31P677-0804-B2 Briggs and Stratton Engine - Parts

This OEM Seal-Oil (PTO Side), also called the Oil Seal, is a Black, Nitrile Rubber, 2/14 O.D., individually sold part which is installed using a Seal Puller. Customers rate the installation difficulty as Medium. This part provides a seal around the crank shaft and engine block. When installing onto the engine block around the crank shaf...Read moret, use something that makes contact around the entire seal, like a large socket or pipe, and tap into place evenly, ensuring that the housing is clean and dry. If the part is broken, likely due to fatigue, there will be leaking oil, and this part should be replaced using the model number on the original part to confirm it is the right fit for your model.

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.

This OEM Gasket Rocker Cover, which can also be called the Valve Cover Gasket, is used to provide a seal between the valve cover and engine. This is a gray-colored part, measuring 5 1/2 x 4 Inch, and it is sold individually. It can be attached using a wrench or socket. Note: this part also requires a Torque Wrench. When installing, tighte...Read moren and torque in alternating patterns, following the manufacturer specficiations. You will know when it needs to be replaced when there is oil leaking around the valver cover gasket, which is a sign the part is broken, likely due to simple wear and tear or constant dryness. To make sure you are purchasing the right part, check your model number. Customers rated this repair as easy.

The Oil Seal is a manufacturer-approved rubber part which provides a seal between the crankcase and crankshaft by attaching around the axle shaft on the crankhouse housing. Installation is rated as "Medium" difficulty and requires a screw driver, wrench set and seal puller. A broken seal will cause a leak, and the part must be replaced. R...Read moreefer to your make, model and diagram to ensure you're choosing the right part. This part comes in black and gray.

This is a replacement cylinder head gasket for your small engine. It is approximately 5 inches in width and 6 inches in length. The cylinder head gasket helps to create a seal for the cylinder head. If you have oil leaking, or you hear a hissing sound when your engine is in use, you may have a blown head gasket. This part is sold individually and is an OEM part sourced directly from the manufacturer.

This genuine OEM oil filter helps to remove harmful contaminants from engine oil. It is designed for a variety of Engines. It is sold Individually. This part maintains optimum performance of your engine in accordance with applicable EPA emissions regulations. It is recommended to replace an Oil Filter at least once a season.

This is a genuine OEM sourced replacement part flywheel fan. It is specially manufactured for use with Briggs and Stratton engines that are installed on lawn and garden equipment. This fan is attached to the fly wheel and it will help to keep the engine cool for optimum performance. This blower fan is made out of plastic and it is sold in...Read moredividually. Please note the bolt used to secure this fan is sold separately. To complete this repair you will need a screwdriver and a wrench.

This gasket set-valve is supplied by the original equipment manufacturer for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. It helps to distribute the pressure evenly and provide an air-tight seal for the cylinder head. Over time components may wear out and begin to crack eventually requiring replace...Read morements. For the exact locations and the correct applications, please refer to the appropriate diagrams of your model. This high-quality set includes five composite material gaskets and one valve seal. You will need a wrench set to remove and reattach the cylinder head to perform this repair.

This OEM exhaust gasket in lawn and garden equipment creates a seal between the engine block and the muffler or exhaust pipe so that exhaust gases do not leak. This is 3.30cm in diameter and 6.35cm in length. Your machine may have a loud hissing or popping sound coming from the exhaust area if the gasket was faulty. You may also notice th...Read moree presence of black soot around the gasket or the exhaust. Your gasket needs to be replaced if it appears worn or deformed. Otherwise, your machine will experience exhaust leaks. To detach the gasket, remove the fasteners that secure it using a socket or wrench. You can detach the gasket from your machine afterwards. Please bear in mind that this replacement part is sold individually.

This item is an authentic OEM replacement part that is intended to be used with small engines from Briggs & Stratton. The breather tube is used to guide the direction of excess gasses and fluid that escape the engine from a higher level of internal pressure. The breather tube is a single item, please see the model diagram for related parts.

This Fuel Filter is a white plastic part attached within the fuel delivery system between the fuel tank and carburetor. Installation is rated as "Easy" and requires a set of pliers and a screwdriver. If broken, there may be a leak or blockage and the part should be replaced. The part may also need to be replaced according to manufacturer'...Read mores specifications, and is a manufacturer-approved part. Refer to your make, model and diagrams to ensure this part is correct.

The Seal-O Ring, also known as the gasket, is red in color, made of rubber, and is an OEM part that requires some skill to replace. This part is designed to create a seal between the carburator and manifold, to prevent air from entering. If your engine loses power, creates a hissing noise, or if the gasket appears damaged or your engine r...Read moreunning improperly it may be time to replace the part. If you run the engine and spray the outside of the carburator with soapy water, you can test whether or not the gasket is leaking by listening to the sounds produced. If the sound smooths out then you've found your leaky gasket. Damage may occur over time, especially if the part dries out, and make the part appear stretched or worn out. When making this medium-difficulty repair, make sure the new gasket is fitted properly between the carburetor and intake manifold.