Description
This genuine Briggs & Stratton thermostat (OEM No. 798938) is a direct replacement part designed to regulate operating temperature in small petrol engines for steady, reliable performance. Built with a durable metal body and heat-responsive internal element, it helps the engine warm up promptly and maintain an efficient temperature under load. The robust construction resists corrosion and wear for long service life. Suitable for garden and light construction equipment powered by Briggs & Stratton single‐cylinder engines, including popular series such as 110P02 and 110P05, it supports efficient running, reduces the risk of overheating, and helps protect critical engine components. Ideal for tradespeople, grounds maintenance teams, and home users who need dependable uptime from lawnmowers, walk‐behind mowers, and similar machinery.
Key Features:
– Genuine Briggs & Stratton part for assured compatibility and build quality (OEM 798938)
– Precise fit on listed engine families for consistent temperature control and smooth running
– Durable metal construction with corrosion-resistant components for long service life
– Helps prevent overheating and supports efficient warm-up for better fuel use and performance
– Stable operating temperature aids starting, idling, and load response across UK seasons
– Direct replacement design to reduce downtime; fits using standard hand tools
– Suitable for a wide range of engines used in lawn and garden machinery and light-duty site equipment
Typical Applications:
Used on Briggs & Stratton-powered walk‐behind lawnmowers, self‐propelled mowers, garden equipment, and selected light construction tools. Common in domestic and professional settings where reliable temperature regulation supports clean running, stable power delivery, and engine longevity during regular mowing, grounds care, and maintenance tasks.
Also known as:
Engine thermostat, thermal regulator, temperature control unit, thermostat assembly, heat‐responsive actuator for small engines, engine heat control component.
Fits Models:
110P02, 110P05, 111P02, 111P05, 111P07, 112P02, 112P05, 112P07, 114P02, 114P05, 114P07, 11P902, 11P905, 11P907, 120P02, 121P02, 121Q02, 121Q06, 121Q07, 121Q12, 121Q42, 121Q72, 121R02, 121S00, 121S02, 121S05, 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, 12AE999T, 12AE999T010, 12AE999T710, 12BVB15R799, 12Q902, 12Q907, 12Q912, 12Q972, 12S902, 12S905, 12S907, 12S972, 12S975, 12S977, 14B902, 14B907, 14B932, 14B935, 14B937, 14B945, 14B947, 14B977, 14D932, 14D935, 14D937, 14D942, CC999ES, HU775H
Alternate Part Numbers:
798938, BS798938
Product Specifications
| L&S Part No. | BS798938 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Briggs & Stratton |
| OEM No. | 798938 |
| Unit of Sale | 1 |
| Applications | 110P02, 110P05, 111P02, 111P05, 111P07, 112P02, 112P05, 112P07, 114P02, 114P05, 114P07, 11P902, 11P905, 11P907, 120P02, 121P02, 121Q02, 121Q06, 121Q07, 121Q12, 121Q42, 121Q72, 121R02, 121S00, 121S02, 121S05, 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, 12AE999T, 12AE999T010, 12AE999T710, 12BVB15R799, 12Q902, 12Q907, 12Q912, 12Q972, 12S902, 12S905, 12S907, 12S972, 12S975, 12S977, 14B902, 14B907, 14B932, 14B935, 14B937, 14B945, 14B947, 14B977, 14D932, 14D935, 14D937, 14D942, CC999ES, HU775H |
| Machine Type | Engines |
| Fits Brands | Briggs & Stratton |
Thule Roof Bar Fitting Kit for Flush-mounted Roof Rails 186049 4 Pack
Better Homes & Gardens Ventura Outdoor Wicker Stationary Natural (Kid’s Egg Chair), 21.65 in. x 27.17 in. x 39.57 in.
Better Homes & Gardens Waylen Slipcover Swivel Chair, Cream, by Dave & Jenny Marrs
Airheads Candy Bars, Variety Bulk Box, Chewy Full Size Fruit Taffy, Back to School for Kids, Non Melting, Party, 72 Count
14k White Gold Diamond Fascination Squared Hinged Hoop Earrings
Stainless Steel Brushed and Polished Black IP-Plated 8.25in Link Bracelet
Ninja Woodfire Adjustable Outdoor Stand with 3 height levels, XSKUNSTAND
For Galaxy S10 / Galaxy S10+ 10 Set Side Keys(Pink)
Couristan Recife Saddle Stitch Ivory-Indigo 8 ft. x 11 ft. Indoor/Outdoor Area Rug
Rocksax AC/DC Drink Bottle – Logo
Data Harvest Dynamics System Spare Cart 1541 [80629]
For Pocketbook InkPad 4 / Color2 /3 /PB743 Painted Retro Skin-feel Leather Smart Tablet Case(Plum Bossom)
Prada Men’s Eyeglasses – Matte Blue Semi-Rimless Oval Frame | 0PR 57YV 02N1O1
For Galaxy Tab S 8.4 / T700 Front Screen Outer Glass Lens (Black)
Milwaukee Packout Red/White 40 qt Cooler
SUNVIVI Brushed Mixed Gray 5-Piece Wicker Outdoor Sectional Rattan Sofa Sets, Couch Conversation Set & Table with Grey Cushions
Sterling Silver Rolo and Twisted Oval Bracelet
Larabar Key Lime Pie, Gluten Free Vegan Fruit & Nut Bar, 1.6 oz, 16 ct
For Samsung Galaxy S24 FE SM-S721B Original In-Display Fingerprint Scanning Sensor Flex Cable
Ray Ban Men’s Eyeglasses – Top Light Brown on Havana Blue | 7119 5715 53
Milwaukee SAE Combination Ratcheting Wrench Set (15-Piece) with PACKOUT 22 in. Tool Box
Zippo Windproof Lighter – Card Skull Emblem Design Brush Chrome Finish | 49293
Starter Motor for Briggs & Stratton 14D937-0101-G1 Engines – OEM No. 84005206 
Reviews
There are no reviews yet.