Fuel Pump Module 8M0047215 864650A13 for MerCruiser Cool Marine Engine 350 377 496 Mag 5.0L 5.7L 6.2L
This fuel pump is engineered as a direct replacement for the MerCruiser Cool Marine Engine 350 377 496 Mag 5.0L 5.7L 6.2L. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Fuel Pump Module 8M0047215 864650A13 for MerCruiser Cool Marine Engine 350 377 496 Mag 5.0L 5.7L 6.2L Replacement Part Number: 8M0047215, 864650A13, 864650A05 Applications:Fit For Mercruiser Marine Engine:350 Mag MPI Alpha/Bravo350 Mag MPI Horizon Alpha/Bravo and EC350 Mag MPI Horizon MIE350 Mag MPI MIE377 Mag MPI Alpha/Bravo EC377 Mag MPI Bravo496 Mag Base and High Output496 Mag EC Base and High Output5.0L MPI Alpha/Bravo and EC5.7L MPI Horizon MIE5.7L MPI MIE and EC5.7L SKI EC6.2L MPI Horizon MIE and EC8.1L Inboard Base, EC and High Output8.1L Towsport BaseMX 6.2L MPI BravoMX 6.2L MPI Horizon BravoMX 6.2L MPI Horizon MIEMX 6.2L MPI MIEScorpion 350 ECScorpion 377 HO EC | See product specifications |
Replaces OEM Part Numbers
8M0047215 • 864650A13 • 864650A05
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the fuel pump may be the cause:
- Engine cranks but won’t start — The pump may have lost prime or stopped delivering fuel. Check for fuel at the filter outlet before replacing the pump.
- Stalling under load — A weak pump can’t maintain pressure at high demand. The engine runs fine at idle but dies when you put it to work.
- Fuel pressure warning (if equipped) — Modern equipment monitors fuel rail pressure. A low-pressure warning often means the pump is failing.
- Loud whining from fuel system — A failing pump makes a high-pitched whine that gets louder as it warms up. Normal pump noise is a low hum.
- Air in fuel lines — If you see bubbles in the transparent fuel line or the primer bulb won’t stay firm, the pump may be drawing air through a worn seal.
- Excessive return flow — Too much fuel returning to the tank instead of reaching the injectors indicates internal pump wear.
Before You Replace the Pump
Before replacing the pump, check the fuel filter and fuel lines for restrictions. A blocked filter causes the same symptoms as a failing pump on equipment. When installing the new pump, fill it with clean fuel before connecting the lines — this reduces priming time and prevents dry-run damage. After installation, bleed the system fully and check for leaks at all connection points. Replace the fuel filter at the same time as the pump to protect the new unit from debris.
Frequently Asked Questions
Can I cross-reference 8M0047215 with 864650A13?
Yes. Both 8M0047215 and 864650A13 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My engine code is EC350 with a 5.0L displacement – is this the right part?
Yes. Engine code EC350 with 5.0L displacement is within the supported range for this part. The full list of compatible engine codes includes: EC350, MIE350, MIE377, EC377. Confirm your engine code on the data plate attached to the engine block.
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