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Speedometer reset knob. Porsche 911 65-77 ❭ 90174119122
- 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
The OE Match speedometer reset knob is a replacement interior control used to reset the trip odometer on the speedometer in classic Porsche 911 models from 1965 to 1977. This small dashboard component allows the driver to manually reset the trip counter to zero for tracking distance during journeys. Please note Original Porsche part is no longer available.
Sold individually
Fits:
Porsche 911 1965 - 1977
Diagram ref no 3
The speedometer reset knob is a small knurled adjustment knob located on or near the speedometer gauge in early Porsche 911 dashboards. It connects to the trip odometer mechanism and allows the driver to manually reset the distance counter.
The OE Match Speedometer reset knob is designed to replicate the original Porsche component in appearance, size and fitment. It is particularly useful because the original Porsche part is no longer available, making OE-style replacements an important solution for maintenance and restoration of classic models.
The knob allows the driver to reset the trip odometer (day trip counter) to zero. This feature helps drivers track individual journey distances, fuel consumption or maintenance intervals.
Replacing a worn or missing reset knob restores full functionality to the instrument cluster and ensures the trip counter can be operated easily and reliably.
Function
• Trip Odometer Reset: Allows manual reset of the speedometer trip counter
• Instrument Control: Connects to the internal odometer reset mechanism
• Driver Convenience: Enables tracking of trip distance and mileage
• Restoration Fit: OE-style design maintains authentic interior appearance
Over time the small reset knob can become worn, cracked or lost during instrument servicing. Without the knob, the trip odometer cannot be reset easily. Installing a new OE Match replacement restores full functionality of the speedometer system and preserves the authentic interior appearance of classic Porsche models.
Consider replacing the reset knob if you notice:
• Missing or broken speedometer reset knob
• Difficulty resetting the trip odometer
• Worn or damaged instrument control
• During dashboard or instrument cluster restoration
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90174119122
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

The small pod diameter is 15.44 mm
Fits:
Porsche 911 (964) 1989-1993
Porsche 911 (993) 1994-1998
Please note:
Need to open speedometer to determine correct style and tooth count required for your vehicle.
You will need to count the teeth of your old pod before ordering.
If you want to repair the odometer permanently you will need to order the gear and the pod.
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

15 Tooth : The diameter of this gear is 6.90mm or .271"
20 Tooth : The diameter of this gear is
25 Tooth : The diameter of this gear is 10.70mm or .421"
Fits:
Porsche 911 (930) 5/1986-1988
Porsche 911 (964) 1989-93
Porsche 911 (993) 1994-98
Please note:
Need to open speedometer to determine correct style and tooth count required for your vehicle.
If you want to repair the odometer permanently you will need to order the gear and the pod. Blue/Green=16; Red=17 tooth count
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

The Medium Pod diameter is 17.52 mm
Fits:
Porsche 911 (993) 1994-1998 Non-US Spec
Please note:
Need to open speedometer to determine correct style and tooth count required for your vehicle.
You will need to count the teeth of your old pod before ordering.
If you want to repair the odometer permanently you will need to order the gear and the pod.
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed