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- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE MATCH Instrument Bulb Holder With Single Screw Connection, Non-Insulated 64474190100/1 is a replacement dashboard lighting component designed for classic Porsche 356, 356A, 356B and 356C models manufactured between 1950 and 1965.
Fits:- Porsche 356, 356A, 356B and 356C models.
Designed to provide OE-style fitment and functionality, this instrument bulb holder secures the dashboard illumination bulb and provides an electrical connection within the vehicle's instrument lighting system.
The bulb holder features a single screw connection and non-insulated construction, matching the original-style arrangement used in applicable Porsche 356 instruments.
Also known as an instrument lamp holder, dashboard bulb socket or gauge illumination bulb holder, this component plays an important role in keeping the vehicle's instruments illuminated and readable during night-time driving.
Over time, original bulb holders can deteriorate due to corrosion, vibration, ageing, electrical resistance and repeated bulb replacement. Damaged or worn contacts may result in flickering instrument illumination, intermittent lighting or complete failure of an individual dashboard bulb.
The OE MATCH replacement provides a practical solution for restoring secure bulb retention and dependable electrical contact without replacing an otherwise serviceable instrument assembly.
Ideal for dashboard repairs, instrument refurbishment, electrical maintenance and classic Porsche restoration projects, this component helps preserve the original dashboard lighting arrangement and authentic appearance of the Porsche 356 interior.
What This Product Does:
The instrument bulb holder provides a secure mounting point and electrical connection for the bulb used in the vehicle's dashboard instrument lighting system.
When fitted to the appropriate instrument assembly, it holds the bulb in the correct position so that the instrument can be illuminated when the relevant lighting circuit is activated.
Its key functions include:
- Instrument Illumination: Supports lighting within the dashboard instruments, helping drivers read information in low-light conditions.
- Bulb Retention: Holds the instrument bulb securely in its designated position.
- Electrical Connection: Provides the connection required to deliver electrical power to the bulb.
- Single Screw Terminal: Allows the appropriate electrical wire connection to be secured through the original-style screw terminal.
- Non-Insulated Construction: Maintains the intended electrical arrangement of the applicable instrument assembly, where the holder's conductive body forms part of the designed circuit.
- Consistent Electrical Contact: Helps maintain reliable contact between the bulb and the vehicle's lighting circuit.
- Correct Bulb Positioning: Keeps the bulb correctly aligned within the instrument housing.
- Vibration Resistance: Helps prevent unwanted bulb movement during normal driving.
- Dashboard Visibility: Supports the driver's ability to read illuminated instruments after dark.
- Original Equipment Appearance: Helps preserve the factory-style dashboard lighting configuration.
- Restoration Compatibility: Provides an OE-style replacement for refurbishment of original Porsche 356 instruments.
Symptoms Of Wear Or Failure:
Over time, moisture exposure, vibration, temperature changes and electrical deterioration can cause the original instrument bulb holder to develop faults.
Common symptoms include:
- Instrument Light Not Working: A failed electrical contact or damaged holder may prevent an otherwise functional bulb from illuminating.
- Intermittent Dashboard Illumination: The instrument light may work occasionally due to a loose or unreliable electrical connection.
- Flickering Instrument Light: Poor contact between the bulb and holder can result in flickering, particularly when driving over uneven surfaces.
- Corroded Electrical Contacts: Oxidation or corrosion around the holder or terminal can interfere with electrical conductivity.
- Loose Bulb Fitment: Worn retaining contacts may prevent the bulb from remaining securely seated.
- Damaged Screw Terminal: A stripped, corroded or damaged screw connection may prevent the supply wire from being secured properly.
- Broken or Bent Contacts: Physical deterioration may affect the holder's ability to retain the bulb or complete the electrical circuit.
- Burnt or Discoloured Contact Areas: Excessive resistance or poor electrical connections can sometimes cause localised overheating.
- Bulb Movement: A damaged holder may allow the bulb to shift position, resulting in unreliable illumination.
- Loose Electrical Wiring: A weakened terminal connection may allow the wire to become loose or disconnected.
