Porsche - 924 76-88 (Non-US)

Porsche Non-US 924 Odometer Gear
( view PDF instructions ) 
This is the gear on the side of the speedometer framework. Generally the most common gear that we have seen has been a 11 tooth gear. It is always best to check you old gear before ordering.
$25.00 Select a style:  M10 tooth count M11 tooth count M12 tooth count M13 tooth count M14 tooth count M15 tooth count M16 tooth count M17 tooth count M18 tooth count M19 tooth count M21 tooth count M25 tooth count

Porsche Non-US 924 Lead Gear
Second is the lead gear on the same rail. Check to make sure it is tight on the shaft. Using a small screwdriver, see if it spins on the shaft. If it does, you should replace this gear as well. There are three sizes. All you need to do is measure the overall thickness.
$25.00 Select a style:  1/8 = 3.175mm 3/16 = 4.7625mm 1/4 = 6.35mm