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Thermostat & Housing Kit 850055A2 for Mercury Mariner Outboard Engine 2-Stroke 40 50 60 HP

Thermostat & Housing Kit 850055A2 for Mercury Mariner Outboard Engine 2-Stroke 40 50 60 HP

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SKU#: FPPX2509420
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Product Details

Thermostat & Housing Kit 850055A2 for Mercury Mariner Outboard Engine 2-Stroke 40 50 60 HP

Replacement Part Number: 850055A2

Application:
Fit For Mercury Mariner Outboard Engine 2-Stroke 40 50 60 HP

Product Highlights
Brand: FridayParts
Compatible Engine Brand: For Mercury
Engine Number: 40 hp, 50 hp, 60 hp
Replacement Part Number: 850055A2
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Top Reviews

user
Curtis Stowers
Reviewed on 24/09/2025
Quick Fix, Works Perfectly

Swapped this thermostat kit onto my 50HP Mariner and it was super easy. Everything fit right, no leaks, and engine heats up perfectly. Took maybe 30 minutes and now runs smooth and reliable. Definitely happy with this purchase!

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