- Visible Surface Corrosion: Rust or oxidation on metal surfaces may indicate long-term moisture exposure or poor storage conditions.
- Difficulty Installing the Bulb: A distorted or damaged holder may prevent the bulb from fitting correctly.
- Repeated Bulb Illumination Faults: Persistent problems after replacing the bulb may indicate a faulty holder or another circuit issue.
- Damaged Mounting Arrangement: An incorrectly seated or weakened holder may fail to make its intended connection with the instrument housing.
Why Replacement Matters:
- Replacing a worn, corroded or damaged instrument bulb holder is an important part of maintaining the reliability and original functionality of your classic Porsche 356 dashboard lighting system.
- The instrument lighting system allows the driver to view important dashboard information during night-time and low-light driving.
- A functioning bulb holder ensures that the instrument bulb is correctly positioned and maintains the electrical contact necessary for dependable illumination.
- If the holder becomes corroded or its electrical contacts deteriorate, the bulb may receive an inconsistent electrical supply. This can result in flickering, intermittent lighting or complete loss of instrument illumination.
- Poor dashboard visibility can make it more difficult to monitor vehicle speed, engine operation, fuel level and other instrument readings after dark.
- The single screw connection is particularly important because it provides the means of securing the electrical wire to the bulb holder.
- If the screw terminal becomes damaged, corroded or loose, the resulting poor electrical connection may increase resistance, cause intermittent operation or contribute to localised heat build-up.
- Replacing the damaged holder helps restore secure wire attachment and reliable bulb contact.
- The holder's non-insulated construction is another important feature. It is intended for the corresponding original-style instrument arrangement and must be fitted correctly to ensure proper electrical operation.
- Installing an unsuitable or incorrectly positioned holder could cause electrical faults, including an unintended short circuit.
- For classic Porsche owners, preserving the original dashboard lighting configuration is particularly important during instrument refurbishment and interior restoration.
- Original components that have been in service for several decades may exhibit corrosion, metal fatigue or damage from previous repairs.
- The OE MATCH replacement allows an individual bulb holder to be renewed while retaining the original instrument assembly where it remains serviceable.
- This can provide a practical alternative to replacing or extensively rebuilding an otherwise functional dashboard gauge.
- Replacing deteriorated electrical components also provides an opportunity to inspect the associated wiring, terminals and instrument housing for further signs of ageing.
- The OE MATCH Instrument Bulb Holder 64474190100/1 provides an OE-style replacement solution designed to restore dependable instrument illumination, secure electrical connections and preserve the authentic functionality of the Porsche 356 dashboard.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64474190100
The product you are viewing cross references to these numbers
- 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
- Porsche 911 1978-1983 3.0L / SC
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 914 (1970-1976)
Mechanical Odometer Speedometer Gear
Restore the operation of your classic Porsche's odometer
with this OE Match Mechanical Odometer Speedometer Gear.
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
- Porsche 911 1978-1983 3.0L / SC
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 914 (1970-1976)
This gear is located on the side of the speedometer framework and forms an important part of the internal gear train that drives both the odometer and trip meter. Over time, the original plastic gear can become brittle through age and repeated use, often developing a fine crack around the centre bore where it fits onto the shaft. Once cracked, the gear can no longer grip the shaft correctly, causing it to slip and preventing the odometer from recording mileage accurately.
One of the most common symptoms is that the speedometer needle continues to work normally, while the odometer and trip meter stop counting or operate intermittently.
It is important to note that there are potentially two internal gears that commonly fail within the speedometer. Before ordering, inspect the gear mounted on the side of the speedometer framework.
If your existing gear is metal, this replacement is not required. If your gear is plastic, inspect it carefully around the shaft hole for hairline cracks or signs of slipping. Even a very small crack is enough to cause the gear to fail.To ensure the correct replacement is ordered, the speedometer must be opened and the existing gear inspected. As Porsche used several different gear styles and tooth counts across production, it is always recommended to confirm the original gear before purchasing.
