Steering Wheels Parts

Atiwe ATI steering wheel PCD adapter to Momo OMP Sparco 6 x 70mm hub boss kit

This adapter plate allows you to fit Atiwe/Italvolanti/ATI steering wheels with a 3 bolt PCD to and steering wheel hub kit with a 6 x 70mm PCD, including Momo, OMP, Sparco, Simoni and more.

You can use this adapter plate to fit a Porsche Club Sport steering wheel to a Momo hub kit, saving the time and expense of purchasing an Atiwe hub kit.

BELOW ARE TYPICAL PCD sizes FOR BRAND STEERING WHEELS:
MOMO 6 x 70mm PCD
OMP 6 x 70mm PCD
SPARCO 6 x 70mm PCD
ITALVOLANTI 6 x 70mm PCD

This adapter will NOT work with the following hub kits:
NARDI/PERSONAL 6 x 74mm PCD
RAID 6 x 74mm
MOUNTNEY TRADITIONAL 101mm PCD.
ATIWE AIRBAG EQUIPPED STEERING WHEELS.

THE ADAPTER RING IS MADE FROM AEROSPACE GRADE ALUMINIUM BILLET WITH 5mm THREAD BOLT HOLES TO ATTACH TO THE BOSS KIT.
IT COMES WITH 5 BRAND NEW FITTING BOLTS TO ATTACH THE ADAPTER TO THE BOSS KIT (THE BOTTOM BOLT THREAD IS NOT USED) AND 3 BRAND NEW FITTING BOLTS TO ATTACH THE ATIWE STEERING WHEEL TO THE BOSS KIT.
DIMENSIONS
OUTER DIAMETER: 88mm
INTERNAL DIAMETER: 55mm
DEPTH: 10mm
PLEASE NOTE THAT THERE IS NO BOSS/HUB KIT OR STEERING WHEEL INCLUDED, ONLY THE ADAPTER, BOLTS AND ALLEN KEY ARE INCLUDED. PHOTOGRAPHS 7 TO 10 ARE FOR ILLUSTRATION ONLY.

Related reference numbers
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451099

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Heritage leather embossed crest horn push button cigar brown

Description
For the first time in history, an embossed leather horn button is now available from MOMO

The MOMO Heritage Brown Cigar Leather horn push has two electrical contacts enabling ease of fitment across all vehicles in today’s market.
Featuring the Heritage stacked MOMO logo embossed into the premium Brown Cigar leather, this horn button is 100% handmade in Italy. 

This Horn Button will fit all MOMO Steering Wheel Models, and must be used with the "Standard Profile" Retaining Ring (M22135311115)

Horn button base plate
Price is Each

Fits:
Porsche 356 B / 356 C
Porsche 911 and 912 1960-1969
Porsche 914 1970-76

Fits to number 46 on diagram.

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Related, superseded, cross reference or alternative numbers for comparison.

91161380600

The product you are viewing cross references to these numbers

Horn Contact Pin (Long Type).

Fits:
Porsche 911 1965-73
Porsche 914 1970-76

Diagram ref no 11

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91434783201

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Horn Contact Pin (Long Type).

The OE MATCH Horn Contact Pin (Long Type), is a replacement electrical contact component designed to restore reliable horn operation on selected classic Porsche 911 and Porsche 914 models.

Fits:

Porsche 911 1965-73
Porsche 914 1970-76

Diagram Ref No 11

Manufactured to match the original equipment arrangement, this long-type horn contact pin forms part of the steering wheel horn activation mechanism. It helps establish the electrical connection required for the horn to sound when the driver presses the horn button or horn pad.

The horn is an essential vehicle safety feature, allowing the driver to provide an audible warning to other road users and pedestrians when necessary. For the horn to function correctly, the steering wheel contact assembly must maintain a dependable electrical connection while accommodating steering wheel rotation.

The horn contact pin provides an electrical contact point within this mechanism, allowing the horn activation circuit to operate when the horn button is pressed.

The long-type design is intended for the corresponding steering wheel and hub arrangement, where additional contact length is required to reach the mating contact surface. This helps maintain the correct relationship between the steering wheel horn mechanism and the associated electrical contact.

