300421-0143-99 Briggs and Stratton Engine - Overview

This is an OEM replacement part and is sold individually. Its propose is to deliver an electric current from an ignition system to the combustion chamber of a gas fueled engine. It will ignite the air fuel mixture by the spark. Spark Plugs will usually have to gapped to the manufactures specifications found in the owners manual. Over tim...Read moree a Spark Plug will become fouled because the air/fuel ratio may be set wrong,worn piston rings, carbon build up and other factors. It is better to replace a fouled spark plug, rather then trying to clean it.

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 OEM engine screw is a genuine Briggs & Stratton replacement fastener designed for secure, vibration-resistant attachment of engine components in small gasoline engines and outdoor power equipment. Manufactured to exact factory specifications, it provides proper thread engagement and clamping force to help prevent loosening, reduce vi...Read morebration, and maintain long-term engine reliability under operating stress. Built with durable, corrosion-resistant materials for extended service life, it is an ideal replacement when original screws are missing, stripped, or worn, helping ensure safe assembly, consistent performance, and proper engine operation.

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 is a metal star screw. It is a genuine OEM sourced part which is specifically designed for use with Briggs & Stratton engines and generators, and Toro snowthrowers, tillers, blower-vacuums, lawn tractors, and lawn mowers. This is available as an individual replacement part. A Torx screwdriver will be needed to replace this part if it becomes stripped or lost.

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.

The float valve is used to allow fuel into the float chamber when the chamber has been drained and to stop fuel from entering the chamber when it is full. It provides an identical replacement for a missing or a faulty component that was installed on a new unit. This authentic part is supplied by the original equipment manufacturer for use...Read more with Kawasaki engines commonly installed on lawn and garden equipment. Please make sure to refer to the appropriate diagrams of your model to ensure the correct repair procedure. Keep in mind this high-quality valve-fuel inlet is sold as an individual item.