Porsche

There are 3 different sizes for the odometer lead gear. The best way to check the gear is to make sure it is tight on the shaft, it should not spin. All you need to do is measure the overall thickness before you order a new gear. The 3 sizes are: 1. ~3.2mm 2. ~4.8mm 3. ~6.4mm Learn More

This is a set of replacement gears for both the LEFT and RIGHT Convertible Top Drive Mechanism Transmissions. The angle of the teeth are from left to right on the LEFT gear and right to left on the RIGHT gear. OE Assmbly # Left: 986 561 179 02, 986 561 179 03, 987 561 178 00, 987 561 178 01, 987 561 178 02, 987 561 178 03 Right: 986 561 180 02, 986 561 180 03, 987 561 180 00, 987 561 180 01, 987 561 180 02, 987 561 180 03 Learn More

This is a replacement gear for the LEFT Convertible Top Drive Mechanism Transmission. The angle of the teeth are from left to right. OE Assembly # 986 561 179 02, 986 561 179 03, 987 561 178 00, 987 561 178 01, 987 561 178 02, 987 561 178 03 Learn More

This is a replacement gear for the RIGHT Convertible Top Drive Mechanism Transmission. The angle of the teeth are from right to left. OE Assembly # 986 561 180 02, 986 561 180 03, 987 561 180 00, 987 561 180 01, 987 561 180 02, 987 561 180 03 Learn More

M17 Odometer Gear for mechanical speedometers Generally the most common gear that we have seen has been a 17 tooth gear. Please always check the tooth count on the old gear before you place an order. If you do have a different tooth count please search under mechanical speedometers. Learn More

This gear is on the inside of the speedometer housing. 10 tooth with a helical angle. (DOES NOT COME WITH THE METAL SHAFT) Learn More

Odometer Gear 20x30 This gear is for all 911 Porsche's with US- specifications from 1976 - 1989. It is a double gear with 20 teeth on the outside and 30 teeth on the smaller inner gear. Learn More

There are multiple tooth count options that can be installed in this odometer. You need to count the teeth on the old gear before you place your order. The outside gear will always have 20 teeth, on the smaller inner gear it could be between 21 and 32 teeth. If you cannot count the teeth on the main gear anymore, please count then the teeth of the next gear that it meshes with. Tooth count should be between 38 and 49 teeth. 49: 20x21, 48: 20x22, 47: 20x23, 41: 20x29, 40: 20x30, 38: 20x32 Learn More

25 tooth odometer gear. (E25) The diameter of this gear is 10.70mm or .421" This gear rides on a large pod gear There are 2 gears that operate the odometer. 1. 25 tooth odometer gear 2. 15 tooth large pod gear We always recommend to replace both gears at the same time. Learn More