Over time, the original horn contact pin can deteriorate due to repeated operation, mechanical wear, corrosion, vibration or ageing of its insulating and supporting components.

A worn, damaged or incorrectly positioned contact pin may cause intermittent horn operation, complete horn failure or, in some circumstances, unwanted horn activation.

Replacing a defective original contact pin with the OE MATCH Horn Contact Pin 91434783201/1 helps restore the intended electrical connection, maintain dependable horn function and preserve the original steering wheel control arrangement.

Ideal for classic Porsche maintenance, horn electrical repairs, steering wheel refurbishment and original equipment restoration.

What This Product Does:
The horn contact pin is a small but important component within the steering wheel horn activation circuit.

Its primary functions include:

• Provides Electrical Contact: Establishes the necessary contact between the steering wheel horn mechanism and the corresponding electrical circuit.
• Supports Horn Button Operation: Helps activate the horn when the driver presses the horn button or pad.
• Maintains Reliable Electrical Continuity: Provides the intended conductive path within the horn contact assembly.
• Accommodates Steering Wheel Movement: Supports the horn electrical connection within a steering wheel assembly that rotates during driving.
• Maintains Correct Contact Position: Helps ensure the electrical contact reaches the appropriate mating surface.
• Provides Long-Type Fitment: Designed for steering wheel and hub configurations requiring the longer contact pin.
• Supports Consistent Horn Activation: Helps prevent interrupted contact caused by a worn or damaged original pin.
• Maintains the Original Horn Circuit Arrangement: Preserves the factory-style steering wheel horn activation system.
• Supports Road Safety: Helps maintain the driver's ability to sound an audible warning when required.
• Preserves Original Steering Wheel Functionality: Allows compatible original Porsche steering wheel components to operate as intended.

Symptoms Of Wear Or Failure:
The horn contact pin is exposed to repeated electrical contact, steering wheel movement and normal age-related deterioration.

Over time, the conductive contact surface or supporting components may become worn, corroded or damaged.

Common symptoms of a worn or failing horn contact pin include:

• Horn Not Working: Pressing the horn button produces no sound because the electrical contact is not being completed.
• Intermittent Horn Operation: The horn works occasionally but fails to respond consistently.
• Horn Works Only with Extra Pressure: The driver may need to press the horn button unusually firmly to achieve contact.
• Horn Works in Certain Steering Positions: Electrical contact may be inconsistent as the steering wheel rotates.
• Unwanted Horn Activation: A damaged or incorrectly positioned contact may contribute to the horn sounding without the button being pressed.
• Horn Sounds Continuously: An unintended electrical connection or short within the horn mechanism may cause continuous activation.
• Worn Contact Surface: Repeated use can cause wear or pitting at the electrical contact point.
• Corrosion or Oxidation: Moisture and ageing can affect electrical conductivity.
• Bent or Damaged Contact Pin: Mechanical damage may prevent the pin from aligning correctly with its mating surface.
• Poor Electrical Connection: Loose or damaged terminals may interrupt the horn circuit.
• Damaged Insulating Components: Deteriorated insulation may interfere with correct electrical operation or create an unintended connection.
• Incorrect Contact Length: A short-type pin fitted where a long-type component is required may fail to reach the contact surface.
• Faults Following Steering Wheel Removal: Incorrect reassembly, damaged contacts or displaced components may prevent normal horn operation.
• Visible Physical Deterioration: Inspection may reveal cracks, deformation, contamination or damaged contact surfaces.

Why Replacement Matters:
Replacing a worn, corroded or damaged horn contact pin is important for maintaining reliable operation of the vehicle's audible warning system.

