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Instruments

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91164190300/1
Product Information
Product Information
Rubber Sealing Ring, 115 mm, Black, For Tachometer.
The OE Match Rubber Sealing Ring, 115mm, Black is a premium-quality replacement instrument seal designed to provide a secure, weather-resistant seal between the tachometer and dashboard on compatible Porsche models. Manufactured to OE specifications for fit, flexibility and durability, this precision-moulded 115mm rubber sealing ring helps protect the instrument cluster from moisture, dust and vibration while ensuring the tachometer sits securely within the dashboard aperture.

Fits:
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1976 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1985 3.2L
  • Porsche 911 1975-1976 3.0L Turbo (930)
  • Porsche 911 1978-1985 3.3L Turbo (930)  

Manufactured from high-quality automotive-grade rubber, the sealing ring is engineered to withstand prolonged exposure to UV light, heat, moisture and temperature fluctuations without hardening, shrinking or cracking. Precision-moulded to replicate the original Porsche dimensions, it provides direct OE-style installation, making it ideal for dashboard restorations, instrument refurbishment or replacing an aged or damaged original seal.  

What This Product Does:
  • Creates a weather-resistant seal around the tachometer.
  • Cushions the instrument within the dashboard opening.
  • Helps prevent water, dust and dirt from entering behind the dashboard.
  • Reduces vibration transmitted to the instrument.
  • Ensures a secure and factory-correct fit.
  • Restores the original appearance of the dashboard installation.
  • Replaces hardened, cracked or deteriorated original seals.
  • Forms an essential part of the instrument mounting system.

Symptoms Of Wear Or Failure:
  • Cracked, hardened or brittle rubber.
  • Shrinking or deformation of the seal.
  • Loose-fitting tachometer.
  • Increased instrument vibration while driving.
  • Gaps around the instrument bezel.
  • Water or moisture entering behind the dashboard.
  • Dust accumulation around the instrument housing.
  • Difficulty securing the tachometer during installation.
  • Deteriorated dashboard appearance.
  • Perished or split rubber visible around the gauge.

Why Replacement Matters:

  • The tachometer sealing ring is continually exposed to sunlight, heat, moisture and age, causing the rubber to gradually lose its flexibility and sealing properties. Over time, the material can harden, shrink or crack, reducing its ability to secure the instrument and protect the dashboard from the elements.
  • A deteriorated sealing ring can allow water and dust to enter behind the dashboard, potentially affecting electrical connections and instrument reliability. It may also permit excessive movement of the tachometer, leading to unwanted vibration and detracting from the original appearance of the interior.
  • Replacing the worn seal with the OE Match Rubber Sealing Ring restores the correct fit, weather protection and factory appearance of the instrument installation. Manufactured to OE standards using premium-quality rubber, it provides factory-style fitment, excellent durability and long-lasting sealing performance, making it an ideal choice for classic Porsche restoration and routine interior refurbishment.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91164190300
91164190300

The product you are viewing cross references to these numbers
Special Order item
91164190100
Product Information
Product Information
Rubber sealing ring, 80 mm, Black, for clock and combination gauge.

porsche

Fits:
Porsche 911 2.2L-3.3L 08/1969-07/1984

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91164190100
1699650500
91164190100

The product you are viewing cross references to these numbers
Special Order item
930641507AX
Product Information
Product Information
exchange
Reconditioned Speedo 300 KM/H 

porsche

Fits:
Porsche 911 (930) Turbo 1978-89

    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

930641507AX
93064150701
930641507AX
930641507AU

The product you are viewing cross references to these numbers
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About Instruments

Porsche Instruments & Gauge Clusters | Precision Monitoring for Performance and Reliability

Your Porsche’s instrument cluster is the heartbeat of the driving experience — delivering vital performance and engine data at a glance. From speedometers and tachometers to oil pressure and temperature gauges, these instruments combine precision engineering with timeless Porsche design. Over time, however, electrical faults, fading displays, or worn mechanisms can affect accuracy and reliability.

At Design911, we supply high-quality instrument clusters, gauges, and individual components designed to match or exceed original performance standards. Each part is meticulously engineered to ensure accurate readings, seamless integration, and long-term durability, restoring the driver-focused feel that defines every Porsche.

Whether you’re restoring a classic 911 cockpit or replacing a modern digital cluster, our range provides precision, authenticity, and performance you can trust.

What Do Porsche Instruments Do?

Instrument clusters and gauges allow drivers to monitor essential performance metrics, helping maintain control and awareness in all driving conditions.

Core Functions:

  • Display vehicle speed, RPM, fuel level, oil pressure, and temperature.
  • Provide real-time engine and system monitoring.
  • Integrate warning lights and indicators for safety and diagnostics.
  • Maintain Porsche’s signature driver-focused layout.
  • Enhance cabin aesthetics with precision-crafted design and finishes.

A properly functioning instrument cluster ensures both performance accuracy and a refined interior presentation.

Why Do Instruments Wear or Fail?

Even high-precision instruments are subject to wear, ageing, and electrical issues — especially in classic and high-mileage Porsche models.

Common Causes of Failure Include:

  • Faulty sensors or electrical connections causing inaccurate readings.
  • Dimming or failed backlighting and displays.
  • Internal gear or stepper motor wear in analogue gauges.
  • Faded dial faces or cracked lenses from UV exposure.
  • Moisture ingress causing corrosion or display malfunction.

When these issues occur, inaccurate readings or unresponsive gauges can compromise both safety and driving confidence.

Why Replace or Restore Your Porsche Instruments?

Replacing or refurbishing your Porsche’s instruments ensures accurate performance monitoring and preserves interior aesthetics. High-quality replacements restore full functionality while maintaining the classic design and illumination that Porsche is renowned for.

Key Benefits:

  • Restores accurate and reliable gauge readings.
  • Improves dashboard appearance and visibility.
  • Prevents electrical faults and warning light errors.
  • Compatible with Porsche 911, Boxster, Cayman, Panamera, Macan, Cayenne and more.
  • Available for both analogue and digital instrument clusters.
  • Ideal for classic restorations, interior refurbishments, and performance rebuilds.

A refreshed instrument cluster not only improves driving precision but also enhances the timeless beauty of your Porsche interior.

Highlights

  • Precision-engineered Porsche instrument clusters and gauges.
  • Available in analogue, digital, and hybrid configurations.
  • Direct-fit solutions for restoration or replacement.
  • High-visibility illumination and durable materials.
  • Suitable for both classic and modern Porsche interiors.
  • Designed for performance reliability and authentic aesthetics.       

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