Mercury

Mercury 25HP-30HP FourStroke 300-Hour Maintenance Kit 8M0120839

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SKU:: 8M0120839
UPC:: MERCURY OEM SERV KIT-300 HR, 8M0
MPN:: 8M0120839
Availability:: Usually Ships within 24hours
Weight:: 21.44 Ounces
Shipping:: Calculated at Checkout

MSRP: $326.99

$277.99

— You save $49.00

Not sure if this part fits your engine?
Call our Marine Specialists at (727) 596-5929 or fill out a Contact Form .

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Description
Warranty Information

Description

The Mercury 25HP-30HP FourStroke 300-Hour Maintenance Kit 8M0120839 is designed to simplify scheduled 300-hour maintenance while helping support engine reliability, fuel system performance, cooling system efficiency, and long-term durability.

Compatible With:

Mercury 25HP FourStroke outboards
Mercury 30HP FourStroke outboards

Kit Includes:
Oil filter, fuel filter, oil drain seal, gearcase seals, thermostat and thermostat gaskets, three spark plugs, water pump impeller kit, and unit anode.

This maintenance kit contains the Mercury-recommended replacement components required for the 300-hour service interval. Genuine Mercury service parts help ensure proper fitment, performance, and compatibility compared to aftermarket alternatives while helping maintain dependable on-water performance.

To confirm compatibility, contact our team with your engine serial number at (727) 596-5929 before ordering.

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Warranty Information

This product is covered under the manufacturer’s limited warranty when applicable. Warranty coverage varies by manufacturer and product type. Please review our Warranty Coverage & Product Protection page for full details.

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Shipping options, return information, warranty coverage, and fitment assistance available.