Lawn Boy Lawn Mower Engines

Find the Lawn Boy Lawn Mower Engines you need fast. Shop our list of best-selling OEM Lawn Boy Lawn Mower Engines below. Or search with your Lawn Boy Lawn Mower model number to get the full list of parts that fit your specific model, detailed diagrams, and video tutorials. 

Lawn Boy Appliance Parts

Popular Lawn Boy Lawn Mower Engines

Friction Ring
$6.16
Special Order
Minimum Quantity of 2 required
Manufacturer Part Number:
65-4710
This friction ring is an authentic item which is supplied by the original manufacturer for Toro lawn mowers. It is one of the special parts that helps to provide a tight seal between components. Over time it may wear out, get damaged or simply lost eventually requiring a replacement. This high-quality friction ring is made of a durable material and is sold as an individual component. Note, you may...
Manufacturer Part Number:
691986
This rocker arm adjuster, or valve lash adjuster, is a genuine OEM replacement part used in lawn tractors. It is approximately one inch long and made of steel. It is responsible for adjusting the clearance between the rocker arm and valve stem, which allows the valves to open and close as needed. The adjuster will need to be replaced if the threads are stripped, or if it is cracked, or worn down. ...
Manufacturer Part Number:
790848
This is an authentic OEM part. The Toro air vane is designed for use with many lawn mower engines. This plastic item pulls the choke open when the flywheel fan sends airflow from the air vane. You will need a wrench and a screwdriver for the installation. The air vane is sold individually.
Manufacturer Part Number:
791781
This item has been sourced from the original manufacturer to ensure quality. The breather assembly is intended to be used with lawnmower engines from Briggs & Stratton and Toro. The breather assembly attaches to the crankcase. This item is used to allow gasses to escape the crankcase while retaining oil. This assembly includes the breather and the gasket.
Tappet-valve
$10.90
In Stock
Manufacturer Part Number:
690977
The valve tappet attaches to the push rod. It is made out of metal and is sold individually. This is a Briggs & Stratton and Toro replacement part directly sourced from the manufacturer for use in engines. It may require a set of pliers during installation. This part may become broken and will need to be replaced.
Rod-Door
$6.16
In Stock
Manufacturer Part Number:
127-0698
Manufacturer Part Number:
590394
This is an original Briggs & Stratton and Toro part for use in engines, generators, and lawn mowers. The exhaust valve goes next to the valve spring. This item is sold individually and is made of metal. A set of pliers may be needed during the replacement of this part. It will need to be replaced if it breaks.
Manufacturer Part Number:
104-4430
The airvane and shaft attaches to the airvane adjust collar. It is an OEM from Lawn Boy and Toro for use in lawn mowers. This is available as an individual replacement part. It may require a screwdriver and a socket set during the installation. This part is made out of plastic and will need to be replaced if it breaks.
Head-cylinder
$75.89
In Stock
Manufacturer Part Number:
594989
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.
Manufacturer Part Number:
590395
This is an authentic OEM part for use with Craftsman Lawn Mowers. The engine breather vents air from the engine crankcase. The most common reason for replacing the breather is when the small engine runs poorly. This part is sold individually. Here is a list of tools that are needed to replace the breather a flat-head screwdriver, hammer, 7/16th-inch socket, 3/8th-inch socket or nut driver, Phillip...