fits make: Mercury. year: 1986.

( Brand: Quicksilver ), ( Manufacturer Part Number: 11-13439 ), ( Part Type: Hp Driveshaft Housing ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: B3 Mro-n Buk 36 Bin 7 )
The **Quicksilver 11-13439 1986 Mercury HP Drive Shaft Housing Nut** is a precision-engineered, high-performance automotive component meticulously designed to ensure seamless integration and optimal functionality within the drivetrain system of a 1986 Mercury vehicle equipped with a high-performance (HP) drive shaft assembly. Crafted from durable, high-grade steel, this nut is built to withstand the rigorous demands of high torque loads, vibration, and constant mechanical stress, making it an indispensable part of maintaining structural integrity and performance in the vehicle s drivetrain. The design features a **hexagonal head** with a **fine-pitch thread pattern**, engineered to provide a secure, vibration-resistant fit when properly tightened to the manufacturer s specified torque specification typically around **100-120 ft-lbs** to prevent loosening over time. This nut is specifically tailored to accommodate the unique **drive shaft housing interface** found on the 1986 Mercury models, ensuring a snug, interference-free connection that minimizes wear and prevents premature failure. Its **clean, uncoated finish** allows for easy identification and installation, while its robust construction resists corrosion, making it ideal for both stock applications and aftermarket modifications where reliability is paramount. Whether used in original equipment applications or as a replacement for a worn or damaged component, this nut plays a critical role in preserving the drivetrain s alignment, reducing noise, and preventing costly damage to the drive shaft, universal joints, or surrounding components. For optimal results, it is recommended to use a torque wrench and follow the vehicle s service manual guidelines to ensure proper installation and longevity.
### **Pros and Cons of buying a Quicksilver 11-13439 (1986 Mercury HP Drive Shaft Housing Nut Essential Design)**
#### **Pros:**1. **Compatibility** This part is specifically designed for the 1986 Mercury HP (Horsepower) series, ensuring a proper fit without modifications. It is likely an OEM replacement or a high-quality aftermarket alternative, reducing the risk of misalignment or damage to the drivetrain.
2. **Durability** If sourced from a reputable brand like Quicksilver, the nut is likely made from high-strength steel or a similar material, providing long-term reliability. The "Essential Design" label suggests it follows industry standards for strength and longevity.
3. **Ease of Installation** Being a direct replacement, it should fit standard tools (e.g., socket wrench) without requiring specialized equipment. This makes it accessible for DIY mechanics or those without professional shop access.
4. **Cost-Effective** Compared to OEM parts, aftermarket options like this one are often more affordable while maintaining quality. This can be a budget-friendly solution for repairs without sacrificing performance.
5. **Prevents Drivetrain Issues** A faulty or missing drive shaft housing nut can lead to misalignment, excessive vibration, or even drivetrain failure. Replacing it proactively can prevent costly repairs down the line.
6. **Widely Available** Quicksilver is a well-known brand in the automotive aftermarket, meaning this part is likely stocked at auto parts stores, online retailers, or specialty shops, reducing lead time for purchase.
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#### **Cons:**1. **Potential Counterfeit Risk** Some aftermarket parts, especially those sold online without verification, may be counterfeit or low-quality replicas. Always purchase from trusted sellers (e.g., RockAuto, local auto shops, or verified eBay sellers) to avoid receiving a substandard or incorrect part.
2. **Mismatched Threading or Fit** While designed for the 1986 Mercury HP, slight variations in manufacturing or wear on the mating surfaces could cause fit issues. Inspect the part upon receipt to ensure it aligns correctly with the drive shaft housing.
3. **Limited Warranty** Unlike OEM parts, aftermarket components often come with shorter or no warranties. If the nut fails prematurely, you may be responsible for replacement costs.
4. **Tooling Requirements** Some drive shaft nuts require specialized tools (e.g., a torque wrench for proper tightening) or breakaway nuts that may need to be removed carefully to avoid stripping. Ensure you have the right tools before purchasing.
5. **Age of the Vehicle** The 1986 Mercury HP is an older model, and some aftermarket parts may not account for rust, wear, or modifications made over the years. Inspect the surrounding components (e.g., housing, bolts) for corrosion or damage that could affect the nut s performance.
6. **Installation Challenges** If the nut is seized or the threads are damaged, removal or installation could be difficult, requiring penetrating oil, heat, or professional assistance adding to labor costs.
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### **Conclusion:**The **Quicksilver 11-13439 drive shaft housing nut** is a practical and cost-effective solution for repairing or maintaining the drivetrain of a 1986 Mercury HP. Its compatibility, durability, and ease of installation make it a strong candidate for DIYers or those seeking a reliable aftermarket replacement. However, the risk of counterfeit parts, potential fit issues, and lack of warranty are factors to consider. To mitigate these concerns, **purchase from a reputable seller, verify the part s authenticity, and ensure proper installation techniques** are followed.
### **Recommendation:**- **Buy from a trusted source** (e.g., RockAuto, local auto parts stores, or verified online retailers) to avoid counterfeit parts.
- **Inspect the part upon arrival** to confirm it matches the correct specifications and fits the drive shaft housing.
- **Use proper tools** (e.g., torque wrench, penetrating oil if needed) to install the nut correctly and prevent stripping.
- **Consider OEM or high-end aftermarket alternatives** (e.g., Mopar, ACDelco) if budget allows, as they may offer longer warranties or superior quality.
- **If unsure about installation**, consult a mechanic to avoid damaging the drivetrain.
**Final Verdict:** The Quicksilver part is a **good choice for most users** seeking a balance of affordability and reliability, provided due diligence is taken in sourcing and installation. For critical applications or high-mileage vehicles, prioritize quality over cost.
Residential delivery with lift gate is available. Please verify the part number and compatible model's before purchasing. This Quicksilver drive shaft housing nut is an essential component designed to securely fasten the in compatible Mercury and Mariner outboard engines. Item must be in original, uninstalled condition with no modifications.
Spotlight: A Day Inside . We started with a single motorcycle dismantled in home garage. FREE shipping on every order to the lower 48 states.: Are these genuine OEM parts?, Yes.
It ensures the proper assembly and function of lower unit, contributing to reliable engine performance.98%. Do you combine shipping?, Yes. Every part is one-of-a-kind. Look for the Make Offer button on listing page.
We review all reasonable offers promptly. One-Of-A-Kind When Its Gone, Gone 1986 Mercury 6 HP Quicksilver drive shaft housing nut essential component design 11-13439:: New Old Stock: Packaging May Vary, Listing is for a Quantity of 1 Unless Specified in the Title Fits: Fits 1986 2006 Mercury/Mariner 6-25 Outboards. 4.8 out of 5 stars across 322 reviews.
Do you accept offers?, Some listings offers.