04527 Refurbished Mercury 150hp DFI Optimax Fuel Injector - 37003
Proudly Accepting
Premium refurbished OEM fuel injector for Mercury 150hp DFI Optimax engines. Professionally serviced and flow-matched to restore original factory performance. Designed for the high-pressure demands of Direct Fuel Injection (DFI) systems, ensuring optimal fuel atomization, smooth idling, and maximum power. Includes new high-temperature Viton O-rings for a leak-free installation.
Precision Performance for Optimax DFI Systems
The 804527 Refurbished Mercury 150hp DFI Optimax OEM Fuel Injector is specifically engineered for the unique requirements of Mercury’s Direct Fuel Injection technology. These injectors operate under higher pressures than standard EFI systems, making precision and cleanliness vital for engine health. Our refurbishment process ensures that every injector meets or exceeds original equipment manufacturer (OEM) standards.
The South Bay Service Advantage:
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Ultrasonic Restoration: Deep-cycle cleaning to remove internal carbon and salt deposits common in marine use.
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Dynamic Flow Matching: Every unit is flow-tested to within 1-2% of factory specs to ensure balanced power across your cylinders.
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Leak Tested: High-pressure testing ensures zero bypass or leakage, protecting your engine from lean or rich conditions.
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New Hardware: Each injector is delivered with brand-new internal filters and Viton O-rings.
Fitment & Compatibility
This injector is a direct replacement for the following:
| Brand | Horsepower | Engine Type | Part Number |
| Mercury Marine | 150 HP | Optimax DFI (V6) | 804527 / 804527T |
| Mercury Marine | 135 / 150 / 175 HP | 2.5L V6 Models | 37003 / 804527A1 |
Tech Note: This is a fuel injector (typically identifiable by its darker color). If you are looking for the air injector (usually blue or grey in color), please check our air injector category for part number compatibility.