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203 degree Thermostat/ CAM Sensor Blue Combo 1994-2003 7.3L Powerstroke

Our Price: $104.19

104 reward points

Model: 1845806C2/1876736C91
Shipping Weight: 2lbs
Manufactured by: International

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203 degree Thermostat Short Stem version

Diesels run most efficiently at approximately 200 degree or above. A factory equipped 192/195 degree thermostat will maintain an operating temperature at approximately 165-170 degree. The Powerstroke has such an efficient cooling system, that this low flow when the thermostat is slightly open is normally enough to keep the engine cool. The downfall to this is that the engine -- when our trucks are not under load --never begins to reach its optimal operating temperature. Our 203 degree thermostat maintains a minimum operating temperature of 190o. This brings the operating temps up from as low as 170 degree to as high as 203o depending on the operating conditions of the truck. This is closer to the operating temperature range that is preferable in our trucks for optimal efficiency.

When our trucks are under load and are producing higher combustion temperatures the 203 degree will allow the engine to run even closer to its optimal operating temperature. If the truck is under load and reaches the 203 degree setting, the thermostat is then fully open. This means you are at the maximum coolant temperature that the truck will reach. Your maximum temperatures are only a few degrees higher than in stock configuration, but these are degrees that you want for better performance. The best benefits come when the same truck is under a light load and would have a hard time reaching this optimal temperature. As stated above, you will never reach this optimum temperature with the stock 195o thermostat. The end result of installing the 203 degree thermostat should be slightly better fuel economy, less smoke, and maybe a few extra "ponies" to go along with it.


Higher optimum operating temperatures reached safely by using our thermostat with the long stem for bypass protection. It's that simple. We've combined the two units to bring you a safe alternative. Now you can have the optimal operating temperatures without risking the chance of uncontrolled overheating in the back cylinders of the block due to an uncontrolled bypass.


  • 90 days on manufacturing defects and workmanship only.
  • There are no other warranties, written or implied.
  • Improperly or poorly maintained systems can lead to failures in thermostats.
  • As with all cooling system modifications, a water temperaure gauge is a highly important tool in monitoring the system.
  • As with the OEM thermostat requirements, we recommend that you change your thermostat out once per year to insure proper functioning of the unit.

    Improved CAM Sensor Features:

  • If you own a 7.3L Powerstroke, you may already be aware of the shortcomings of the stock Cam Position Sensor (CPS). It is common for the CPS to fail causing the engine to run poorly or to stop running altogether and it usually happens at the most inconvenient times, such as in traffic or pulling a load so many owners carry a spare CPS.
  • This International Harvester CPS can be installed in the Powerstroke engine and will make the engine run quieter, smoother while increasing performance and mileage!
  • Provides a different signal (changes timing from standard CPS) to the Ford computer which results in a more accurate injection of fuel and better running engine with easier starts!
  • Works on all 94-03 7.3L Powerstroke Diesel.
  • Performance Results vary by applications!
  • International Part Number: IHC#1876736C91

    Free Overnight shipping in the US or USPS Priority International

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