Skip to product information
1 of 1

833072004 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part

833072004 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part

Regular price $56.60 AUD
Regular price Sale price $56.60 AUD
Sale Sold out
Shipping calculated at checkout.
Quantity

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

🔧 Product Description

Genuine Quicksilver 143°F Thermostat - Part Number: 833072004

A genuine Quicksilver 143°F thermostat used on selected Mercury 1.5L 3-cylinder DFI / OptiMax outboards. This thermostat controls cooling water flow through the engine to help maintain correct operating temperature.

⚙️ Key Features

  • Genuine Quicksilver OEM thermostat
  • Correct Mercury part number 833072004
  • 143°F / 62°C thermostat
  • Used on selected Mercury 1.5L 3-cylinder DFI / OptiMax engines
  • Direct replacement cooling system service thermostat

🚤 Compatibility

Commonly used on

  • Mercury 1.5L 3-cylinder DFI / OptiMax cooling system thermostat applications

Typically suits

  • Engine models:
  • Mercury 75 DFI 1.5L 3-cylinder - 2006 and newer, serial 0T980000 and up
  • Mercury 75 DFI 1.5L 3-cylinder - serial 0T980000 to 2B112577
  • Mercury 90 DFI 1.5L 3-cylinder - 2004 and newer, serial 0T801000 and up
  • Mercury 90 DFI 1.5L 3-cylinder - serial 0T801000 to 2B112577
  • Mercury 115 DFI 1.5L 3-cylinder - 2004 and newer, serial 0T801000 and up
  • Mercury 115 DFI 1.5L 3-cylinder - serial 0T801000 to 2B112577
  • Mercury 80 Jet DFI 1.5L 3-cylinder - serial 1B586067 to 2B111840
  • Mercury 115 Pro XS 1.5L 3-cylinder applications where 833072004 is specified
  • Mercury 125 DFI 1.5L 3-cylinder applications where 833072004 is specified
  • HP Range: 75HP - 125HP DFI / OptiMax applications where specified
  • Engine Type: Mercury 1.5L 3-cylinder DFI / OptiMax outboard
  • Temperature Rating: 143°F / 62°C
  • System Type: Cooling system thermostat

🔌 Function

The thermostat controls cooling water flow to maintain proper operating temperature and cooling-system stability.

⚠️ Common Signs of Failure

  • Overheat warning
  • Engine runs too cold
  • Poor idle or running quality from incorrect temperature
  • Thermostat stuck open or closed
  • Corrosion or debris in the thermostat housing

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 833072004 current OEM thermostat reference
  • 833072003 related thermostat reference
  • 833072002 related thermostat reference

OEM / Related Numbers

  • 833072004
  • 833072003
  • 833072002
  • 833072
  • 18-3537 related aftermarket reference
  • 18-3536 related aftermarket reference

Aftermarket / Verified Equivalents

  • Sierra: 18-3537
  • Sierra: 18-3536

📦 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.

View full details