Briggs & Stratton 21a877-0121-b1
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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.
We encourage you to try our part locator to get the product shipped to your door.
Installation Tips & Tricks
Ease of Installation
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