21R872 (0020-B1) 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.

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 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 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.

Genuine OEM replacement part used on a variety of Engines. This item is made with Composite Material and it is sold individually. Its purpose is to make an air tight seal so that no air/oil leakage occurs. Over time this gasket will deteriorate and will need to be replaced. The gasket measures .015 Thick.

This short-style engine oil filter is designed to remove harmful contaminants from the oil while maintaining proper lubrication in pressure-lubricated small engines. Built with high-efficiency filtration media and internal safety features to support consistent oil flow, it helps reduce engine wear and protect internal components. Ideal fo...Read morer routine maintenance, it supports reliable performance and helps extend engine life during regular operation.

Ignition coil 595304 is an original equipment manufacturer (OEM) part that fits Briggs & Stratton lawn and garden equipment engine models 31R907-0018-G1, 33R877-0002-G1, 33R877-0009-G1 and 33S877-0015-G1. Ignition coil 595304 generates the voltage for the spark plug. Set the ignition coil air gap at 10/1000-in to 14/1000-in. Torque the ignition coil screws to 30-lb-in.

A starter solenoid, also known as a starter relay, is an electrical component that is used within small engine systems to control the starter motor by engaging it when an ignition key is turned - acting as a bridge between the battery and starter motor. This starter solenoid is designed for use with various models of lawn mower and other ...Read moresmall engine equipment and is sold as an individual part with no securing hardware. Depending on your model and type of equipment, the location of the starter solenoid may be different, but it is typically located on or around the engine block, and close to the battery. If you notice issues with starting your equipment such as clicking sounds, intermittent starting or simply not starting at all, the solenoid may be burnt or damaged and need replacement immediately. You can test the solenoid for continuity on its terminals with a multimeter, but make sure to take safety precautions. To replace a starter solenoid, you need only disconnect the equipment from power, locate the solenoid, disconnect and remove any connections and securing bolts before you can replace it and test for full functionality.

It is a genuine item that is supplied by the original equipment manufacturer for use with Briggs and Stratton engines that are commonly installed on Toro lawn and garden equipment. The cap attaches on top of the valve stem and provides a contact place for the rocker arm. Refer to the diagrams for your model to ensure the exact location an...Read mored application of this part. You will need a wrench set and pliers to perform this repair. Keep in mind this high-quality cap-valve is made of durable metal and is sold as an individual item.