143171 Craftsman - Overview

This authentic manufacturer-sourced part is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The starter motor provides an initial motion, engage the flywheel to start the engine. Unfortunately, over time components will wear out and may begin to fail eventually requiring a repla...Read morecement to maintain peak performance. Keep in mind this high-quality motor-starter is sold individually. Please make sure to check the appropriate diagrams of your model for the correct location and application of this part.

This is a genuine OEM sourced replacement part that is intended to be used with snow throwers and lawn tractors from Briggs & Stratton and Toro. The key fits into the slot on the crankshaft and is used to align with the keyway in the drive pulley. This key allows the crankshaft and the pulley to rotate in unison. This item is sold as an individual replacement part.

This part is an OEM from Briggs & Stratton. The (metal) air cleaner base is compatible with many small engines. This part helps to protect the air cleaner filter in the engine. A wrench is necessary for the removal and replacement. This item is sold individually. Please be sure to refer to specific manual and diagrams for repair instructions.

The cylinder head attaches to the cylinder head gasket. It is an authentic replacement part directly sourced from the manufacturer for use in Briggs & Stratton engines and Toro lawn mowers. This item is available individually. A wrench might be needed during the installation process. This part may become broken and will need to be replaced.

This is an original replacement part manufactured for use with small engines. The valve spring provided compression for the exhaust valve to allow the valve to open to expel combustion gases, and to keep it closed when air/fuel is combusted. This valve spring is sold as an individual replacement part.