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The Official Online Store for Briggs & Stratton® Engines and Parts

Briggs & Stratton 798938 Thermostat

798938

$29.12

Genuine Briggs and Stratton replacement part. This OEM part ensures proper fit and performance to maintain the life of your equipment. Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement.

  • Fits many 110P02 / 110P05 / 111P02 / 111P05 / 111P07 / 112P02 / 112P05 / 112P07 / 114P02 / 114P05 / 114P07 / 11P902 / 11P905 / 11P907 / 120P02 / 121P02 / 121Q02 / 121Q06 / 121Q07 / 121Q12 / 121Q42 / 121Q72 / 121R02 / 121S02 / 121S05
  • Also fits many 121S07 / 121S0B / 121S12 / 121S17 / 121S72 / 121S75 / 121S77 / 122Q02 / 122Q05 / 122Q07 / 122Q0B / 122Q12 / 122Q32 / 122Q42 / 122Q47 / 122Q72 / 122Q77 / 122R02 / 122R05 / 122R07 / 122R42 / 122S02 / 122S07 / 122S0B / 122S42 / 122S72 / 122S75 / 124Q02 / 124Q07 / 124Q72 / 124S02 / 124S05 / 124S07 / 124S72 / 124S75 / 124S77 / 12Q902 / 12Q907 / 12Q912 / 12Q972 / 12S902 / 12S905 / 12S907 / 12S972 / 12S975 / 12S977 / 14B932 / 14B937 / 14D932 / 14D935 / 14D937 / 14D942 For more compatibility information please contact us
  • The thermostat regulates the engine's temperature by controlling the flow of coolant between the engine and the radiator, ensuring optimal operating conditions
  • Utilizes a wax pellet that expands and contracts with temperature changes, opening and closing the valve to manage coolant flow
  • Designed to fit within the limited space of small engines, making it suitable for lawn mowers, generators, and other outdoor power equipment
  • By maintaining a consistent engine temperature, the thermostat helps prevent overheating and overcooling, which can cause engine damage

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov