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121Hsv3 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Gasket-Brea Passage
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 691879

 

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Exhaust Gasket
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 691881

This exhaust gasket is a genuine Midwest Engine replacement part for appliances operated by small engines, such as chipper shredders, snowblowers, leaf blowers, and lawn mowers. An exhaust gasket's purpose in the engine is to create a sealed layer between the carburetor and the exhaust tube to keep dirt and debris out of the infrastructure of the engine. A malfunctioning or broken exhaust gasket could compromise the seal between the carburetor and the exhaust tube, meaning that dirt and debris could get into the engine and cause damage. An exhaust gasket could be subject to damage from overuse and is generally known to require replacement over time from general wear and tear. If the exhaust gasket seal is compromised, it should be replaced immediately. Evidence of dirt and debris compromising an engine could take the form of oil leaking from the carburetor, black smoke pluming from the exhaust tube, and lower engine pressure than usual. This exhaust gasket is compatible with the following brands: Briggs and Stratton, Cub Cadet, and Toro. This part sold individually.

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Breather Tube
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 691923

The breather tube is responsible for filtering out exhaust gases from the crankcase. It has special fibers in the tube to remove contaminants as it moves the exhaust gases through the ventilation valve and out into the air. The tube also helps ensure that the engine air stays cool for optimal performance. This rubber tube can become dry and cracked over time, or it could be damaged due to an incident or impact. In any case, the tube should be fully replaced when it is not functional to ensure optimal performance at all times. This genuine OEM breather tube is manufactured to exact standards and made by Briggs and Stratton. It is compatible with select engines on more than 150 lawn mowers and generators from Toro, Briggs & Stratton, and Lawn Boy. This replacement tube is made of high-quality materials and sold as an individual part. No hardware or other parts are included with the purchase. This part should only be replaced once the engine is cool and all work should be done in a well-ventilated area. A screwdriver and socket set will be required to replace this part.

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Oil Seal
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 691952

 

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Slinger-Governor/Oil
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 691997

 

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Plug-Welch
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 694468

 

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Screw
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 695759

 

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Kit-Label
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 696438

 

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Shaft-Throttle
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 696565

 

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Crank-Governor
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 698801

 

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Bracket-Control
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 790143

 

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Gear-Timing
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 790345

 

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Shield-Spark Plug
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 793351

 

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Gear-Timing
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 794388

 

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Ring Set
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 795431

 

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Ring Set-020
Genuine Midwest Engine part
By: Midwest Engine
Part Number: 795432

 

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