RMSTATOR RMS020-102638 Mosfet Voltage Regulator M-004

( Brand: Rmstator ), ( Part Type: Voltage Regulator ), ( Manufacturer Part Number: RMS020-102638 M-004 )

Review RMSTATOR Mosfet Voltage Regulator Harley Davidson fits 1984–1990

The RMStator RMS020-102638 M-004 Mosfet Voltage Regulator is a high-performance replacement part designed specifically for Harley-Davidson motorcycles manufactured between 1984 and 1990. This regulator is an upgrade from the original OEM part, offering improved reliability, efficiency, and voltage regulation.

The RMS020-102638 M-004 regulator utilizes Mosfet technology, which provides faster response times and better voltage regulation compared to traditional diode regulators. This technology also allows the regulator to handle higher current loads, making it an excellent choice for Harley-Davidson motorcycles with upgraded electrical systems or additional accessories.

The regulator housing is made from durable, impact-resistant ABS plastic, ensuring that it can withstand the rigors of motorcycle use. Its compact design allows for easy installation, and it can be mounted in various positions, making it a versatile option for different applications.

The RMS020-102638 M-004 regulator comes with a built-in voltage regulator, rectifier, and voltage regulator adjustment potentiometer. It is compatible with both 6-volt and 12-volt systems, making it a versatile option for various Harley-Davidson models. The regulator also features a diagnostic LED indicator, which displays the status of the voltage output, allowing for easy troubleshooting.

The RMStator RMS020-102638 M-004 Mosfet Voltage Regulator is a direct replacement for the OEM part and does not require any modifications for installation. It is engineered to meet or exceed OEM specifications, ensuring reliable operation and long-lasting performance. With its advanced technology and robust design, this regulator is an excellent choice for Harley-Davidson motorcycle enthusiasts seeking improved electrical performance and reliability.

The RMStator RMS020-102638 M-004 Mosfet Voltage Regulator is a popular aftermarket option for Harley-Davidson motorcycles manufactured between 1984 and 1990. This regulator is designed to replace the original vacuum-type regulator and offers several advantages and disadvantages.

1. Improved Charging Efficiency: The Mosfet design allows for a more efficient charging system, resulting in a faster charging battery and longer battery life.

2. Improved Regulation: The RMStator regulator provides more stable voltage regulation, which can help prevent damaging voltage spikes and improve the performance of electrical components.

3. Easy Installation: The RMStator regulator can be installed without the need for extensive wiring modifications, making it a relatively easy and straightforward upgrade.

4. Quieter Operation: The RMStator regulator operates more quietly than the vacuum-type regulator, reducing noise and improving the overall riding experience.

1. Cost: The RMStator regulator is more expensive than the stock vacuum-type regulator, which may be a deterrent for some riders.

2. Compatibility: The RMStator regulator may not be compatible with all Harley-Davidson models or accessories, so it's important to verify compatibility before making a purchase.

3. Potential for Fuse Blowouts: In some cases, the increased charging efficiency of the RMStator regulator can cause fuses to blow due to the higher current draw.

The RMStator RMS020-102638 M-004 Mosfet Voltage Regulator offers several advantages over the stock vacuum-type regulator, including improved charging efficiency, better regulation, easy installation, and quieter operation. However, it also comes with some disadvantages, such as a higher cost, potential compatibility issues, and the risk of fuse blowouts.

If you're looking for a reliable and efficient charging system for your Harley-Davidson motorcycle manufactured between 1984 and 1990, the RMStator RMS020-102638 M-004 Mosfet Voltage Regulator is a solid choice. However, it's important to ensure compatibility with your specific motorcycle model and accessories, and to be prepared for the higher cost compared to the stock regulator. Additionally, be aware of the potential for fuse blowouts and take appropriate precautions to prevent this issue.

Details:

In addition, this rectifier has overheat protection, rather than burn up it will simply turn off for a while and cool. To ensure you're receiving exactly what you want, some orders are sourced from various shipping facilities. RMSTATOR take pride in designing manufacturing more efficient parts, providing all the information necessary for an easy and reliable installation, supporting customer before, during, after sale. Free Ground Shipping.

Note: Image is for reference only, actual product may vary slightly.: RMStator Mosfet voltage Regulator For RMS020-102638 Harley Davidson 1984 -1990: 1984 -1990. Brand: RMStator, Part Number: RMS020-102638. Fitment: 1984 1990 Harley-Davidson Roadster XLS 1000.

STOP BURNING YOUR REGULATOR RECTIFIER !: It is time to update or replace your voltage regulator with the advanced MOSFET type.It runs cooler than all OEM diode regulators.

part #: rms020102638 prices

• $134.89-$169.89

specifications rightrectifier:

• for makes: Harley, Davidson
• for years: 1984-1990
• brand: Rmstator
• part type: Voltage Regulator
• manufacturer part number: RMS020-102638 M-004

seller rightrectifier:

• rating: 99.7%
• city: Wilmington,
• # reviews: 239431

general rightrectifier:

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

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• type: Fixed
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• quantity: 5
• started: February 18, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

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