• 855676 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part
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855676 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part

855676 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part

$146.05 AUD
$146.05 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Genuine Quicksilver FourStroke Thermostat - Part Number: 855676

A genuine Quicksilver thermostat used in selected Mercury and Mariner FourStroke cooling systems. This thermostat family is commonly associated with 60°C / 140°F FourStroke outboard applications and is used where the parts diagram specifies thermostat 855676 or the related 855676003 / 825212 service family.

⚙️ Key Features

  • Genuine Quicksilver OEM thermostat
  • Correct Mercury part number 855676
  • Used on selected Mercury / Mariner FourStroke outboards
  • Related to 855676003, 855676A1 and 825212 thermostat references
  • Helps regulate cooling water temperature and engine warm-up

🚤 Compatibility

Commonly used on

  • Mercury / Mariner FourStroke outboard thermostat applications

Typically suits

  • Engine models:
  • Mercury / Mariner 8HP FourStroke applications where 855676 is specified
  • Mercury / Mariner 9.9HP FourStroke applications where 855676 is specified
  • Mercury / Mariner 13.5HP FourStroke International applications where 855676 is specified
  • Mercury / Mariner 15HP FourStroke applications where 855676 is specified
  • Mercury / Mariner 25HP FourStroke applications where 855676 is specified
  • Mercury / Mariner 30HP FourStroke - USA serial 0G760300 to 1B226999
  • Mercury / Mariner 30HP FourStroke - Belgium serial 0P017000 to 0P400999
  • Mercury / Mariner 40HP FourStroke - USA serial 0G231123 and up
  • Mercury / Mariner 40HP FourStroke - Belgium serial 0P017000 and up
  • Mercury / Mariner 45HP FourStroke applications where 855676 is specified
  • Mercury / Mariner 50HP FourStroke - USA serial 0G231123 to 0T178499
  • Mercury / Mariner 75HP and 90HP FourStroke applications where 855676 thermostat family is specified
  • HP Range: 8HP - 90HP FourStroke where specified
  • Engine Type: Mercury / Mariner FourStroke outboard
  • Temperature Rating: commonly 60°C / 140°F thermostat family

🔌 Function

The thermostat controls cooling water flow through the engine so the outboard reaches and maintains correct operating temperature.

⚠️ Common Signs of Failure

  • Engine overheating
  • Engine running too cold
  • Slow warm-up
  • Temperature alarm
  • Thermostat corrosion, debris or sticking

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 855676003 related later thermostat reference
  • 855676A1 related thermostat kit reference
  • 825212001 related thermostat reference
  • 825212T02 related service reference
  • 855676 earlier OEM thermostat reference

OEM / Related Numbers

  • 855676
  • 855676003
  • 855676A1
  • 825212
  • 825212001
  • 825212T02

Aftermarket / Verified Equivalents

  • Sierra: 18-3642
  • Sierra: 18-3541
  • Recmar: REC825212T02

📦 Condition

  • Genuine Quicksilver part
  • Brand new
  • Supplied in original or equivalent packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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