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Replacement Thermostat 833072003 - 75 HP - 115 HP Mercury OptiMax OutboardsĀ 

  • Easy to replace with common tools. See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat.
  • 143 F degree thermostat. Use only the temperature thermostat listed in your owner's manual or service manual.
  • Proper engine cooling temperature assures peak performance and highest efficiency.
  • Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Thermostat 833072003 is for the 75 hp through 115 hp Mercury OptiMax outboard (serial number 1B227000 and above) It is a 143 F degree thermostat.

Don't know if this part is right for your application? Use our handy Mercury Replacement Parts Finder Tool to check. Make sure you know your Model, Year and Serial Number.

NOTICE: Any images shown are representational ONLY and do not necessarily depict the actual part or included items in a particular part or kit. Mercury has been known to remove items depicted in product images such as screws or gaskets from kits they make without notification. For any product content, fitment or application questions on this part please call Mercury Product Support at 920-929-5040.

MSRP: $50.33
Your Price: $43.14
You Save: 14% off MSRP!

NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
ALL OEM Mercury parts may take up to 7-10 days to ship. All OEM Mercury parts are NON-RETURNABLE! Orders placed on all OEM Mercury parts are NON-REFUNDABLE! Please contact us with the part number and we can assist you with more accurate delivery time estimate.
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Additonal Info On This Product:

Applications Where This Item Is Used:

135/150/175 DFI (2.5L) - V-175 DFI (2.5L)200XS DFI (2.5L) ROS - 200XS DFI (2.5L) ROS
175 PROXS (2.5L) - 175 PROXS (2.5L)200XS DFI (2.5L) - 200XS DFI (2.5L)
135/150/175 DFI (2.5L) - 110 Jet (2.5L)150 PRO XS (2.5L) - 150 Pro XS (2.5L)
200XS SST - 200XS SST200XS SST - 200XS SST
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