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Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
121702-0103-01 Briggs and Stratton Engine - Overview
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This is a replacement air filter/AC cartridge for your small engine. The air filter prevents dirt and debris from entering the engine. Over time, the air filter can become clogged or damaged, and this...
$7.06
In Stock
Order now and your part arrives in 2-3 business days!
This part is the replacement spark plug for your engine. It measures approximately 2.5 inches by 1 inch. The spark plug creates the spark that ignites fuel in your engine during the combustion process...
$4.99
In Stock
Order now and your part arrives in 2-3 business days!
This is a replacement carburetor overhaul kit for your small engine. The carburetor is essential to the overall performance of your engine, and the carb can get clogged up over time for a variety of r...
$17.96
In Stock
Order now and your part arrives in 2-3 business days!
The Air Cleaner Gasket is used to provide a seal between the air cleaner base, and carburetor. It's a gray, composite material part, which is rated as "Easy" to install and will require a screw driver...
$5.19
In Stock
Order now and your part arrives in 2-3 business days!
This needle and seat kit, also known as a float valve, is found in many types of liquid-fueled lawn equipment, such as carburetors. The valve regulates the flow of fuel into the float bowl. The needle...
$6.97
In Stock
Order now and your part arrives in 2-3 business days!
This part is the replacement gasket for the crankcase on your engine. The gasket helps to create a seal on the crankcase and prevent leaks. If you notice that your engine is not running at peak perfor...
This OEM Oil Seal is an individually sold rubber part which is attached around the axis shaft on the crankcase housing to provide a proper seal. A broken seal will lead to a leak, and the part should ...
$5.99
In Stock
Order now and your part arrives in 2-3 business days!
This genuine replacement magneto is designed for Briggs & Stratton engines used in Toro lawn mowers. It plays a vital role in the ignition system by generating the electrical current needed to fire th...
$63.38
Special Order
Questions And Answers for 121702-0103-01
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Also replaced fuel tank , the built in fuel shut off started leaking , had to replace the tank. Ordered a new one Briggs & Stratton original equipment fit perfect . This is a 25 year old Briggs & Stratton lawn mower 3.5 HP, Runs perfect, starts by the 2nd crank every time. First time I ever had to spend money on it since I bought it new i
... Read moren 1991
Inspected/removed fuel lines and found signs of leak. Removed and inspected carburetor and found that seals and gaskets were toast. Replaced said seals with ones from the kit that fit and replaced fuel lines.
Would be nice to have a fuel line kit with the big fuel line (tank to carb) and the little one (carb to engine) together
... Read more with all the necessary clamps.
