861260T Fuel Injector – Mercury 5.7L, 6.2L, 454, 7.4 HO, 502, 8.2 Marine EFI
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OEM fuel injector for Mercury Marine EFI engines. Specifically engineered for 5.7L, 6.2L, 7.4L (HO), 8.2L, 454, and 502 cubic inch applications. This injector ensures precise fuel delivery, improved throttle response, and maximum engine reliability in harsh marine environments. Fully flow-matched and ready for installation with pre-installed O-rings.
The 861260T Mercury Marine Fuel Injector is a genuine OEM replacement designed for a wide range of Mercury and MerCruiser multi‑port EFI marine engines, including 5.7L, 6.2L, 454, 7.4 HO, 502, and 8.2L platforms.
This is the correct replacement injector for many popular small‑block and big‑block Mercury EFI engines used in cruisers, performance boats, and sport boats.
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OEM‑spec Mercury 861260T fuel injector
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Fits a wide range of 5.7L–8.2L Mercury/MerCruiser EFI engines
- Restores proper fuel atomization and combustion efficiency
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Includes O‑rings and seals
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Ready for direct installation
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Ideal for fixing misfires, rough idle, hesitation, or poor fuel econom
Compatibility
Mercury / MerCruiser EFI Engines:
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5.7L
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6.2L
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454
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7.4 HO
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502
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8.2L
Covers multiple model years and EFI configurations across Mercury’s small‑block and big‑block marine engine lineup.