PRODUCT DETAILS
THERMOSTAT & HOUSING KIT – GENUINE QUIKSILVER
Fits Mercury / Mariner outboards 50HP & 60HP 2‑Stroke (3 Cylinder / 3 Carburettor Models) including Bigfoot variants.
Includes:
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Aluminium Thermostat Housing
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Housing Gasket
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Thermostat & Seat
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Rubber Seal
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Cable Tie
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Water Telltale Outlet Pipe
Genuine Part Number: 850055A2
Mercury/Mariner engine block latest models without poppet valve
This Kit is Designed to Fit:
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40HP 3‑cyl 2‑Stroke (USA Serial 0G531301 and up / BEL 9855139 and up)
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50HP 3‑cyl 2‑Stroke (USA Serial 0G590000 and up / BEL 9973100 and up) 55HP 3‑cyl 2‑Stroke (USA 0G590000 & up / BEL 9973100 & up)
Why Choose SSI Marine?
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Workshop‑tested aftermarket & OEM parts
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Fast dispatch from our UK warehouse
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Tracked 24‑hour UK delivery
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Expert technical support available
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UK stock – same‑day dispatch if ordered before 1 PM (Mon–Fri)
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Collection available from our Leigh (Manchester) unit
⚠️ Important: It is the buyer’s responsibility to confirm compatibility with your engine model and serial number before purchasing. If in doubt, contact us and our team will be happy to help.
SHIPPING & DELIVERY
Delivery:
We offer free shipping on all orders over £150 (excluded outboard engines, trailers)
Standard Shipping - £ 8.50
Orders are typically shipped within 1 business day of receipt of payment. We ship via Royal Mail Tracked 24 delivery service. Delivery times vary depending on the delivery destination.
For engines delivery cost please ask for a quote.
It is the buyer's responsibility to ensure that the correct shipping address is supplied.
All item(s) will be despatched to the registered address.
Tracking your order:
Once your order has been shipped, you will receive a tracking number via email. You can track your order online using the tracking number provided.
Returns:
We accept returns of unused and undamaged items within 30 days of purchase.
To return an item please contact us for a return authorisation number. Return shipping costs are the responsibility of the customer.
Refunds:
Refunds will be issued for the purchase price of the item, less shipping costs. Refunds will be issued in the same form of payment as the initial purchase.
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