Porsche 356 Deluxe Horn Ring Parts: A Complete Guide

Restoring a classic Porsche 356 Deluxe is a labor of love, and every detail matters. One component that often needs attention is the horn ring—the decorative ring on the steering wheel that activates the horn. For Deluxe models, this ring has specific styling and hardware that differs from standard 356s. Whether you are replacing a worn part or completing a concours-level restoration, understanding the available options for Porsche 356 Deluxe horn ring parts will help you make the right choice.

Understanding the Porsche 356 Deluxe Horn Ring

The horn ring on a Porsche 356 Deluxe is more than a functional switch; it is a signature styling element. The “Deluxe” designation refers to the higher-trim interior package, which included a more elegant steering wheel with a plastic or bakelite horn ring (rather than the simpler push-button horn on standard models).

What Makes It "Deluxe"?

The Deluxe horn ring is a continuous ring that encircles the horn button, often with a chrome outer rim and a black or ivory inner plastic piece. It integrates the horn contact mechanism inside the steering wheel hub. Compared to the standard 356 horn setup (a single button in the center), the Deluxe ring offers a more sophisticated look and easier activation from any hand position on the wheel.

Common Issues

Over decades of use, original horn ring parts suffer from:

• Cracked or yellowed plastic (especially on 356A and early 356B models)
• Broken bakelite (brittle material prone to chipping)
• Corroded or worn contact pins that cause intermittent horn function
• Missing or stripped springs and screws that hold the ring in place
• Faded or pitted chrome on the outer ring

Types of Replacement Parts

When sourcing Porsche 356 Deluxe horn ring parts, you have three main categories: original NOS, high-quality reproductions, and budget aftermarket pieces. Each has trade-offs in authenticity, cost, and ease of installation.

Original Porsche Parts (NOS)

New Old Stock (NOS) parts are genuine Porsche pieces from the 1950s and 1960s that never got installed. They offer perfect factory fit and correct materials (original plastic or bakelite). However, they are scarce and expensive. The plastic may have aged even in storage, so check for discoloration or embrittlement before buying.

High-Quality Reproductions

Several specialized manufacturers now produce faithfully reproduced horn rings for the 356 Deluxe. These are made from modern materials (often more durable than the originals) and match the original dimensions and finish. Look for parts made from UV-resistant plastic or properly cured bakelite-like resin. They often include a chrome ring that is plated to match the original sheen.

Aftermarket vs. Genuine: How to Choose

• For concours judging: NOS or known-brand reproductions that closely match original specs are necessary. Judges may deduct points for incorrect grain or color.
• For a driver: A good reproduction is perfectly acceptable and often more reliable. The plastic is less likely to crack, and the chrome is better sealed against pitting.
• Avoid cheap eBay specials: They often have incorrect curvature, thin chrome, and plastic that fades quickly. Stick to vendors who specialize in 356 parts.

Key Parts to Consider

A complete horn ring assembly includes several components. Make sure you are buying a matching set or verify compatibility with your existing parts.

The Horn Ring Itself

This is the main visible ring. It comes in two common styles:

• Two-piece design: Outer chrome ring and inner plastic/bakelite insert. These can be purchased separately or as a set.
• One-piece design: Early 356A Deluxe models may have a one-piece bakelite ring with a chrome cap on the outer edge. Check your car’s original configuration.

Spacer or Contact Ring

Behind the horn ring sits a metal spacer or contact ring that completes the electrical circuit when the horn ring is pressed. This ring has two or three contact points that wear down. If your horn is intermittent, the contact ring is often the culprit.

Springs and Screws

The horn ring is held onto the steering wheel hub by tiny springs and screws. These are easy to lose during disassembly. Many reproduction sets include new springs and screws, or you can buy a hardware kit separately. Make sure the screws are the correct thread pitch for your 356’s steering wheel hub.

Horn Button Center Crest

The center of the steering wheel has a horn button with the Porsche crest. This is a separate part, but it interfaces with the horn ring. The crest can be brass or plastic and may need replacement if the emblem is worn. Some dealers sell a complete horn ring and button set.

How to Identify the Correct Part for Your 356

Not all horn rings fit all 356 Deluxe models. The design changed over the years, so matching your car’s year and interior style is critical.

Model Year Variations

• Porsche 356A (1955-1959): The Deluxe horn ring is one-piece bakelite with a chrome outer rim. The steering wheel is a 16-inch diameter, and the ring attaches with two screws.
• Porsche 356B (1959-1963): Early B models used a similar bakelite ring, but later B models switched to a two-piece plastic ring with separate chrome outer ring. The contact mechanism also changed slightly.
• Porsche 356C (1963-1965): The C model continued the two-piece design, but with a larger steering wheel hub. The horn ring plastic is often ivory or light gray.

Checking Part Numbers and Interiors

Porsche stamped part numbers on the back of many horn rings. Look for a number like 644.347.010.00 or similar. Cross-reference with your model’s factory parts catalog or a trusted 356 parts supplier. Also check if your car originally had a “Deluxe” or “Standard” interior—some standard cars were later fitted with Deluxe wheels, but the horn ring might not bolt on correctly.

Installation Tips

Replacing a horn ring is a straightforward job, but some caution is needed to avoid damaging the steering wheel or wiring.

Safety: Disconnect Battery

Before touching anything, disconnect the negative battery cable. The horn circuit is always live, and a stray screwdriver can cause a short or even an unexpected honk.

Removing the Steering Wheel

You must remove the steering wheel to access the horn ring hardware. Use a steering wheel puller (three-arm type) to avoid bending the wheel. Mark the position of the wheel on the spline before removal to ensure it goes back straight.

Reassembly and Testing

1. Install the new contact ring (if applicable) onto the steering wheel hub.
2. Place the horn ring over the contact ring and align the screw holes.
3. Insert the springs and screws. Tighten evenly but not overly tight—plastic can crack.
4. Reinstall the steering wheel and horn button.
5. Connect the battery and test the horn. If it doesn’t work, check that the contact ring is touching the horn ring and that the wiring is secure.

Where to Find Parts

Specialty Porsche 356 suppliers are the best source for quality horn ring parts. They stock reproduction items and sometimes NOS pieces. Online forums and 356 owner groups often have classifieds where members sell parts from restoration projects. If you are attending a swap meet for classic German cars, you may find original parts at reasonable prices. Always ask for close-up photos of the part’s condition and inquire about return policies.

Final Recommendation

For most 356 Deluxe owners, a high-quality reproduction horn ring set from a reputable 356 parts specialist is the best balance of authenticity, durability, and cost. Choose a set that matches your model year precisely—if you have a 356B, verify whether it’s an early or late version. Replace all the associated hardware (springs, screws, contact ring) at the same time to ensure reliable horn operation. With the right parts, your Deluxe horn ring will look and function as it did when it left the factory, enhancing both the beauty and usability of your classic Porsche.