• Restores Horn Operation: Helps restore electrical contact where the original pin has failed.
• Improves Electrical Reliability: Replaces worn or corroded contact surfaces that may interrupt the horn circuit.
• Reduces Intermittent Horn Faults: Helps provide a more consistent connection when the horn button is pressed.
• Supports Road Safety: Maintains the driver's ability to warn other road users and pedestrians.
• Provides the Correct Long-Type Design: Helps ensure the contact reaches the mating surface in compatible steering wheel assemblies.
• Maintains Original Steering Wheel Operation: Preserves the factory horn activation arrangement.
• Prevents Contact-Related Problems: Replaces damaged components that may contribute to unwanted or unreliable horn operation.
• Supports Electrical System Maintenance: Provides a practical replacement when diagnosing and repairing horn circuit faults.
• Original Equipment-Style Fitment: Designed to match the corresponding Porsche horn contact arrangement.
• Avoids Unnecessary Modifications: Allows repair of the original horn mechanism without adapting the steering wheel wiring.
• Ideal for Steering Wheel Refurbishment: Suitable when restoring original horn buttons, hubs and steering wheel assemblies.
• Supports Classic Porsche Restoration: Helps preserve the original appearance and operation of the vehicle's controls.
• Cost-Effective Repair: Replacing a defective contact pin may resolve horn problems without replacing the complete steering wheel or horn assembly.

Although the horn contact pin is a small electrical component, its condition can directly affect the reliability of the vehicle's horn.

A horn that operates intermittently may fail when the driver needs to alert another road user to a potential hazard. Equally, a horn that activates unexpectedly can distract the driver and create an inconvenience or safety concern.

The contact pin must maintain the correct electrical relationship with the surrounding horn button and contact components.

If the pin is worn, damaged or incorrectly positioned, that connection may become unreliable.

Replacing the defective pin with the OE MATCH long-type replacement helps restore the intended contact arrangement and dependable horn activation.

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

91434783201

The product you are viewing cross references to these numbers

Horn contact pin (Short type).

Fits:
Porsche 911 1965-73
Porsche 914 1970-76
Porsche 356B / 356C 1960-65

Diagram ref no 15

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91434783100

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Horn contact pin (Short type). Short Version for cars w/standard wheel hub.

Fits:
Porsche 911 1965-73
Porsche 914 1970-76
Porsche 356B / 356C 1960-65

Diagram ref no 15

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91434783100

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Horn contact ring
This original Porsche steering wheel electrical contact component forms part of the horn circuit, helping provide the contact path needed for horn operation through the steering wheel assembly.

Fits:
Porsche 911 / 912 1965 - 1973

Diagram ref no 31

This part is used within the steering wheel / steering column horn contact assembly on selected early Porsche 911 and 912 models.

What This Part Does / Functions
•  Provides an electrical contact path for the horn circuit
•  Allows horn operation through the steering wheel / horn button assembly
•  Maintains contact while the steering wheel turns
•  Supports correct function of the original horn switch system
•  Replaces a worn, damaged, corroded or missing contact ring
•  Helps restore reliable horn operation.
•  Provides correct OE Porsche fitment for the steering wheel assembly
•  Supports accurate restoration of the early Porsche steering column / horn system.

Why Replace This Part?
The horn contact ring is a small but important electrical part. Over time, the contact surface can become worn, dirty, corroded or damaged. It may also be missing or incorrectly fitted after previous steering wheel, horn button or column repairs. A faulty contact ring can cause intermittent horn operation, no horn function, poor contact or unreliable electrical continuity.

Replacing it with an OE Genuine Porsche horn contact ring helps restore the correct factory horn circuit and steering wheel fitment.

Common Symptoms of a Faulty Horn Contact Ring
•   Horn does not work
•   Horn only works intermittently
•   Horn works only at certain steering wheel positions
•   Poor or inconsistent horn button response
•   Corroded or worn contact surface
•   Damaged or missing contact ring
•   Incorrect aftermarket contact plate fitted
•   Fault found during steering wheel or horn button repair.

When to Replace This Part
•   If the horn contact ring is worn, corroded or damaged
•   If horn operation is intermittent or unreliable
•   During steering wheel removal or replacement
•   During horn button or horn circuit repair
•   During steering column restoration
•   If the original contact ring is missing
•   When replacing incorrect steering wheel hardware
•   When restoring the vehicle with OE Genuine Porsche electrical parts.

Where It Fits on the Car
This part fits in the steering wheel / steering column horn contact assembly. It forms part of the electrical contact system that allows the horn button to complete the horn circuit.

Correct installation is important to ensure reliable horn operation and avoid unwanted horn activation or loss of contact.

