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Porsche -US 924 M17 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 17 tooth gear. It is always best to check you old gear before ordering. If you have a different tooth count order to the left under mechanical speedometer. $25.00
Porsche -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