Fuel Pump Assembly – Fits Yamaha & Mercury 4-Stroke Outboards 75-115 HP
This mechanical fuel pump assembly is engineered for Yamaha and Mercury 4-stroke outboard engines ranging from 75 HP to 115 HP. Designed as a direct replacement for OEM part number 6D8-24410, it ensures reliable fuel delivery for models manufactured from 2006 onward, including Yamaha F75A, F75T, F90, F115A, F115TR, and F115J, as well as compatible Mercury 4-stroke engines.
This aftermarket assembly replaces multiple OEM part numbers across Yamaha (6D8-24410-00-00, 6D8-24410-10-00, 68V-24410-00-00) and Mercury (880890T1, 880980A02), providing broad cross-brand compatibility. It is built to OEM specifications and tested for consistent performance in marine environments.
- Includes fuel pump assembly, O-ring, and two cable ties for complete installation
- Direct bolt-on replacement—no modifications required
- Compatible with 4-stroke Yamaha and Mercury outboards 75-115 HP
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
Notes |
| Yamaha |
6D8-24410-00-00 |
Primary OEM number |
| Yamaha |
6D8-24410-10-00 |
Superseded version |
| Yamaha |
68V-24410-00-00 |
Cross-compatible |
| Mercury |
880890T1 |
OEM equivalent |
| Mercury |
880980A02 |
OEM equivalent |
Compatible Engine Models
Confirm your engine model/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.
For Mercury owners, here's a guide to help you identify your engine's serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
| Brand |
Model |
Rated HP |
Stroke |
Years |
| Yamaha |
F75A, F75T |
75 |
4-Stroke |
2006 and later |
| Yamaha |
F90 |
90 |
4-Stroke |
2006 and later |
| Yamaha |
F115A, F115TR, F115J |
115 |
4-Stroke |
2011-2014 |
| Mercury |
Mariner |
75, 90, 115 |
4-Stroke |
Compatible models |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
6D8-24410 |
| Pump Type |
Mechanical |
| Stroke |
4-Stroke |
| Horsepower Range |
75-115 HP |
| Compatible Brands |
Yamaha, Mercury |
Package Contents
Your package includes everything needed for installation:
- 1 × Fuel Pump Assembly
-
1 × O-ring (seal)
-
2 × Cable ties (for secure hose routing)
Installation Guide
-
Disconnect the battery and relieve fuel system pressure by removing the fuel cap and allowing vapors to dissipate.
-
Locate the existing fuel pump on the engine block. Take a photo of hose routing and electrical connections for reference.
-
Disconnect fuel lines from the inlet and outlet ports. Use a container to catch any residual fuel.
-
Remove mounting bolts securing the old pump to the engine using the appropriate socket or wrench.
-
Clean the mounting surface on the engine block, removing old gasket material and debris.
-
Install the new O-ring onto the pump mounting flange, ensuring it seats properly in the groove.
-
Position the new fuel pump onto the mounting surface, aligning bolt holes and ensuring the drive cam engages correctly.
-
Torque mounting bolts to manufacturer specifications in a cross-pattern to ensure even seating.
-
Reconnect fuel lines to the inlet and outlet ports, securing hose clamps firmly. Use the provided cable ties to prevent chafing.
-
Prime the fuel system by squeezing the primer bulb until it becomes firm and fuel flows freely.
-
Reconnect the battery and start the engine. Check for leaks around the pump and fittings.
-
Test run the engine at idle and under load to confirm proper fuel delivery and stable operation.
Troubleshooting & FAQ
Q: How do I confirm this fuel pump fits my engine?
A: Match your existing pump's OEM part number (6D8-24410-00-00, 6D8-24410-10-00, 68V-24410-00-00, 880890T1, or 880980A02) with the cross-reference table above. Verify your engine model and year in the compatibility table, and compare the product images with your original pump to ensure mounting configuration matches.
Q: What are the signs that my fuel pump is failing?
A: Common symptoms include difficulty starting, loss of power at high RPM, engine sputtering or stalling under load, or a collapsed/soft primer bulb that won't hold pressure. If the engine runs fine at idle but struggles at higher speeds, the pump may not be delivering adequate fuel volume.
Q: How often should I replace the fuel pump?
A: Mechanical fuel pumps typically last 3-5 years or 300-500 engine hours, depending on fuel quality and operating conditions. Replace immediately if you notice performance issues, fuel leaks, or visible diaphragm cracks during inspection.
Q: Can I use this pump with ethanol-blended fuel?
A: Yes, this pump is designed to handle modern gasoline formulations including up to E10 (10% ethanol). For best longevity, use fresh fuel and add a quality fuel stabilizer if the engine will sit unused for extended periods.
Q: What's the difference between this aftermarket pump and the OEM version?
A: This is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
-
Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
-
Fast Global Shipping: Free delivery worldwide in 5–15 days.
-
Direct from Manufacturer: Competitive pricing without compromising quality.