-pressure fuel lift pump. It is intended to transfer fuel within the VST fuel system and is not a replacement for the separate high-pressure fuel pump.
What are common signs of a failing low-pressure fuel pump?
Possible symptoms include hard starting, stalling at idle or low speed, hesitation under acceleration, or abnormal pump noise near the VST. These symptoms can also have other causes, so test the fuel and electrical systems before replacing parts.
Can this assembly be used on a Yamaha engine?
The listed Yamaha references and models are aftermarket cross-references. Confirm that your original pump carries one of the listed Yamaha part numbers and verify fitment in the appropriate service documentation before installation.
Is this an OEM part?
No. This is an aftermarket replacement fuel pump assembly designed to replace the listed reference numbers. It is not manufactured or branded by Mercury, Mariner or Yamaha.
How should the part be installed?
Fuel-system work should be performed with the battery disconnected and fuel pressure safely relieved. Follow the engine service manual for VST removal, assembly, torque specifications, priming and leak checks. Professional installation is recommended.
Safety & Important Information
- Confirm the original pump, reference numbers, engine model, year, stroke and serial number before purchase.
- Do not install the part if its connections, dimensions or component layout differ from the original assembly.
- Relieve fuel pressure and work in a well-ventilated area away from sparks, flames and other ignition sources.
- Inspect the system for fuel leaks after installation and before operating the engine.
- This is an aftermarket replacement component, not an original equipment manufacturer part.
About Sea Sierra
- Marine Replacement Parts — Practical replacement components for servicing common marine engine systems.
- Product Identification Support — Use the listed reference numbers and fitment details to compare the replacement with your original part.
- Service-Focused Information — Clear installation and safety guidance for responsible fuel-system maintenance.
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