Mercury Serpentine Belt for Verado 3.4L V6 and 4.6L V8 Engines 200-500HP (8M0142251) is superseded to (8M0218433)

Description

8M0142251 is superseded to 8M0218433

Alternator belt 8M0142251 is reinforced for durability and long service life. Easy to install with common tools. See your owner's manual or service manual for specific applications. Replace worn or damaged belts to maintain proper function of engine systems driven by the belt. Easy to install using common tools. Belt in proper working condition? Grab extras for emergency situations. Our technicians suggest at least one belt per motor as a spare. Damaged or completely torn belts can be detrimental to your engines horsepower, causing issues with getting on plane. 

When do I need to change my belt? Mercury suggests change of the Serpentine Belt (8M0142251) every 300 hours with engines 225-300 V8 4.6L engines. Please note, if you run the boat hard or have a Mercury Racing 450R/500R -- this belt needs to be changed every 100 hours along with the supercharger belt. 

Fits all Mercury 3.4L V6 and 4.6L V8 4-stroke outboards outboard engines ranging from 175-450 horsepower (s/n: 2B529482 & above)

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