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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Internal Odometer Speedometer Gear 10 Tooth
Restore accurate odometer operation with this OE Match 10
Tooth Internal Odometer Speedometer Gear. Featuring a 10-tooth gear with the correct helical angle,
this replacement gear fits inside the speedometer housing and replaces worn or
damaged original components responsible for driving the odometer mechanism.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
A common cause of odometer failure on classic Porsche VDO speedometers is a deteriorated or damaged internal drive gear. Over time, the original gear can become brittle with age, causing the teeth to crack, strip or break away. When this happens, the speedometer needle may continue to display vehicle speed correctly, while the odometer and trip meter stop recording mileage.
Replacing the failed gear restores the mechanical drive to the odometer, allowing both the main odometer and trip counter to function correctly once again.
Please note: The speedometer must be disassembled to identify the correct gear type and tooth count for your vehicle before ordering. Porsche used several different internal gear configurations throughout production, so visual inspection is essential.
This replacement gear does not include the metal shaft. It is designed to replace only the plastic drive gear and should be installed onto the existing shaft or as part of a professional speedometer rebuild.
Key Features
- Replacement 10-tooth internal odometer drive gear
- Correct helical tooth profile
- Fits inside the speedometer housing
- Restores odometer and trip meter operation
- Ideal for repairing worn or broken original gears
- Metal shaft not included
- Speedometer must be opened to confirm the correct gear style and tooth count before purchase
Porsche 911 Odometer & Speedometer Repair Parts
The mechanical VDO instruments fitted to early Porsche 911 models are renowned for their quality and longevity, but after decades of service the small internal plastic gears often become brittle and fail. Fortunately, replacing the damaged gear is usually all that's required to restore full odometer functionality without replacing the complete speedometer.
This OE Match replacement gear provides an economical solution for instrument repairs while preserving the originality of your vehicle's dashboard and gauges.
Common Symptoms of a Failed Odometer Gear
- Speedometer needle works normally
- Odometer has stopped recording mileage
- Trip meter no longer advances
- Clicking or slipping sounds from inside the speedometer
- Broken plastic gear teeth discovered during instrument inspection
Because several gear variations were fitted during production, always dismantle the speedometer and confirm the tooth count and gear profile before ordering.