15T21 Briggs and Stratton Engine - Parts
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Screw
Part #690661
The metal screw attaches to the muff guard bracket. It is a genuine replacement part sourced from the original manufacturer for use with blowers, engines, generators, pressure washers, snowblowers, and vacuums made by Briggs & Stratton, Toro, and Lawn Boy. This item is available as an individual replacement part. When replacing this screw a wrench will be needed. It will need to be replaced if it strips or breaks.
Tappet-valve
Part #690977
The valve tappet attaches to the push rod. It is made out of metal and is sold individually. This is a Briggs & Stratton and Toro replacement part directly sourced from the manufacturer for use in engines. It may require a set of pliers during installation. This part may become broken and will need to be replaced.
Plug-spark
Part #491055S
This spark plug is designed to provide reliable ignition and efficient fuel combustion in small engine applications. Built for consistent performance and durability, it helps maintain smooth operation, steady power output, and easier starting. Ideal for routine maintenance or replacement, it supports dependable engine performance in lawn and garden equipment, generators, and similar outdoor power machines.
Grip-starter Rope
Part #490652
This is a genuine manufacturer approved part which is specially designed for use with Briggs and Stratton engines commonly installed on Toro lawn and garden equipment. It is an identical replacement for a missing or a faulty grip that was installed on a new unit. The part provides a user with a comfortable grip to pull-start the engine. P...Read morelease make sure to refer to the appropriate diagram of your model for the correct application of this component. Keep in mind this high-quality grip is made of durable plastic and is sold individually.
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Housing-Blower
Part #699598
This blower housing is designed for small engines to help direct cooling airflow while protecting internal components during operation. By promoting proper air circulation, it supports efficient cooling and helps prevent overheating under regular use. Built for durability and a precise fit, it’s a dependable replacement option for maintaining engine protection and consistent performance.
Cover-Crankcase
Part #699672
Base-air Cleaner
Part #699207
This is an authentic OEM part. The Briggs & Stratton air cleaner base is compatible with many lawn and garden engines. This item secures the air filter element, and is fastened to the carburetor. The metal base includes a screw and a cardboard composite gasket, and is sold individually. You will need a wrench for the removal and installation.
Screw
Part #699208
This screw is an OEM direct from Briggs & Stratton. The metal screw is compatible with many small engines and tools. This part is most often used to secure air-cleaner covers. It is recommended to refer to the specific manual and diagrams for repair instructions. A wrench and a screwdriver are recommended for the replacement. This part is sold individually.
Kit-bushing/seal
Part #796961
This is sold as a kit that contains the bushing and the seal. These are genuine replacement parts sourced from the original manufacturer for use with engines, snowthrowers, lawn mowers, and blower-vacuums made by Briggs & Stratton and Toro. When replacing these items a set of pliers might be required during the installation process. They are made of metal and plastic and will require replacing if they become broken.
Hose-vacuum
Part #791766
This genuine part is sourced directly from the original equipment manufacturer. It is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The purpose of this hose is to transfer vacuum from the engine. Unfortunately, over time the material may wear out and begin to crack eventually ...Read morerequiring a replacement. Make sure to check the diagrams of your model for the exact location and the correct installation of this part. Note, this item includes one durable rubber hose and two metal clamps to secure it.
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Gasket Set-engine
Part #791797
This is a genuine replacement part sourced directly from the manufacturer. The engine gasket set is commonly found in engines such as those used in snowthrowers and blower vacuums, from Briggs & Stratton and Toro. This set includes two oil seals, one valve seal, and several plastic gaskets, which are used to seal the connection between components. You may require a screwdriver when replacing these parts.
Gasket Set-Valve
Part #791798