Description

Mercury / MerCruiser Quicksilver Serpentine Belt — 880566Q14

The Mercury Quicksilver 880566Q14 is a genuine OEM serpentine (alternator drive) belt used on a wide range of Mercury Verado outboards. This multi-rib belt transfers power from the crankshaft to key engine accessories, helping maintain proper battery charging and cooling system operation.

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Key Features

• Genuine Mercury / Quicksilver OEM part

• Multi-rib serpentine belt for efficient power transfer

• Drives critical engine accessories such as the alternator and other belt-driven systems

• Designed for high-load marine environments and reliable long-term operation

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Compatible Engines

Commonly used on Mercury Verado outboards, including:

4-Cylinder Verado

• 135 HP

• 150 HP

• 175 HP

• 200 HP

6-Cylinder Verado

• 200 HP

• 225 HP

• 250 HP

• 275 HP

• 300 HP

• 350–400 HP models (depending on serial range)

Exact applications depend on engine serial number ranges, including many engines 1B311420 and newer.

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Superseded Part Number

Mercury later updated this belt to:

8M0232583 (current replacement)

Many suppliers list 880566Q14 as the earlier part number that has been superseded by 8M0232583.

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Service Tip

Inspect the serpentine belt regularly for:

• Cracks between ribs

• Fraying edges

• Glazing or slipping

A worn belt can cause charging issues, overheating, or accessory failure.

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Fitment Tip:
Always verify compatibility using the engine model and serial number. Mercury frequently changes belt lengths and accessory layouts between engine generations.

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Shipping: Ships same or next day for fast Canada wide shipping.