MERCURY Voltage Regulator 18736a21

( Part Type: Voltage Regulator ), ( Manufacturer Part Number: 18736A21 ), ( Country/region Of Manufacture: United States )

Review MERCURY Mc Genuine Voltage Regulator New Old Stock

The Mercury 18736A21 Voltage Regulator is a reliable and efficient solution for maintaining a stable voltage output in marine and other power applications. This voltage regulator is designed specifically for use with Mercury Marine alternators and is engineered to meet the demanding requirements of marine environments.

The Mercury 18736A21 Voltage Regulator features a robust and durable design, with a die-cast aluminum housing that protects against corrosion and water intrusion. The regulator is also equipped with a heat-sinking fin design that helps to dissipate excess heat, ensuring optimal performance even in high-temperature conditions.

This voltage regulator is designed to deliver a consistent 13.5 volts output, making it ideal for charging marine batteries and powering onboard electronics. The regulator also includes a built-in voltage sensing circuit, which allows it to automatically adjust the output voltage to maintain a consistent charge on the batteries, even as their state of charge changes.

The Mercury 18736A21 Voltage Regulator is easy to install, with a simple plug-and-play design that connects directly to the alternator and battery. The regulator also includes a diagnostic LED indicator, which provides clear visual cues for troubleshooting common issues, such as low voltage or overcharging.

Overall, the Mercury 18736A21 Voltage Regulator is an essential component for any marine power system, providing reliable and efficient voltage regulation to ensure optimal performance and longer battery life. With its robust design, easy installation, and built-in diagnostic features, this voltage regulator is a smart investment for boat owners and other power users who demand the best in marine electrical components.

Mercury 18736A21 Voltage Regulator: A Detailed Analysis

The Mercury 18736A21 is a 12V, 35A three-stage marine voltage regulator. In this analysis, we will discuss its key features, pros, cons, and a concluding recommendation.

1. Three-stage voltage regulation: This regulator maintains a stable voltage output under all loads and conditions.

2. Automotive-style, sealed, maintenance-free design: This feature ensures the regulator can withstand harsh marine environments.

3. Adjustable 12V output: This feature allows users to fine-tune the voltage output according to their specific needs.

1. Robust Construction: The Mercury 18736A21 is built to withstand the challenging marine environment, making it a reliable choice for boat owners.

2. Easy Installation: The regulator comes pre-wired, reducing the installation time and effort.

3. Adjustable Output: The ability to adjust the output voltage allows users to customize the regulator to their specific battery system.

4. Three-stage Regulation: This feature ensures a stable voltage output, minimizing the risk of damaging sensitive electronics on boats.

1. Limited Current Capacity: The Mercury 18736A21 has a maximum current capacity of 35A, which may not be sufficient for larger battery systems or high-power applications.

2. Slightly Higher Price Point: Compared to some other voltage regulators in the market, the Mercury 18736A21 comes with a slightly higher price tag.

The Mercury 18736A21 is a well-designed and robust voltage regulator that caters to the specific needs of marine applications. Its adjustable output, three-stage regulation, and rugged construction make it an ideal choice for boat owners looking for a reliable and efficient voltage regulator. However, its limited current capacity and slightly higher price point may deter some users.

If you are a boat owner with a mid-sized battery system and require a stable and efficient voltage regulator, the Mercury 18736A21 is an excellent choice. Its adjustable output, rugged construction, and reliable performance make it a worthwhile investment, despite its slightly higher price point. However, if you have a larger battery system or require a higher current capacity, you may want to consider other options on the market.

Details:

Thanks mc Genuine Mercury voltage Regulator # 18736A21 New old stock - box is somewhat damaged.

part #: 18736a21 prices

• $600.00-$799.97

specifications vesselveep:

• for makes: Mercury
• part type: Voltage Regulator
• manufacturer part number: 18736A21
• country/region of manufacture: United States

returns vesselveep:

• policy: No Returns

shipping vesselveep:

• type: Fixed
• class: Standard
• transit: 4-10 Days
• service: USPS Ground Advantage
• carrier: USPS
• cost: $8.90

seller vesselveep:

• rating: 98.2%
• city: Wyandotte, Michigan
• # reviews: 1339

payments vesselveep:

• other
• credit card: Discover
• wallet: Google-pay

offer vesselveep:

• options: Ship-to-home
• sold: 0
• quantity: 1
• started: May 12, 2025
• availability: In Stock

general vesselveep:

• condition: New
• Parts Accessories > Boat Parts > Other

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