Snowblower Common Parts Glossary

Browse this glossary of snowblower parts for helpful explanations of what common snowblower parts do at Sears PartsDirect. This list of common parts and their functions can better help you understand the ins and outs of your snowblower. And check out our snowblower repair help for step-by-step repair guides and troubleshooting advice.

Auger

The auger assembly consists of rotating blades that collect snow and throw it out of the auger housing and through the chute.

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PD_0071_536_1501981MA snowblower auger assembly
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Auger belt

The auger belt connects the motor pulley to the auger and drive wheel to rotate those components.

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Auger drive cable

The auger drive cable is a control cable that connects the auger control lever on the control panel to the engagement lever in the auger drive system.

Carburetor

The carburetor mixes air with fuel in the proper proportion to produce a combustible gas. That gas/air mixture then moves into the cylinder where the piston compresses it and the spark plug ignites it.

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PD_0071_247_951-10638A snowblower carburetor
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Carburetor rebuild kit

The carburetor rebuild kit has the parts and gaskets needed to refurbish a carburetor to keep the engine running smoothly.

Chute

The cute assembly is a metal tube attached to the auger housing that directs snow out of the snowblower.

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PD_0071_247_731-06440A snowblower chute
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Chute control

The chute control attaches to the control panel and allows you to move the discharge chute to the desired position when blowing snow.

Chute control gearbox

The chute control gearbox moves the discharge chute left or right and is controlled by the joystick on the control panel. The joystick rotates the chute rod, which drives the gears in the chute control gearbox to move the discharge chute.

Chute deflector cable

The chute deflector cable raises and lowers the deflector as you move the control lever to direct snow blowing from the chute.

Chute worm gear

The chute worm gear is a threaded gear in the chute drive system. It engages the teeth in the gear attached to the chute. When the control lever rotates the worm gear, the chute changes direction.

Control panel

The control panel the top of the handle assembly houses control components, such as the knobs and levers, for the snowblower.

Drive lever

The drive lever on the drive control moves a cable that moves the drive wheel into contact with the friction disc to turn the axle.

Drive wheel

The drive wheel is a horizontal rotating metal wheel in the drive system that shifts upward to spin the friction wheel and propel the snowblower forward or backward.

Electric starter

The electric starter attaches to the engine crankshaft and includes a cord that plugs into an electrical outlet to provide the starter motor with power. Plug the electric starter into an electrical outlet and push the button on the starter motor to start the engine

Engine stop switch

The engine stop switch prevents the engine from starting unless you insert the key. The switch stops the engine by preventing the spark plug from getting electric current when you remove the key.

Exhaust valve

The exhaust valve opens a port on the cylinder head and allows burned gasses to escape the cylinder after combustion.

Friction disc

The friction disc--also called a friction wheel--is mounted on the drive wheel axle, at a right angle to the spinning drive wheel plate. The drive wheel plate spins in contact with the friction disc to rotate the axle.

Fuel filter

The fuel filter attaches to bottom of the fuel tank and connects to the fuel line. It filters particles from the gasoline as fuel moves from the tank to the carburetor.

Fuel line

The fuel line is made of flexible tubing that carries fuel from the tank to the carburetor.

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Snowblower Fuel Line
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Gasket

The gasket is a shaped piece rubber or other material that seals the junction between two surfaces in the engine.

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Gearbox assembly

The gearbox assembly is a transmission that controls the motion of the auger assembly or the drive system.

Intake valve

The intake valve opens a port on the cylinder head and allows the fuel and air mixture to enter the cylinder from the carburetor.

Lever/cable

The lever/cable is a control cable system with an actuating lever that engages the auger or motion drive system on the snowblower.

Motion drive cable

The motion drive cable connects the motion actuator lever on the control panel to the bracket on the drive wheel. It lifts the drive wheel to engage the friction disc that rotates the tires.

Recoil starter

The recoil starter is a starter system mounted on top of the engine that consists of a rope and spring-loaded pulley system. The person operating the snowblower pulls the starter rope, which rotates the spring-loaded pulley and spins the crankshaft to start the engine.

Scraper blade

The scraper blade is plate that runs along the bottom of the auger housing. It protects the auger housing and scrapes up snow the augers leave behind.

Shear pin

The shear pin as a fastener bolt that connects the auger to the rotating drive shaft. The shear bolt is made of soft metal that purposely shears off or breaks to protect the transmission and motor when a foreign object or hard-packed snow binds the augers.

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Skid shoes

The skid shoes are two spacers that attach to each side of the auger housing and slide along the ground so the snowblower moves smoothly. They also elevate the auger housing so it clears the ground, protecting it from damage.

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PD_0071_247_731-06439 snowblower skid shoes
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Spark plug

The spark plug is a removable component in the combustion chamber that contains the spark electrode to ignite the fuel mixture.

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Sprocket

The sprocket is rotating wheel with teeth on the outer edge. It engages a chain or gear in a drive system.

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Starter rope

The self-retracting starter rope coils around a spring-loaded pulley on the top of the crankshaft. The person operating the snowblower pulls the starter rope, which rotates the spring-loaded pulley and spins the crankshaft to start the engine.

Tire

The tire is a rubber tube inflated with air. It's mounted on a metal rim attached to the axle. It has rough tread for traction and rotates to move the snowblower.

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Valve lash

Valve lash is the spacing between the rocker arm and the valve rod when the piston is at the top of the compression stroke. Adjust valve lash after 25 hours of operation and then every 100 hours of operation. Incorrect valve lash results in a rough-running engine.