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Tacho
Tacho for Porsche
Tacho parts for Porsche models from Design911, focused on tachometer and instrument-related components that help keep your dashboard clear, accurate, and reliable
A Quick Look at Tacho
Tacho information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.
Choosing the Right Fit for Your Porsche
Where Tacho is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Typical reasons to replace include a non-working rev counter, inaccurate readings, obvious needle bounce, or restoring ageing instrument clusters to full function.
- Owners also change these parts when modernising older dashboards or solving persistent intermittent gauge behaviour caused by ageing electronics.
- Common symptoms include needle flutter, dead or stuck gauges, intermittent operation, backlight failure, and issues traced to poor plug or earth connections; older units may suffer from cracked solder joints and tired capacitors.
- Before replacing, check signal, power, and earth continuity, clean cluster connectors, and confirm a stable voltage supply, as many faults are wiring or grounding related and some units can be repaired with solder or capacitor work.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Interior & Accessories — Interior & Accessories parts are used with Tacho-related components when refreshing the wider cabin around the instrument cluster, replacing worn trim, or improving day-to-day usability where applicable on Porsche models.
- Use proper trim tools when removing interior panels around the cluster and replace missing clips to avoid new rattles or poor fit.
Instruments — Instruments cover the main Porsche gauges and clusters; Tacho-related parts sit here when you are resolving dead or inaccurate rev counters, erratic readings, or carrying out a full dashboard restoration.
- Test senders and wiring before condemning a gauge, and label connectors plus check earth points during removal to avoid “ghost” faults on refit.
Explore Tacho at Design911
View the current Tacho range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
this will require an 80mm rubber seal ring 91164190100/1

Fits:
Porsche 911 1970-89
Download the detailed installation instructions
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91164170129
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50