Simplicity 1690378 - Snowbuster 421, 4HP 21" Snowthrower
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Job Quantity is the number of times this part appears on this diagram.
Depending on your situation, you may not need to replace them all and could order less.
Depending on your situation, you may not need to replace them all and could order less.
Discontinued Part
This part has been discontinued. Messick's has several places to
source these items after the manufacturer has ended support.
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