JOHNSON 376787 Sea Horse Driveshaft Rod 1/2 5.5 CD-15

( Manufacturer Part Number: 376787 ), ( Part Type: Hp Driveshaft Rod ), ( Country Of Origin: United States )

Review JOHNSON Sea Horse 1/2 5.5 Hp Driveshaft Rod fits 1958

The **Johnson 376787 Sea Horse 1/2 HP CD-15 Driveshaft Rod** from 1958 is a meticulously crafted, time-honored component designed to deliver reliable performance for classic outboard motors, particularly those from Johnson s iconic Sea Horse series. This driveshaft rod, identified by its model number 376787, serves as a critical link between the motor s transmission and the propeller, ensuring smooth power transfer while maintaining the integrity of the drive system. Crafted with precision engineering typical of mid-century marine technology, this rod is built to withstand the demands of saltwater environments, where corrosion resistance and durability are paramount. Its robust construction features a sturdy shaft, often made from high-grade steel or reinforced aluminum, designed to handle the torque and vibration inherent in outboard motor operation. The CD-15 designation suggests compatibility with Johnson s CD-series engines, which were renowned for their simplicity and efficiency, making this driveshaft rod a sought-after part for restoration projects or replacements in vintage boats. Whether used in a classic fishing vessel, a leisure cruiser, or a restored performance boat, this driveshaft rod embodies the reliability and heritage of Johnson s marine engineering legacy, offering a seamless connection that enhances both the performance and longevity of the motor. Its historical significance, combined with its functional excellence, makes it an essential component for enthusiasts aiming to preserve the authenticity and functionality of their 1950s-era watercraft.

### **Pros and Cons of buying a Johnson 376787 Sea Horse 1/2 5.5 HP (1958 CD-15 Driveshaft Rod)**

1. **Compatibility with Classic Outboards** This driveshaft rod is specifically designed for the **Johnson CD-15 5.5 HP outboard motor**, making it a direct replacement for older models. If you own or restore a 1958-era Johnson CD-15, this part ensures proper fitment without modifications.

2. **Authentic Restoration Piece** For vintage boat enthusiasts, original or reproduction parts like this help maintain the historical integrity of the vessel. It s a key component for those who prioritize authenticity over modern alternatives.

3. **Reliability for Light-Duty Use** The 5.5 HP Johnson engine was built for small, shallow-water boats, such as fishing skiffs, canoes, or dinghies. If used in the correct application, this driveshaft rod can provide dependable performance for leisurely cruising or fishing in calm waters.

4. **Ease of Installation** Since it s a direct replacement, swapping out a worn or damaged driveshaft rod should be straightforward for someone with basic mechanical skills. No major modifications to the boat s transom or motor mount are typically required.

5. **Affordability Compared to New Motors** Purchasing a used or reproduction driveshaft rod is often far cheaper than buying a complete new or rebuilt 5.5 HP outboard. This makes it a cost-effective solution for restoring or repairing an older boat.

6. **Availability of Replacement Parts** Johnson outboards from the 1950s 60s still have a niche market for parts. While not as widely available as modern brands, dedicated marine restoration shops or online sellers (eBay, specialty forums) may carry this or similar rods.

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1. **Limited Modern Availability** Finding a genuine or high-quality reproduction driveshaft rod may require searching through vintage marine parts dealers, eBay, or restoration forums. Stocking issues or counterfeit parts could be a risk.

2. **Wear and Tear on Older Systems** If the rest of the boat s propulsion system (e.g., the motor itself, propeller, or transom) is degraded, replacing just the driveshaft rod may not fully restore performance. A full inspection is recommended.

3. **Maintenance Requirements** Like all small outboards, the Johnson 5.5 HP requires regular maintenance, including fuel system cleaning, spark plug checks, and rust prevention. Neglect can lead to premature failure of the driveshaft rod or motor.

4. **Limited Power for Demanding Use** A 5.5 HP engine is **not** suited for heavy loads, rough water, or high-speed applications. Attempting to use it in these conditions will likely result in stalling, overheating, or damage to the driveshaft rod or motor.

5. **Potential for Counterfeit Parts** Buying from unverified sellers increases the risk of receiving a poorly made or incompatible driveshaft rod. Always verify the seller s reputation and inspect the part upon arrival.

6. **Replacement Costs Over Time** While initially affordable, the driveshaft rod (and other small outboard components) may need frequent replacement due to age, corrosion, or wear. This can add up over time, making long-term ownership more expensive than upgrading to a modern, low-maintenance outboard.

7. **Environmental and Safety Concerns** Older outboards often lack modern emissions controls and may not meet current boating regulations in some areas. Additionally, rust and deterioration can pose safety hazards if not properly maintained.

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### **Conclusion**

The **Johnson 376787 Sea Horse 1/2 5.5 HP driveshaft rod (1958 CD-15)** is a **niche but valuable part** for restoring or repairing vintage boats with this specific motor. It excels in **authenticity, compatibility, and cost-effectiveness** for light-duty, low-speed applications. However, it comes with **limitations in availability, maintenance demands, and suitability for modern use**.

If you re restoring a **classic boat** and prioritize historical accuracy, this part is worth considering **provided you re prepared for potential challenges in sourcing and upkeep**. For **everyday boating**, a modern 5 10 HP outboard with better reliability and fuel efficiency may be a more practical long-term investment.

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### **Recommendation**

- You own or are restoring a **1950s 60s Johnson CD-15-powered boat** and need an authentic replacement.

- You re comfortable with **basic mechanical work** and **regular maintenance**.

- You ve **verified the seller s authenticity** and inspected the part for damage.

- Your intended use is **light fishing, leisure cruising, or shallow-water paddling** not high-speed or heavy-duty tasks.

- You need a **reliable, low-maintenance solution** for frequent or demanding use.

- You can t find a **genuine or high-quality reproduction** from a trusted source.

- You re open to **modern alternatives** that offer better performance and longevity.

- The rest of your boat s propulsion system is **severely degraded**, requiring a full motor replacement.

**Final Verdict:** This driveshaft rod is a **great fit for purists and restorers**, but not ideal for those seeking a hassle-free, modern boating experience. Always weigh the **cost, effort, and long-term viability** against your specific needs before purchasing.

Details:

This item came from a 1958 Johnson Sea Horse 5 1/2HP Motor, but it will fit some other Motors also. The part number is 376787. Up for Sale is one Replacement Driveshaft Rod Assembly a Vintage 1958 Johnson Sea Horse 5 1/2HP CD-15 Boat Motor. This listing is for everything shown in the photos, and item photos.

This item is used, but in good complete condition, and no damage or breakage see photos for condition.

part #: 376787 prices

• $16.99-$40.00

specifications ouboaen:

• for makes: Johnson
• for years: 1958
• mpn: 376787
• part type: Hp Driveshaft Rod
• country of origin: United States

payments ouboaen:

• wallet: Paypal
• other
• credit card: Mastercard

offer ouboaen:

• sold: 0
• quantity: 1
• availability: In Stock
• started: May 25, 2026
• options: Ship-to-home

shipping ouboaen:

• type: Fixed
• service: Economy
• cost: $0.00
• transit: 4-8 Days
• class: Economy

general ouboaen:

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

returns ouboaen:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

seller ouboaen:

• rating: 99.9%
• city: Bath, South Dakota
• # reviews: 4910

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