Suit GU models with TB45 TB48, ZD30 & TD42 engines.
Suit GQ models with TB42 & TD42 engines. (the old part number for GQ is no longer available)
This Pivot ball screws into the input on the front of the gearbox and allows the clutch fork to engage and disengage the bearing from the clutch.
In many cases excessive wear or lack of lubrication will require the pivot ball to be replaced.
We also sell the clutch fork retainer spring and clutch fork in our webstore.