• 8M0091784 Aftermarket Mercruiser Injector | Sawley's Select Marine Parts
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8M0091784 Aftermarket Mercruiser Injector | Sawley's Select Marine Parts

8M0091784 Aftermarket Mercruiser Injector | Sawley's Select Marine Parts

$72.80 AUD
$72.80 AUD
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🔧 Product Description


Sawley's Select Marine Parts Aftermarket Mercury / MerCruiser Fuel Injector - Part Number: 8M0091784


A new aftermarket replacement fuel injector for selected Mercury and Mariner 25HP and 30HP EFI four-stroke outboards. This injector replaces Mercury / MerCruiser catalogue number 8M0091784 and supersedes from 898101T74 in Mercury replacement data.


⚙️ Key Features


• Sawley's Select Marine Parts aftermarket fuel injector

• Replaces Mercury / MerCruiser OEM part number 8M0091784

• Supersedes from Mercury injector 898101T74

• Used on Mercury / Mariner 25HP and 30HP EFI 3-cylinder four-stroke applications

• Also cross-referenced with selected Tohatsu MFS25 / MFS30 injector applications


🔄 Supersession & Cross Reference


OEM Supersession Chain:


• 898101T74 earlier Mercury fuel injector reference

• 898101T75 related fuel rail / injector assembly reference in some used-part listings

• 8M0091784 later Mercury fuel injector reference


OEM / Related Numbers:


• 8M0091784

• 898101T74

• 898101T75 related assembly / service listing reference

• 3AC-10300-0 Tohatsu related injector reference

• 3AC-10300-1 Tohatsu related injector reference

• Fuel injector

• EFI injector

• 25HP EFI injector

• 30HP EFI injector

• Mercury 3-cylinder injector


Aftermarket / Verified Equivalents:


• Recmar-style / RCMA replacement reference WI-1008

• Aftermarket replacement for 898101T74 / 8M0091784

• Tohatsu-related aftermarket replacement for 3AC-10300-0 / 3AC-10300-1 where specified


🚤 Compatibility


Commonly used on:


• Mercury / Mariner 25HP and 30HP EFI three-cylinder four-stroke fuel systems


Typically suits:


• Engine models:

• Mercury 25 EFI 3-cylinder 4-stroke - serial 0R106999 to 1R162636

• Mercury 25 EFI 3-cylinder 4-stroke - serial 0R106966 and up in replacement listings

• Mercury 25 EFI Jet 3-cylinder 4-stroke - serial 0R165086 to 1R162636

• Mercury 30 EFI 3-cylinder 4-stroke - serial 0R106999 to 1R162636

• Mercury 30 EFI 3-cylinder 4-stroke - serial 0R106966 and up in replacement listings

• Mercury F25E1PT used-part reference example - serial 0R189611

• Mercury / Mariner 25HP EFI 3-cylinder four-stroke applications using 898101T74 / 8M0091784

• Mercury / Mariner 30HP EFI 3-cylinder four-stroke applications using 898101T74 / 8M0091784

• Tohatsu MFS25A fuel-injection applications using related 3AC-10300 series injector

• Tohatsu MFS25B fuel-injection applications using related 3AC-10300 series injector

• Tohatsu MFS25C fuel-injection applications using related 3AC-10300 series injector

• Tohatsu MFS30A fuel-injection applications using related 3AC-10300 series injector

• Tohatsu MFS30B fuel-injection applications using related 3AC-10300 series injector

• Tohatsu MFS30C fuel-injection applications using related 3AC-10300 series injector


• HP Range: 25HP - 30HP

• Engine Type: Mercury / Mariner EFI three-cylinder four-stroke outboard fuel system

• Year Range: approximately 2006 - 2021 depending on model and serial range

• Serial Note: Match by exact Mercury serial number, 3-cylinder EFI fuel rail, injector connector and original injector number before installation.


🔌 Function


The fuel injector meters and sprays fuel into the intake system so the ECU can control fuel delivery for starting, idle, acceleration and running load.


Common signs of failure:


• Hard starting

• Rough idle

• Misfire on one cylinder

• Hesitation under acceleration

• Poor fuel economy

• Fuel smell or injector leakage

• Lean or rich cylinder fault

• Injector spray pattern or balance test fails


📦 Condition


• Aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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