Premium quality planetary sun gear assembly with integrated bearing for JF015E (RE0F11A) CVT transmissions. Precision-engineered replacement component ensuring smooth power transfer within the planetary gear set for reliable transmission operation.
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A worn sun gear causes erratic planetary gearset operation, leading to harsh shifting and potential transmission damage.
Worn gear teeth and bearing surfaces produce whining noises and vibration during acceleration.
Replacing during rebuild ensures long-term reliability and prevents costly future failures.