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  3. KENT MOORE J-39737

KENT-MOORE J-39737 Tools Sun Gear Shaft Bushing Installer

J-39737 Kent-moore Tools Sun Gear Shaft Bushing Installer

( Brand: Kent-moore ), ( Manufacturer Part Number: J-39737 ), ( Part Type: Sun Gear Shaft Bushing )

Review KENT MOORE Tools Sun Gear Shaft Bushing Installer

The **Kent-Moore J-39737 Tools Sun Gear Shaft Bushing Installer** is a precision-engineered tool designed specifically for the efficient and accurate installation of bushing assemblies in automatic transmissions, particularly those found in vehicles equipped with the GM 6L80E, 6L90, or similar transmissions. This high-quality, durable tool is crafted to simplify one of the most critical steps in transmission rebuilds, ensuring that the sun gear shaft bushings are seated correctly without the risk of damage to the delicate components. The installer features a robust, ergonomic handle that provides a secure, non-slip grip, allowing for controlled application of force during installation. Its design incorporates a specialized internal mechanism that aligns perfectly with the bushing s outer diameter, ensuring a snug and uniform fit while minimizing the chance of misalignment or binding. The tool s construction includes hardened steel components to withstand repeated use and the high pressures often encountered during transmission work, making it a reliable choice for both professional mechanics and serious DIY enthusiasts. Whether working on a high-performance vehicle or a classic car, the J-39737 ensures that the bushing is installed with the precision required to maintain optimal transmission performance and longevity. Its compatibility with a variety of bushing sizes and its ease of use make it an indispensable addition to any transmission repair toolkit.

### **Pros and Cons of buying a Kent-Moore J-39737 Tools Sun Gear Shaft Bushing Installer**

#### **Pros:**

1. **Specialized Functionality** This tool is specifically designed for installing sun gear shaft bushings in automatic transmissions, making it far more efficient than using general-purpose tools or manual methods. This precision reduces the risk of damage to the transmission components.

2. **Time Efficiency** The tool streamlines the installation process, allowing mechanics to complete bushing replacements faster than with traditional methods. This can improve shop productivity, especially in high-volume repair environments.

3. **Reduced Risk of Damage** Manual installation methods (such as using hammers or press fits) can misalign or deform bushings, leading to premature wear or failure. This tool ensures proper alignment and seating, minimizing the chance of damage.

4. **Compatibility with Common Transmissions** The J-39737 is designed to work with a variety of automatic transmission models, particularly those from Ford, GM, and Chrysler, which use sun gear shaft bushings. This makes it a versatile addition to a transmission repair toolkit.

5. **Durability and Build Quality** Kent-Moore tools are generally well-regarded for their sturdy construction, ensuring longevity with proper care. The installer is likely built to withstand repeated use in demanding workshop conditions.

6. **Easier Learning Curve** Since the tool is designed for a specific task, mechanics (even those less experienced with transmission work) can use it effectively with minimal training, reducing errors during installation.

7. **Cost-Effective for Long-Term Use** While the upfront cost may seem high, the tool s efficiency and reliability can save money in the long run by preventing costly transmission repairs caused by improper bushing installation.

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#### **Cons:**

1. **Limited Use Case** This tool is **only** for installing sun gear shaft bushings. If a mechanic s workload doesn t frequently involve transmission repairs (or specifically bushing replacements), the tool may sit unused for long periods, making the investment less justified.

2. **Specialized Knowledge Required** While the tool simplifies the installation, proper use still requires an understanding of transmission disassembly, bushing alignment, and torque specifications. Mechanics without transmission experience may struggle to apply it correctly.

3. **Potential Overkill for Small Shops or DIYers** If you re a home mechanic or work in a shop that rarely handles automatic transmissions, the cost of this tool may not be worth it. There are cheaper, more general-purpose tools (or even improvised methods) that could suffice for occasional use.

4. **Replacement Parts and Maintenance** Like any specialized tool, the installer may require occasional lubrication or part replacements (e.g., worn-out components in the mechanism). Kent-Moore parts may not always be readily available, and repairs could add to long-term costs.

5. **Learning Curve for New Mechanics** Younger or less experienced technicians may need additional training to use the tool safely and effectively, which could slow down initial adoption in a shop setting.

6. **Price Point** The J-39737 is not a cheap tool. For shops on a tight budget or those that don t service many transmissions, the cost may be prohibitive compared to the frequency of use.

7. **Alternative Tools May Exist** Some mechanics prefer universal transmission press tools or hydraulic presses for bushing installation, arguing that they offer more flexibility. The Kent-Moore tool is specialized, so if a shop already owns a versatile press, this may be redundant.

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### **Conclusion**

The **Kent-Moore J-39737 Tools Sun Gear Shaft Bushing Installer** is a highly specialized, efficient, and reliable tool for mechanics who frequently work on automatic transmissions. Its ability to reduce installation time, minimize damage risk, and improve accuracy makes it a valuable asset in professional repair shops. However, its narrow application and relatively high cost mean it may not be practical for small shops, DIYers, or those with infrequent transmission work.

### **Recommendation**

- **Buy it if:**

- You are a professional mechanic specializing in automatic transmission repairs.

- Your shop frequently handles sun gear shaft bushing replacements.

- You value precision tools that improve efficiency and reduce repair-related damage.

- You already own a Kent-Moore toolkit and want to expand your transmission-specific tools.

- **Avoid it if:**

- You are a home mechanic or work in a shop that rarely services transmissions.

- Your budget is limited, and you can achieve similar results with more general-purpose tools.

- You already have a versatile transmission press that can handle bushing installations.

- You lack the experience or training to use specialized transmission tools effectively.

For most **professional transmission repair shops**, the J-39737 is a worthwhile investment due to its efficiency and reliability. For everyone else, weighing the cost against the frequency of use is essential before purchasing.

Details:

Kent-Moore Tools J-39737 Sun Gear Shaft Bushing Installer Nice used condition.

part #: j39737 price

  • $34.99

specifications wrenchtooliz:

  • brand: Kent-moore
  • mpn: J-39737
  • part type: Sun Gear Shaft Bushing

shipping wrenchtooliz:

  • transit: 4-8 Days
  • carrier: USPS
  • cost: $9.99
  • type: Fixed
  • class: Standard
  • service: USPS Ground Advantage

offer wrenchtooliz:

  • started: February 5, 2026
  • sold: 0
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • quantity: 1

returns wrenchtooliz:

  • policy: No Returns

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seller wrenchtooliz:

  • rating: 100.0%
  • city: Lynn Haven, Florida
  • # reviews: 783

general wrenchtooliz:

  • Light Equipment Tools > Hand Tools > Wrenches
  • condition: Used
part type: sun gear shaft bushing,
category: business & industrial > hand tools > wrenches, sku: 16231428486643752,
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1 offer $34.99 USD
  • Used. Offer #1 priced at $34.99 + $9.99 shipping estimate = $44.98* total. Kent-Moore Tools Sun Gear Shaft Bushing Installer Nice used condition (1).+$9.99 shipping

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