PRESTOLITE 390-7009 Nos Rectifier Diode Motorola Alter Alter.

( Brand: Prestolite ), ( Manufacturer Part Number: 390-7009 ), ( Part Type: Rectifier )

Review PRESTOLITE Nos Mercury Rectifier Diode Motorola Alter. Lot Of

The Prestolite 390-7009 is a Mercury Rectifier Diodes specifically designed for Motorola ALTER applications. This diode is an essential component in charging systems for motorcycle batteries, ensuring efficient and reliable power conversion.

The diode features a compact design, with dimensions of approximately 1.2 inches in length, 0.9 inches in width, and 0.3 inches in height. Its small footprint makes it an ideal choice for motorcycle applications where space is a constraint.

The Prestolite 390-7009 is a high-performance rectifier diode, capable of handling a maximum voltage of 14.4 volts and a maximum current of 200 amperes. It is designed to withstand the rigors of motorcycle use, including extreme temperatures and vibration.

The diode is made from high-quality materials, including a heat-resistant ceramic substrate and a heavy-duty metal case. Its leads are made from copper, ensuring excellent electrical conductivity and durability.

The Prestolite 390-7009 is a low-impedance diode, which helps to minimize power loss and improve overall system efficiency. It is also designed to be self-regulating, ensuring that the charging voltage remains constant, even under varying load conditions.

This diode is easy to install, with clear markings on its casing to indicate the positive and negative terminals. It is a direct replacement for the original equipment manufacturer (OEM) diode in Motorola ALTER charging systems.

In summary, the Prestolite 390-7009 is a high-performance, compact, and reliable Mercury Rectifier Diodes designed specifically for Motorola ALTER applications. Its compact size, high current handling capacity, and low impedance make it an ideal choice for motorcycle charging systems, ensuring efficient power conversion and reliable operation.

The Prestolite 390-7009 NOS Mercury Rectifier Diodes are used in Motorola ALTER power supplies to convert AC to DC power. Here are some pros and cons of buying this specific diode:

1. OEM Part: This diode is an original equipment manufacturer (OEM) part, meaning it is manufactured by the same company that originally supplied it for the Motorola ALTER power supply.

2. Reliability: Since it is an OEM part, it is designed to meet the specifications and requirements of the Motorola ALTER power supply, ensuring reliability and compatibility.

3. Long-term Solution: Replacing a faulty diode with an OEM part can be a long-term solution to power supply issues, as compared to using aftermarket or generic parts which may not last as long or may not perform as well.

1. Cost: OEM parts tend to be more expensive than aftermarket or generic parts. The price of the Prestolite 390-7009 NOS Mercury Rectifier Diodes may be higher than alternative options.

2. Availability: Due to their specificity, OEM parts may not be as readily available as aftermarket or generic parts. This could result in longer lead times for shipping and delivery.

3. Limited Application: This diode is specifically designed for use in the Motorola ALTER power supply, and cannot be used in other applications or power supplies.

The Prestolite 390-7009 NOS Mercury Rectifier Diodes offer reliability and compatibility as an OEM part for the Motorola ALTER power supply. However, they may be more expensive and less readily available than aftermarket or generic alternatives. Ultimately, the decision to purchase this diode depends on the specific needs and budget of the user.

If reliability and compatibility are the top priorities, and if the budget allows, the Prestolite 390-7009 NOS Mercury Rectifier Diodes are a good choice for repairing the Motorola ALTER power supply. However, if cost and availability are more important considerations, aftermarket or generic alternatives may be worth exploring. It's important to ensure that any alternative parts meet the specifications and requirements of the power supply to avoid compatibility issues.

Details:

part #: 3907009 price

• $15.00

specifications otsterndriv:

• for makes: Mercury
• brand: Prestolite
• mpn: 390-7009
• part type: Rectifier

general otsterndriv:

• condition: New other see details
• Boat Parts > Sterndrive Motors Components > Other

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• started: February 6, 2026

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