1999-2001 Powerstroke ZF-S547 5th & Reverse Synchro Assembly (ZMZF47-40A)

Your reverse synchro assembly is a mechanism that facilitates smooth and synchronized engagement of the reverse gear. It helps to equalize the rotational speed of the input and output shafts before engaging reverse, preventing grinding or harsh engagement, which are also signs of a failing reverse synchro.

Part Number: ZMZF47-40A

• ZF S547 Manual Transmission Component
• 5th & Reverse Gear Synchronizer Assembly

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