Fuel Pump 14360T74 for Mercury Marine 200 225 250 HP PRO XS 300XS 250XS 115 125 DFI
This fuel pump is engineered as a direct replacement for the Mercury Marine 200 225 250 HP PRO XS 300XS 250XS 115 125 DFI. 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 14360T74 for Mercury Marine 200 225 250 HP PRO XS 300XS 250XS 115 125 DFI Replacement Part Number: 14360T74, 8M0036779 Applications:Fit for Mercury Marine:300XS (3.2L) | 300XS (3.2L DFI) 75, 90, 115, 125 DFI 1.5L (3 CYLINDER) – 125 DFI (3 CYL.)(1.5L)200, 225, 250, 200 PRO XS (3.0L)(MECHANICAL) – 225 (DFI) 3.0L JP 3.0L DFI – JP 3.0L DFI225 SPORT XS DFI (3.0L) – 225 SPORT XS (3L) 115 PRO XS 1.5L – 3 CYLINDER – 115 Pro XS (3 CYL.)(1.5L)250XS DFI (3.0L) – 250XS (3.0L DFI) 75, 90, 115 DFI – 115 DFI (3 CYL.)(1.5L)250 PRO XS (3.0L) – 250 PRO XS (3.0L DFI) 225XS, 225 SPORT XS DFI (3.0L) – 225 SPORT XS250XS, 250 SPORTXS DFI (3.0L) – 250XS (3.0L DFI) 200 OPTIMAX V6 DFI – 200 PRO XS (DFI) 3.0L75, 90, 115 DFI 1.5L (3 CYLINDER) – 115 DFI (3 CYL.)(1.5L) 75, 90, 115 DFI 1.5L (3 CYLINDER) – 80 Jet (3 CYL.)(1.5L)75, 90, 115, 125 DFI 1.5L (3 CYLINDER) – 80 Jet (3 CYL.)(1.5L) 225 PRO XS (3.0L) DFI – 225 PRO XS (3.0L DFI)JP5 3.0L DFI – JP 3.0L DFI 200, 225, 250, 200 PRO XS (3.0L)(MECHANICAL) – 250 (DFI) 3.0L200, 225, 250, 200 PRO XS (3.0L)(MECHANICAL) – 200 PRO XS (DFI) 3.0L 225, 250 PRO XS (3.0L) – 250 PRO XS (3.0L DFI)200, 225 DFI (3.0L)(DTS) – 225 (3.0L-DFI)(DTS) 200, 225 DFI (3.0L) – 225 (DFI) 3.0L75, 90, 115 DFI – 90 DFI (3 CYL.)(1.5L) 200, 225 (3.0L)(MECHANICAL) – 225 (DFI) 3.0L250XS, 250 SPORTXS DFI (3.0L) – 250 Sport XS 250 SPORTXS DFI (3.0L) – 250 Sport XS |
Replaces OEM Part Numbers
14360T74 • 8M0036779
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 14360T74 with 8M0036779?
Yes. Both 14360T74 and 8M0036779 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
How do I check if my engine code (DFI225) matches?
The engine code is stamped on a metal tag attached to the engine block, usually near the timing belt cover or on the cylinder head. Compare the code you find with the list above. Engine codes are 3 to 6 characters long.
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