1. Electrical & Ignition Components Offered
  2. sku: 8318428612028713
  3. HARDDRIVE MN/ZN4A

HARDDRIVE MN-ZN4A Switch Letters MN/ZN4A Run/off

fits make: Harley, Davidson. year: 1972–1981.

Zn4a Harddrive Mn/zn4a Black Switch Run/off White Letters For 1972-1981 Harley Davidson Jd

( Brand: Harddrive ), ( Manufacturer Part Number: MN/ZN4A ), ( Color: White ), ( Compatible Year: 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flh Electra Glide ), ( Bundle Description: 1 Pc Genuine Harddrive Black Switch Run/off White Letters ), ( Type: Black Switch Run/off White Letters ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review HARDDRIVE Mn/zn4a Black Switch Run/off White Letters Harley Davidson Jd fits 1972–1981

Introducing our high-quality Hard Drive MN/ZN4A switch with run/off letters, specifically designed for Harley-Davidson motorcycles manufactured between 1972 and 1981. This switch is an essential upgrade for your classic JD model, providing both functionality and style.

The Hard Drive MN/ZN4A switch is meticulously crafted to fit seamlessly into your Harley-Davidson's electrical system. Its robust construction ensures durability, allowing it to withstand the rigors of regular use on the road. The switch is manufactured using only the finest materials, ensuring reliable performance under various riding conditions.

The run/off letters on this switch are designed to be easily visible, allowing you to quickly identify the status of your headlight or other accessories. The letters are made of high-quality, long-lasting material that can withstand exposure to the elements, ensuring they remain legible for years to come.

This switch is a direct replacement for the original part, making installation quick and straightforward. It is designed to fit perfectly into the existing mounting location on your Harley-Davidson, requiring no modifications to your bike.

Upgrading to this Hard Drive MN/ZN4A switch with run/off letters offers several advantages over the original part. It provides improved illumination, ensuring better visibility on the road. Additionally, it offers enhanced durability, reducing the need for frequent replacements.

In summary, this Hard Drive MN/ZN4A switch with run/off letters is an excellent investment for any Harley-Davidson owner with a bike manufactured between 1972 and 1981. Its robust construction, improved functionality, and classic design make it an essential upgrade for your classic JD model.

Buying an aftermarket carburetor with run/off switch and hardwired mikuni HS-Series carburetors (MN/ZN4A) for 1972-1981 JD Harley-Davidson motorcycles comes with both advantages and disadvantages.

Advantages:

1. Improved Performance: The Mikuni HS-Series carburetors are known for their excellent fuel atomization and air/fuel mixture delivery, resulting in improved engine performance.

2. Convenient Switch: The run/off switch allows riders to easily turn off the engine without having to remove the key, which is especially useful when stopping for extended periods of time, such as at traffic lights or during fuel stops.

3. Better Idling: The Mikuni carburetors offer smoother idle and better throttle response, making the riding experience more enjoyable.

4. Customization: Aftermarket carburetors like the Mikuni HS-Series offer a wide range of customization options, allowing riders to fine-tune their engine's performance based on their individual preferences.

Disadvantages:

1. Cost: Aftermarket carburetors like the Mikuni HS-Series can be quite expensive, especially when compared to the original carburetors that came with the motorcycle.

2. Installation Complexity: Installing aftermarket carburetors with run/off switches can be a complex process, requiring additional wiring and modification to the motorcycle's electrical system.

3. Potential Compatibility Issues: There may be compatibility issues with other components on the motorcycle, such as the ignition system or the fuel system, which could require additional modifications or the purchase of specialized parts.

Conclusion:

In conclusion, the decision to buy an aftermarket carburetor with run/off switch and hardwired Mikuni HS-Series carburetors for a 1972-1981 JD Harley-Davidson motorcycle depends on the individual rider's priorities and preferences. Those who prioritize improved performance, convenience, and customization options may find the investment worthwhile, while those who are concerned about cost, complexity, and potential compatibility issues may prefer to stick with the original equipment. Ultimately, careful consideration and research are essential before making a purchase.

Recommendation:

If you have decided to proceed with the purchase, it is recommended to work with a reputable and experienced Harley-Davidson mechanic or specialist to ensure a smooth and successful installation process. Additionally, carefully research and compare different aftermarket options to find the best fit for your specific motorcycle model and riding style.

part # mnzn4a price

  • $27.35

specifications ignitioncompo:

  • for makes: Harley, Davidson
  • for years: 1972-1981
  • brand: Harddrive
  • manufacturer part number: MN/ZN4A
  • color: White
  • compatible year: 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972
  • compatible make: Harley Davidson
  • compatible model: Flh Electra Glide
  • bundle description: 1 Pc Genuine Harddrive Black Switch Run/off White Letters
  • type: Black Switch Run/off White Letters
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

offer ignitioncompo:

  • options: Ship-to-home
  • sold: 0
  • started: January 29, 2026
  • quantity: 1
  • availability: In Stock

general ignitioncompo:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

payments ignitioncompo:

  • credit card: Mastercard
  • wallet: Paypal
  • other

returns ignitioncompo:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

seller ignitioncompo:

  • # reviews: 16799
  • rating: 98.7%

shipping ignitioncompo:

  • type: Fixed
  • cost: $0.00
  • class: Standard
  • service: Standard
  • transit: 4-6 Days
for makes: harley, davidson, for years: 1972-1981, compatible year: 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972, compatible make: harley davidson, compatible model: flh electra glide, bundle description: 1 pc genuine harddrive black switch run/off white letters, type: black switch run/off white letters, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components, color: white, sku: 8318428612028713,

Harddrive MN-ZN4A Is Similar To:

ignitioncompo logo
1 offer $27.35 USD
  • Offer #1: $27.35 price + free delivery = $27.35* total.FREE SHIPPING