Key Features
- Replaces the plastic gear fitted to the side of the speedometer framework
- Restores odometer and trip meter operation
- Direct replacement for worn or cracked original gears
- Manufactured for precise fit and reliable performance
- Ideal for speedometer restoration and instrument repairs
Always inspect your original gear before ordering Not required if your existing gear is metal
Porsche Mechanical Speedometer & Odometer Repair Parts
The mechanical VDO speedometers fitted to classic Porsche models are renowned for their durability, but after decades of service the internal plastic gears naturally become brittle. One of the most common failures occurs when the gear mounted on the side of the speedometer framework develops a small crack around the centre shaft.
Although the crack is often difficult to see, it prevents the gear from gripping the shaft securely, allowing it to rotate independently instead of driving the odometer mechanism. Replacing the damaged gear restores accurate mileage recording while preserving the originality of your factory instrument.
Common Symptoms of a Failed Mechanical Odometer Gear
- Speedometer needle operates correctly
- Odometer has stopped recording mileage
- Trip meter no longer works
- Intermittent odometer operation
- Gear slips on the shaft
- Hairline crack visible around the centre bore of the plastic gear
Because several different gear designs and tooth counts were used across Porsche production, dismantling the speedometer and inspecting the original gear is essential before ordering a replacement.
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Fits:
Porsche 944 1985-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94464194101
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
Fits:
Porsche 928 1985-91 - x4 required in total
Porsche 944 1985-91 - Facelift models only, x6 required in total
Porsche 968 1992-95
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Gauge Cluster Printed Circuit Replacement.
The LutzAuto Instrument Cluster Printed Circuit Board Replacement is a precision-engineered solution designed to permanently resolve common electrical failures in the Porsche 944 instrument cluster.
From the factory, Porsche 944 dashboards relied on a flexible printed circuit foil to distribute power and signals to the gauges, warning lights, and cluster illumination. Over time, this foil becomes brittle due to heat exposure, material aging, and repeated handling during maintenance. Cracked traces and poor conductivity result in erratic gauge behavior, flickering illumination, and intermittent or complete instrument cluster failure.
The LTZ-94464196101 eliminates these issues by replacing the fragile original flex foil with a modern, rigid printed circuit board (PCB). Manufactured to precise OEM dimensions and electrical specifications, this upgraded board restores stable electrical connections throughout the cluster while offering significantly improved durability and long-term reliability.
Designed as a direct-fit replacement, the board installs cleanly into the original instrument cluster housing with no permanent modifications required. It preserves the factory appearance of the dashboard while delivering modern electrical reliability—making it ideal for restorations, daily-driven classics, and preventative maintenance alike.
Engineered and manufactured by LutzAuto, this replacement PCB provides a professional-grade solution to one of the Porsche 944’s most well-known dashboard failure points.
Fits:
What This Product Does:
What Is Included In The Kit:
- New Modern Circuit Boards
- New Indicator LED lights
- New Illumination LED lights
- Plugin Wiring and Zipties
Key Features:
- Direct-fit replacement designed specifically for the Porsche 944 instrument cluster
- Modern rigid printed circuit board (PCB) replaces delicate OEM flex circuit
- Improved durability and reliability over factory foil
- Engineered to match original Porsche electrical and dimensional specifications
- Supports all original cluster functions — gauges, warn lights, and illumination
- Designed and manufactured by LutzAuto with quality and longevity in mind
- Erratic or non-moving gauge needles
- Flickering cluster lighting
- Warning lights that don’t illuminate or stay on unexpectedly
- Complete or intermittent loss of cluster feedback
- Gauges that behave differently when warm vs cold
- Sudden cluster failures during driving
Why Replacement Matters:
- Restores Accurate Instrumentation: Accurate gauges are essential for safe, confident driving — monitoring speed, engine temperature, oil pressure, and fuel level.
- Improves Reliability: A modern PCB resists the brittleness and conductive failures common to old flex circuits.
- Prevents Further Damage: Intermittent electrical faults can cause misleading data or stress other vehicle systems.
- Preserves Dashboard Functionality: Restores full warning light operation, backlighting, and gauge response.
- Supports Classic Vehicle Restoration: A dependable replacement enhances the overall restoration quality and longevity of a classic Porsche 944.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
LTZ-94464196101
The product you are viewing cross references to these numbers