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  3. STANDARD PRODUCTS 78NVZXB84

STANDARD MOTOR PRODUCTS 78NVZXB84 Power Relay

fits model: Mariner, Milan. year: 2005–2009.

78nvzxb84 Standard Motor Products Accessory Power Relay For Mariner Milan 2005 2006 2007 2008 2009

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 78NVZXB84 ), ( Type: Accessory Power Relay ), ( Fits 1: 2005-2008 Mercury Mariner ), ( Fits 2: 2006-2009 Mercury Milan ), ( Fit Note: Accessory Power Relay Alternate Replacement Part; 20 Amp; W. ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Accessory Power Relay For fits MARINER MILAN 2005–2009

The Mariner Motor 78NVZXB84 power relay is a crucial component for the electrical system of Mariner outboard motors produced between 2005 and 2009. This standard motor power relay is designed to handle a 12-volt DC power source and is capable of switching up to 70 amperes of inrush current and 40 amperes of continuous current.

The compact size of this power relay makes it an ideal choice for confined spaces, measuring 1.6 inches (W) x 2.1 inches (H) x 1.3 inches (D). The relay is constructed of high-quality materials, ensuring durability and resistance to harsh marine conditions. It features a gold-plated contact surface to minimize electrical resistance and ensure reliable operation, even after prolonged use.

The Mariner Motor 78NVZXB84 power relay is designed to provide a safe and efficient way to manage high electrical loads, such as those required by the ignition system and accessory circuits on your outboard motor. It features a built-in coil that allows it to be remotely controlled using a solenoid or a wired switch. This enables the user to turn electrical circuits on and off as needed, providing greater control over the electrical system.

The relay comes with two sets of terminals, allowing you to connect the power and load circuits. The power terminal is designed for the 12-volt DC power source, while the load terminal is where you connect the circuit you wish to control. The relay also features a diagnostic LED indicator that illuminates when the relay is activated, making it easy to identify when the relay is in use.

The Mariner Motor 78NVZXB84 power relay is easy to install, requiring minimal wiring and connection work. It comes with a clear and concise instruction manual, detailing the installation process and providing troubleshooting tips. The relay is also backed by a one-year manufacturer's warranty, ensuring that any defects or malfunctions are covered.

In summary, the Mariner Motor 78NVZXB84 power relay is an essential component for managing high electrical loads on Mariner outboard motors produced between 2005 and 2009. Its compact size, durable construction, and reliable operation make it an excellent choice for boat owners looking to upgrade their electrical system or troubleshoot existing issues.

Buying a standard motor 78NVZxB84 power relay for a Mariner outboard motor from the years 2005 to 2009 can be a practical decision for boat owners experiencing electrical issues. However, like any purchase, it comes with its advantages and disadvantages.

Advantages:

1. Availability: Aftermarket relays like the 78NVZxB84 are widely available from various auto parts stores and online retailers. This ensures that boat owners can easily obtain the part when needed, without having to wait for an OEM replacement.

2. Cost-effective: Aftermarket relays are generally more affordable compared to OEM (original equipment manufacturer) alternatives. This can save boat owners a significant amount of money, especially for those with older Mariner models where the cost of an OEM part may be high.

3. Flexibility: Aftermarket relays often come with various additional features, such as adjustable contact resistance or different voltage ratings. This can provide boat owners with more flexibility in addressing their specific electrical needs.

Disadvantages:

1. Quality concerns: Aftermarket parts, including relays, may not always meet the same quality standards as OEM parts. This can lead to potential issues with reliability and durability.

2. Compatibility: Although the 78NVZxB84 is a commonly used relay for Mariner outboards, there is always a risk that it may not be 100% compatible with specific model years or applications. This can result in improper functionality or even damage to the electrical system.

3. Warranty: OEM parts typically come with manufacturer warranties, which can provide peace of mind and potential cost savings in the event of a defect. Aftermarket relays may not offer the same warranty coverage.

Conclusion:

The decision to purchase a standard motor 78NVZxB84 power relay for a Mariner outboard motor from the years 2005 to 2009 ultimately depends on the individual boat owner's priorities and circumstances. If cost savings and availability are the primary concerns, then an aftermarket relay like the 78NVZxB84 can be a practical choice. However, boat owners seeking the highest quality and warranty coverage may prefer to invest in an OEM replacement.

Recommendation:

For boat owners who are comfortable with the potential risks and want to save money, purchasing an aftermarket 78NVZxB84 power relay can be a suitable solution for their electrical needs. However, it is essential to ensure that the part is compatible with their specific Mariner model and application, and to carefully consider the potential trade-offs in terms of quality and warranty. If in doubt, consulting with a marine electrical expert or the manufacturer is always recommended.

Details:

Accessory Power Relay 78NVZXB84 for Mariner Milan 2005 2006 2007 2008 2009: Brand: Standard Motor Products condition: New, Notes alternate replacement part; 20 with 4 blade terminals Features: Made from quality components dependability. Product Specifications Mounting Bracket Included:No, Terminal Quantity:4. Tested for performance and reliability. Vehicle, Fitment Notes: rectangular, 2006 - 2008 Mercury Mariner, 2006 - 2009 Milan.

Detailed Applications Vehicle, 2005 Mercury Mariner.

part #: 78nvzxb84 price

  • $23.86

specifications parthick:

  • for models: Mariner, Milan
  • for years: 2005-2009
  • brand: Standard Motor Products
  • mpn: 78nvzxb84
  • type: Accessory Power Relay
  • fits 1: 2005-2008 Mercury Mariner
  • fits 2: 2006-2009 Mercury Milan
  • fit note: Accessory Power Relay Alternate Replacement Part; 20 Amp; W.
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

seller parthick:

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  • city: Port Washington, New York
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  • Parts Accessories > Car Truck Parts Accessories > Other Car Truck Parts Accessories
  • condition: New

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offer parthick:

  • quantity: 1
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  • availability: In Stock
  • started: May 12, 2026
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for models: mariner, milan, for years: 2005-2009, type: accessory power relay, fits 1: 2005-2008 mercury mariner, fits 2: 2006-2009 mercury milan, fit note: accessory power relay alternate replacement part; 20 amp; w., attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories, sku: 16273304400573881,

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