300421-0137-XX Briggs and Stratton Engine - Overview

This fuel line is compatible with several different makes and models of small engine equipment and is sold as an individual part. Equipped with the securing clamp, this rubber fuel line is used to transfer fuel from the fuel tank to the carburetor, and over time and due to exposure of gas, this fuel line can become brittle and crack, requ...Read moreiring a replacement. If you find your equipment is performing worse, check the fuel line for any visible signs of damage. To replace the fuel line, you will need to disconnect the spark plug and drain the fuel from your equipment, before simply removing the old line and installing the new one and reassembling the rest of the motor.

This item is a genuine replacement part that has been OEM sourced and is intended to be used with lawnmower engines from Briggs & Stratton and Toro. The rubber seal is used to prevent oil from leaking at the connection between the bottom of the oil fill tube and the crankcase. This item also allows the fill tube to firmly sit into the case. The dipstick tube seal if available as an individual replacement part.

This spark plug boot is a genuine OEM Briggs & Stratton replacement designed to fit securely over the spark plug, protecting the connection from moisture, dirt, and debris. Its durable, elbow-style design helps ensure reliable ignition and easy installation, making it an ideal replacement when a cracked, loose, or worn boot causes hard starting, misfires, or inconsistent engine performance.

This is a high-quality manufacturer-sourced part which is made for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. It helps to distribute the pressure evenly and provide a tight seal for the breather. Over time it may become brittle and begin to crack eventually requiring a replacement. For the proper...Read more application please refer to the appropriate diagrams of your model. This high-quality part is made of durable composite material and is sold individually. You will need a screwdriver and a wrench set to remove and reattach the breather.

This is a genuine manufacturer-sourced part which is designed for use on lawn and garden equipment. It is an identical replacement for a missing or a damaged clamp that is used to secure the hose. Keep in mind this high-quality product is made of durable metal and is sold individually. Please make sure to check the appropriate diagrams for your model for the correct location and application of this hardware.

This flywheel puller is designed for servicing larger small engines by safely removing tightly seated flywheels without stressing the crankshaft or damaging ignition components. Constructed from heavy-duty steel and engineered to apply even pulling force, it makes accessing the magneto, crankshaft key, or ignition system straightforward d...Read moreuring repairs or overhauls. Built to OEM specifications for durability and precise fit, it’s a reliable tool for maintaining lawn mowers, generators, and pressure washers with compatible engines.

This is an authentic OEM component from Briggs & Stratton. The magneto armature screw is compatible with many lawn and garden engines. The hardened metal screw helps to mount the magneto armature. A wrench is required for the removal and installation. The magneto armature screw is sold individually. It is recommended to refer to engine manual and diagrams for further instruction.

This part is an OEM from Briggs & Stratton. The carburetor body gasket is used in many lawn and garden engines. The cardboard composite gasket is fitted onto the carburetor, providing protection from friction and leakage. This item is sold individually, and a screwdriver is required for the installation.

This manufacturer approved replacement part is specially produced for use with Briggs and Stratton engines commonly installed on Toro lawn and garden equipment. It is utilized to keep the oil in the tank. Please note this durable plastic oil fill cap is sold individually.

This is an authentic manufacturer sourced carburetor float designed for use on lawn and garden equipment engines. This float controls fuel flow into the carburetor bowl by adjusting the needle valve. This float is sold individually. Please note the float pin is sold separately. To complete this repair you would need a wrench and pliers. ...Read more • Make sure to remove the spark plug • Remove carburetor bowl • Remove old float and secure the new one in place • Re-assemble and test the unit

It is a genuine OEM sourced replacement screw which is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. This special hardware has multiple applications depending on the model of your unit, please make sure to check appropriate diagrams of your unit for the correct location and us...Read moree of this item. This screw is made of high-quality metal and it is sold individually.

This high speed valve is an OEM part from Briggs & Stratton. Made for use with many small engines, the metal needle valve is fitted in the nozzle of the carburetor assembly. The high speed valve dispenses the proper amount of fuel to the engine. This item is sold individually, a wrench, screwdriver and a hex key are often required for the installation.