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

90161391500

The product you are viewing cross references to these numbers

Horn contact ring
OE Match horn contact ring for Porsche 911 and 912 models from 1965 to 1973. This replacement steering wheel electrical contact helps maintain the horn circuit connection, supporting reliable horn operation when the steering wheel horn button is pressed.

Fits:
Porsche 911 / 912 1965 - 1973

Diagram ref no 31

What this part does
The horn contact ring provides the electrical connection required between the steering wheel horn button and the vehicle horn circuit. A correctly functioning contact ring allows the horn signal to pass reliably while the steering wheel is being turned.

Functions
•  Replaces the horn contact ring
•  Provides electrical contact for the horn circuit
•  Supports reliable horn button operation
•  Maintains contact while the steering wheel is rotated
•  Helps restore correct steering wheel horn function
•  Suitable for steering wheel repair or electrical restoration
•  OE Match replacement for classic Porsche horn system service

Why Replace This Part?
Horn contact rings can wear, corrode, become dirty, damaged, or lose electrical continuity due to age and repeated steering wheel movement. A worn contact ring may cause intermittent horn operation, complete horn failure, or inconsistent response from the horn button.

Replacing the contact ring helps restore a reliable electrical connection within the steering wheel horn circuit.

When to Replace This Part
•   Horn operates intermittently
•   Horn does not work when the steering wheel button is pressed
•   Contact ring is worn, corroded, or damaged
•   Steering wheel is being removed or restored
•   Horn circuit diagnosis points to poor steering wheel contact

Where it fits on the car
This contact ring fits within the steering wheel / horn contact assembly on Porsche 911 and 912 models.


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

90161391500

The product you are viewing cross references to these numbers

Horn ring hardware

Fits:
Porsche 356 B / 356 C
Porsche 911 and 912 1960-1969
Porsche 914 1970-76

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91461380855

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Hub for Porsche Classic performance steering wheel.
Please note: For racing use only. Not approved for road use.

Fits:
Porsche 911 F 1965 - 1973



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PCG34790100

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Insulating bushing for horn button.
Three bushings required per car. SOLD EACH.

Fits:
Porsche 356 B / 356 C
Porsche 911 and 912 1960-1969

Fits to number 46 on diagram.

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64434782003

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Black plastic insulating washer for horn button. 8mm x 10mm.
6 required per car. SOLD EACH.

Fits:
Porsche 356 B / 356 C
Porsche 911 and 912 1960-1969

Fits to number 46 on diagram.

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64434782004

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MOMO Horn Button 2 Contact - Embossed Black Leather Arrow


For the first time in history, an embossed leather horn button is now available from MOMO!

The MOMO Arrow Black Leather horn push has two electrical contacts enabling ease of fitment across all vehicles in today’s market.

Featuring a MOMO Arrow logo embossed into the premium black leather, 100% handmade in Italy. 

This Horn Button will fit all MOMO Steering Wheel Models, and must be used with the "Low Profile" Retaining Ring (M22135311116)

MOMO Horn button retaining ring - Low Profile



Used to attach a MOMO Horn Button to any MOMO steering wheel, this Horn Button Retaining Ring is compatible with all flush-fitment MOMO horn buttons that require a securing plate from the rear of the steering wheel.

Attached between the MOMO Hub Kit and steering wheel this part enables you to safely secure the horn button in place.

To be used with Flush fitment horn buttons which sit flush to the steering wheel face.

Outer Diameter: 80mm
Inner Diameter: 51mm
Bolt Hole Diameter: 0.65mm
Fitment: 6 Bolt

Heritage leather embossed crest horn push button cigar brown

Description

Used to attach a MOMO Horn Button to any MOMO steering wheel, this Horn Button Retaining Ring is compatible with all MOMO horn buttons that require a securing plate from the rear of the steering wheel.

Attached between the MOMO Hub Kit and steering wheel this part enables you to safely secure the horn button in place.

To be used with "Standard" fitment horn buttons which sit Proud of the steering wheel face.

• Outer Diameter: 80mm
• Inner Diameter: 51mm
• Bolt Hole Diameter: 0.65mm
• Fitment: 6 Bolt