1. Voltage Regulators & Rectifiers Offers
  2. sku: 6439822679056632
  3. COMPU FIRE MN/28VJ

COMPU-FIRE MN-28VJ Voltage Regulator MN/28VJ 38A

fits model: Fxrs, Sp. make: Harley, Davidson. year: 1986–1993.

28vj Compu-fire Mn/28vj 38a Voltage Regulator For 1986-1993 Harley Davidson Fxrs-sp Low Dr

( Brand: Compu-fire ), ( Type: 38a Voltage Regulator ), ( Manufacturer Part Number: MN/28VJ ), ( Color: Black ), ( Compatible Year: 1993 1992 1991 1990 1989 1988 1987 1986 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxrs-sp Low Rider Sport ), ( Bundle Description: 1 Pc Genuine Compu-fire 38a Voltage Regulator ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review COMPU FIRE Mn/28vj 38a Voltage Regulator Harley Davidson Fxrs sp Low Dr fits FXRS SP 1986–1993

Introducing the Compu-Fire MN/28VJ 38A Voltage Regulator, specifically designed for Harley-Davidson FXRS-SP motorcycles manufactured between 1986 and 1993. This voltage regulator is an essential component of your electrical system, ensuring optimal charging performance and battery health.

The Compu-Fire MN/28VJ 38A Voltage Regulator is a high-quality, OEM-style replacement part, engineered to deliver reliable and consistent power output. It is designed to replace the original regulator, which may have worn out or failed due to age or usage.

This voltage regulator features a robust design, with a durable housing that can withstand the rigors of motorcycle use. It is constructed from high-quality materials, including a heavy-duty terminal post and a corrosion-resistant coating, to ensure long-lasting performance.

The Compu-Fire MN/28VJ 38A Voltage Regulator is designed to provide a stable voltage output, maintaining the optimal charging voltage for your motorcycle's battery. It is capable of delivering 38 amps of current, allowing it to quickly and efficiently charge your battery, even when riding at high speeds or carrying a heavy load.

The regulator also includes a built-in temperature sensor, which helps to protect your battery from overcharging or undercharging. It automatically adjusts the charging voltage based on the ambient temperature, ensuring that your battery is always charged to the optimal level, regardless of the conditions.

Installation of the Compu-Fire MN/28VJ 38A Voltage Regulator is straightforward and can be done in just a few steps. It is compatible with the stock wiring harness, making it a simple plug-and-play upgrade. The regulator also comes with clear and detailed instructions, ensuring that you can complete the installation with confidence.

In conclusion, the Compu-Fire MN/28VJ 38A Voltage Regulator is a high-quality, reliable, and efficient replacement part for Harley-Davidson FXRS-SP motorcycles manufactured between 1986 and 1993. It is designed to deliver stable voltage output, protect your battery from overcharging and undercharging, and provide quick and efficient charging performance. With its robust design, easy installation, and long-lasting performance, the Compu-Fire MN/28VJ 38A Voltage Regulator is an essential upgrade for any Harley-Davidson rider.

The Compu-Fire MN/28VJ 38A Voltage Regulator is a popular aftermarket option for Harley-Davidson FXRS-SP motorcycles manufactured between 1986 and 1993. This voltage regulator is designed to provide a more stable and consistent electrical system for your motorcycle. Here are some pros and cons to help you make an informed decision about purchasing this part.

Pros:

1. Improved Charging: The Compu-Fire MN/28VJ 38A Voltage Regulator is known for its ability to provide a more consistent and efficient charging system. This can help extend the life of your battery and reduce the likelihood of electrical issues.

2. Easy Installation: This voltage regulator is relatively easy to install, and most Harley-Davidson owners report that the installation process takes less than an hour.

3. Improved Performance: By providing a more stable electrical system, the Compu-Fire MN/28VJ 38A Voltage Regulator can help improve the overall performance of your motorcycle. This can lead to smoother idling, better acceleration, and improved fuel efficiency.

4. Durability: This voltage regulator is built to last, with a heavy-duty design that can withstand the rigors of regular motorcycle use.

Cons:

1. Cost: The Compu-Fire MN/28VJ 38A Voltage Regulator is more expensive than the original OEM voltage regulator. However, many riders report that the improved performance and reliability are worth the additional cost.

2. Compatibility: This voltage regulator is specifically designed for Harley-Davidson FXRS-SP motorcycles manufactured between 1986 and 1993. It may not be compatible with other Harley-Davidson models or motorcycles from other manufacturers.

3. Adjustments: Some riders report that they had to make adjustments to their electrical system after installing the Compu-Fire MN/28VJ 38A Voltage Regulator. However, this is relatively rare, and most riders report that the voltage regulator works perfectly out of the box.

Conclusion:

If you're looking for a way to improve the electrical system on your Harley-Davidson FXRS-SP motorcycle from 1986 to 1993, the Compu-Fire MN/28VJ 38A Voltage Regulator is an excellent choice. This part is known for its ability to provide a more consistent and efficient charging system, which can help extend the life of your battery and improve overall performance. While it may be more expensive than the OEM voltage regulator, many riders report that the improved reliability and durability are worth the additional cost.

Recommendation:

If you're in the market for a new voltage regulator for your Harley-Davidson FXRS-SP motorcycle, the Compu-Fire MN/28VJ 38A Voltage Regulator is an excellent choice. This part is specifically designed for your motorcycle model and year, and it's known for its ability to provide a more consistent and efficient charging system. While there are some potential cons to consider, such as cost and compatibility, the pros far outweigh the cons. If you're looking for a way to improve the reliability and performance of your electrical system, this voltage regulator is an excellent investment.

Details:

Compu-Fire 38A voltage Regulator for 1986 - 1993 Harley Davidson FXRS-SP Low dr: Status: In Stock.

part #: mn28vj price

  • $293.37

specifications rightrectifier:

  • for models: Fxrs, Sp
  • for makes: Harley, Davidson
  • for years: 1986-1993
  • brand: Compu-fire
  • type: 38a Voltage Regulator
  • manufacturer part number: MN/28VJ
  • color: Black
  • compatible year: 1993 1992 1991 1990 1989 1988 1987 1986
  • compatible make: Harley Davidson
  • compatible model: Fxrs-sp Low Rider Sport
  • bundle description: 1 Pc Genuine Compu-fire 38a Voltage Regulator
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

shipping rightrectifier:

  • class: Standard
  • service: Standard
  • type: Fixed
  • transit: 2-5 Days
  • cost: $0.00

payments rightrectifier:

  • credit card: Visa
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  • wallet: Paypal

general rightrectifier:

  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Voltage Regulators Rectifiers
  • condition: New

returns rightrectifier:

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

offer rightrectifier:

  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • started: February 23, 2026
  • availability: In Stock

seller rightrectifier:

  • rating: 98.8%
  • # reviews: 17824
  • city: Multiple warehouses
for models: fxrs, sp, for makes: harley, davidson, for years: 1986-1993, type: 38a voltage regulator, compatible year: 1993 1992 1991 1990 1989 1988 1987 1986, compatible make: harley davidson, compatible model: fxrs-sp low rider sport, bundle description: 1 pc genuine compu-fire 38a voltage regulator, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components > voltage regulators rectifiers, color: black, sku: 6439822679056632,

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