1. Boat Outboard Engines To Buy
  2. sku: 24312315721579603
  3. MERCURY 815605

MERCURY 815605 Rod Link 72043 40HP

fits model: Mariner. make: Mercury.

815605 Mercury Rod 72043 Link Mariner 40hp

( Manufacturer Part Number: 815605 ), ( Part Type: Rod )

Review MERCURY Rod Link 40hp fits MARINER

The **Mercury 815605 Rod (Part #72043) for the 40HP Outboard Motor** is a meticulously engineered, high-performance drive shaft designed to deliver unmatched reliability and efficiency for marine applications. Crafted from premium-grade materials, this rod is built to withstand the rigorous demands of powerboating, whether you're cruising across open waters, towing a wakeboarder, or navigating through rough conditions. The **72043 link** is a critical component of Mercury s **40HP E-TEC or Verado outboard systems**, ensuring seamless power transmission from the engine to the propeller while minimizing vibration and wear. Engineered with precision, the rod features a **helical cut gear design**, which reduces noise and enhances durability by distributing stress more evenly across the teeth. Its **high-strength steel construction** is heat-treated to optimize strength-to-weight ratios, allowing for smoother operation and extended longevity, even under heavy loads. The **sleek, aerodynamic shape** of the rod minimizes drag and water resistance, contributing to improved fuel efficiency and overall performance. Whether you're a weekend angler or a serious boater, this rod is a testament to Mercury s commitment to innovation and performance, ensuring your 40HP outboard runs with the power and precision you expect from a leader in marine propulsion. Proper installation and maintenance will further extend its service life, making it a smart investment for any boat owner seeking dependable power on the water.

**Pros and Cons of buying a Mercury 815605 Rod (72043 Link for a 40HP Outboard Motor)**

### **Pros**

1. **Compatibility and Fit** The 72043 link is specifically designed for Mercury outboards, ensuring a secure and proper connection between the rod and the motor. This reduces the risk of misalignment or mechanical failure, which can be common with aftermarket or mismatched parts.

2. **Durability and Build Quality** Mercury marine components are generally well-engineered for reliability, especially in their mid-range outboard motors like the 40HP. The rod and link are made to withstand the stresses of regular use, including vibration, impact, and corrosion from saltwater.

3. **Performance Optimization** The rod and link assembly is part of the steering mechanism, which directly affects maneuverability. A properly fitted rod ensures smoother handling, better control, and reduced wear on the motor s internal components over time.

4. **Ease of Installation** Since this is an OEM (Original Equipment Manufacturer) part, it is designed to be installed without extensive modifications. Most users can replace it with basic tools, though some may require mechanical experience.

5. **Warranty Coverage** If purchased new or from an authorized dealer, this part may still be under warranty, providing peace of mind against defects. Mercury s warranties often cover outboard components for a set period, depending on usage.

6. **Availability of Parts** Mercury is a major manufacturer, so replacement parts are widely available through dealers, online retailers, and marine supply stores. This makes maintenance and repairs easier in the long run.

7. **Compatibility with Other Mercury Models** While this specific link is for the 40HP, many Mercury outboards share similar steering components. The rod itself may be interchangeable with other models in the same series, offering flexibility if you upgrade later.

8. **Reduced Risk of Leaks or Damage** A properly fitted rod and link help maintain the integrity of the steering cable system, reducing the likelihood of leaks or internal damage that could lead to costly repairs.

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### **Cons**

1. **Cost** As an OEM part, the Mercury rod and link may be more expensive than generic or aftermarket alternatives. While quality is a factor, budget-conscious buyers might explore third-party options (though with caution, as compatibility cannot be guaranteed).

2. **Potential for Wear Over Time** Like all mechanical parts, the rod and link can wear out, especially in older motors or those exposed to harsh conditions (e.g., frequent saltwater use without proper maintenance). Replacement may be necessary after several years or thousands of hours of use.

3. **Limited Customization** Since this is a stock part, there are no performance-enhancing modifications available. If you re looking for lighter materials or upgraded components for better handling, you d need to seek aftermarket solutions.

4. **Installation Challenges for DIYers** While straightforward, replacing the rod and link may require removing the steering cable or adjusting the tilt/trim mechanism. Those unfamiliar with outboard maintenance might find the process tricky, potentially leading to mistakes or damage if not done carefully.

5. **Depreciation** Like all boat parts, the value of this rod and link depreciates over time. If you plan to sell the boat later, the cost of replacement parts may not be fully recouped.

6. **Potential for Counterfeit Parts** Purchasing from unapproved sellers (e.g., unscrupulous online marketplaces) could result in counterfeit or low-quality replicas. Always buy from authorized dealers or reputable retailers to ensure authenticity.

7. **Weight Considerations** The rod and link are functional but not lightweight. If you re frequently moving the motor (e.g., for storage or transport), the added weight might make handling slightly more cumbersome.

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### **Conclusion**

The Mercury 815605 rod with the 72043 link is a **reliable, high-quality OEM part** that offers several advantages for a 40HP Mercury outboard, particularly in terms of compatibility, durability, and performance. It is an excellent choice if you prioritize **long-term reliability, ease of installation, and warranty coverage**. The minor drawbacks such as cost and potential wear are outweighed by the benefits for most boat owners who value **proven performance and peace of mind**.

For those on a tight budget, third-party options *might* be considered, but they come with risks of poor fit or compatibility. If you re unsure about installation, consulting a marine mechanic is advisable to avoid costly mistakes.

### **Recommendation**

**Buy the Mercury 815605 rod and 72043 link if:**

- You need a **direct replacement** for your 40HP outboard.

- You want **confidence in fit, durability, and warranty support**.

- You re willing to pay a premium for **brand reliability**.

**Avoid or research alternatives if:**

- You re looking for **cheaper options** and can verify third-party compatibility.

- You re uncomfortable with **DIY installation** and lack mechanical experience.

- You plan to **modify the steering system** and need more customizable parts.

**Final Verdict:** This is a **strong, practical choice** for most Mercury 40HP owners, especially those who prioritize quality and ease of use. For the average boater, the benefits far outweigh the cons.

Details:

Etc differ from each other, but mechanically they will work.I send the best looking first. Free Priority 2-3day. SHIPPING: All shipping 48 state domestic is free. If I have more then one quantity available on the ad,the parts will cosmetically color,water stain,dirt,scratches,dings.

Free FedEx ground up to 7day. Cant Guarantee if piston rings seals or gaskets are in working condition, Unless its noted otherwise the pictures. All parts on the ad, are mechanically in good working condition unless its described, clearly seen or noted pictures. All parts are dirty and need to be cleaned.

Taken apart Motor Make model serial Year HP: Mercury 40hp 20 shaft standard outboard motor oc2951. Then let me know what your looking for.

part #: 815605 price

  • $49.00

specifications ouboaen:

  • for models: Mariner
  • for makes: Mercury
  • mpn: 815605
  • part type: Rod

shipping ouboaen:

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

seller ouboaen:

  • rating: 100.0%
  • # reviews: 14459
  • city: Spokane, Washington

payments ouboaen:

  • credit card: Mastercard
  • wallet: Paypal
  • other

general ouboaen:

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

returns ouboaen:

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

offer ouboaen:

  • best offers: True
  • started: May 31, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 1
for models: mariner, for makes: mercury, part type: rod,
category: boat parts > outboard engines components, sku: 24312315721579603,
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  • Used. Offer #1 priced at $49.00 + $0.00 shipping estimate = $49.00* total. FREE SHIPPING

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