JOHNSON 328170 Evnrude Switch Nut Guard

( Manufacturer Part Number: 328170 ), ( Part Type: Switch Guard )

Review JOHNSON Evnrude Switch Nut Guard New Free Shipping

The **Johnson EVN-Rude Switch Nut Guard (Part #328170)** is a precision-engineered, high-performance accessory designed to protect and enhance the longevity of your vehicle s electrical switch components, particularly those found in marine, RV, or heavy-duty applications where harsh environments and frequent use can accelerate wear. Crafted from durable, corrosion-resistant materials, this nut guard is specifically engineered to shield the threaded nut of electrical switches from the damaging effects of saltwater, moisture, vibration, and physical stress common culprits in marine and outdoor settings. Its robust construction ensures a secure, vibration-proof fit, preventing loosening or accidental dislodging that could lead to electrical malfunctions or safety hazards. The guard features a snug, interference-fit design that aligns perfectly with standard switch nuts, providing both protection and a clean, professional appearance while maintaining ease of installation and removal. Ideal for use on ignition switches, starter switches, or any other critical electrical connections in boats, RVs, or off-road vehicles, this nut guard helps prevent short circuits, corrosion-induced failures, and the need for costly repairs by acting as a physical barrier against debris, moisture, and mechanical strain. Whether you're a boat owner looking to safeguard your marine electrical system or an RV enthusiast seeking to fortify your vehicle s wiring against the elements, the Johnson EVN-Rude Switch Nut Guard delivers a simple yet effective solution to extend the life of your switch components and ensure reliable performance in demanding conditions.

### **Pros and Cons of buying a Johnson 328170 Evinrude Switch Nut Guard**

1. **Durability and Protection** The switch nut guard is designed to shield the ignition switch from water, debris, and physical damage, which is especially useful in marine environments where exposure to saltwater, moisture, and rough handling is common.

2. **Easy Installation** This part is typically designed for straightforward installation, requiring minimal tools. Many users report that it can be fitted without professional assistance, saving time and labor costs.

3. **Prevents Corrosion** By sealing the switch area, the guard helps reduce corrosion, which is a major issue in outboard motors exposed to saltwater and humidity. This can extend the lifespan of the ignition system.

4. **Compatibility** The Johnson 328170 is specifically engineered for Evinrude outboard motors, ensuring a proper fit and function without compatibility issues.

5. **Cost-Effective Maintenance** Protecting the switch from wear and tear can prevent costly repairs down the line, making it a preventive maintenance solution rather than a reactive fix.

6. **Increased Reliability** A well-protected switch is less likely to fail unexpectedly, which is critical for safety and performance, especially when operating in remote or high-use conditions.

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1. **Limited Availability** Depending on the region or dealer, this part may not always be in stock, requiring advance ordering or potential delays.

2. **Potential for Misalignment** If not installed correctly, the guard could interfere with the switch mechanism, leading to operational issues or difficulty in turning the key.

3. **Wear Over Time** While durable, the guard itself may degrade from prolonged exposure to UV rays, saltwater, or mechanical stress, requiring eventual replacement.

4. **Additional Cost** Though often a small investment, purchasing the guard adds to the upfront maintenance expense, which may not be justified if the switch is already in good condition.

5. **Installation Challenges** Some users may find the installation process tricky, especially if they lack experience with marine electrical components. Improper installation could void warranties or cause damage.

6. **Not a Permanent Fix** The guard protects the switch but does not address underlying issues like worn wiring, faulty connections, or internal switch failure. It is a supplementary measure, not a comprehensive solution.

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The Johnson 328170 Evinrude Switch Nut Guard is a practical and cost-effective addition for boat owners who prioritize preventive maintenance and longevity of their outboard motors. Its primary benefits protection against corrosion, durability, and ease of installation outweigh the minor drawbacks, such as potential installation challenges or limited availability. For those who frequently operate their boats in harsh conditions or have experienced switch-related issues, this guard is a worthwhile investment. However, if the switch is already functioning perfectly and the budget is tight, the expense may not be justified.

- You operate your boat in saltwater or harsh environments.

- You ve noticed signs of corrosion or wear on the ignition switch.

- You want to extend the lifespan of your outboard motor with minimal effort.

- You re comfortable with basic DIY installation.

- Your switch is new and in excellent condition with no signs of damage.

- You re unable to install it correctly without professional help.

- You have a limited budget and higher-priority maintenance needs.

For most boat owners who value proactive care, the guard is a smart and low-risk upgrade. Always follow the manufacturer s installation instructions to ensure optimal performance.

Details:

Johnson Evnrude Switch Nut Guard NEW. Shipped with USPS Ground Advantage. Condition is New. Free Shipping.

part #: 328170 prices

• $5.99-$14.99

specifications ouboaen:

• for makes: Johnson
• mpn: 328170
• part type: Switch Guard

seller ouboaen:

• city: Stamford, Connecticut
• rating: 100.0%
• # reviews: 731

payments ouboaen:

• wallet: Paypal
• credit card: Mastercard
• other

general ouboaen:

• condition: New
• Boat Parts > Outboard Engines Components > Other

offer ouboaen:

• options: Ship-to-home
• availability: In Stock
• quantity: 2
• started: February 28, 2026
• sold: 0

shipping ouboaen:

• transit: 5-10 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Calculated
• cost: $0.00

returns ouboaen:

• policy: No Returns

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