ATK NORTH AMERICA TQDA57B Engines Automatic Transmission 653517650758 Torque Converter

( Brand: Atk North America ), ( Manufacturer Part Number: TQDA57B ), ( Part Type: Torque Engine Transmission Converter ), ( UPC: 653517650758 ), ( California Prop 65 Warning: This Product Can Expose You To Chemicals Including Chromium, Which Are Known To The State Of California To Cause Birth Defects Or Other Reproductive Harm. )

Review ATK NORTH AMERICA Engines Remanufactured Automatic Transmission Torque Converter Jeep

The **ATK North TQDA57B Engines Automatic Transmission Torque Converter** is a high-performance, direct-fit replacement designed specifically for Jeep applications equipped with the iconic 5.7L (345 cubic inch) HEMI V8 engine, particularly those featuring the **EPA Tier 2 Bin 5 compliant** powertrain configurations. Engineered to deliver superior torque multiplication and seamless shifting, this torque converter is meticulously crafted to restore factory-like performance while enhancing durability and efficiency in both stock and modified vehicles. Built with a **heavy-duty aluminum housing** and reinforced internal components, the TQDA57B is optimized for aggressive driving styles, towing demands, and high-RPM applications, making it an ideal choice for enthusiasts seeking to maximize power delivery without compromising reliability. Its **stator lockup system** ensures precise hydraulic control, reducing slippage and improving fuel economy under steady-state conditions, while the **optimized pump housing** enhances fluid circulation for consistent cooling and longevity. Whether installed in a classic Wrangler, Grand Cherokee, or Commander, this torque converter seamlessly integrates with the **545RFE, 545RE, or 545RW** automatic transmissions, providing a robust alternative to OEM units prone to wear or failure under heavy loads. Backed by ATK North s reputation for precision engineering and performance-focused solutions, the TQDA57B is a trusted upgrade for Jeep owners aiming to elevate their vehicle s drivetrain performance while maintaining ease of installation and compatibility.

**Pros and Cons of buying a Aisin ATK North TQDA57B Torque Converter for a Jeep Automatic Transmission**

The **Aisin ATK North TQDA57B** is a high-performance torque converter designed for applications requiring enhanced torque multiplication, improved shift quality, and durability. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **Enhanced Torque Multiplication**

The TQDA57B is engineered to provide stronger torque multiplication compared to stock converters, making it ideal for modified Jeeps with increased horsepower and torque. This helps prevent stalling under heavy load, especially in high-performance or towing applications.

2. **Improved Shift Quality**

This torque converter is designed to work with modern automatic transmissions (such as the 6-speed 64RLE or 8-speed 84R) to deliver smoother shifts and better responsiveness. The stamped-stator design reduces hunting (stator wobble) and improves overall transmission performance.

3. **Durability and Strength**

The TQDA57B is built with high-quality materials, including a reinforced housing and stamped-stator construction, which enhances longevity under demanding conditions. It is less prone to warping or failure compared to stock converters, especially in high-performance or daily-driven applications.

4. **Compatibility with Performance Mods**

Many Jeep owners modify their vehicles with superchargers, turbochargers, or engine upgrades (e.g., 6.4L Hemi, 6.7L Power Stroke, or aftermarket turbocharged engines). The TQDA57B is a popular choice for these setups because it can handle the increased power without slipping or failing.

5. **Better Stall Speed**

The stall speed of this converter is higher than stock, meaning it can handle more torque before slipping. This is beneficial for towing, launching from a stop, or maintaining traction in aggressive driving scenarios.

6. **Widely Available and Supported**

The Aisin ATK North brand is well-regarded in the performance aftermarket, and the TQDA57B is a common upgrade. There is a large community of users, making parts, installation guides, and troubleshooting resources readily available.

7. **Reduced Transmission Stress**

By providing better torque multiplication and smoother shifts, the TQDA57B can reduce wear on the transmission itself, potentially extending its lifespan, especially when paired with a clutch kit or upgraded transmission fluid.

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### **Cons**

1. **Higher Cost**

The TQDA57B is more expensive than an OEM torque converter, often costing **$300 $600** depending on the source and whether it includes a clutch kit. This can be a significant investment, especially for budget-conscious buyers.

2. **Requires Professional Installation**

While not overly complex, installing a torque converter typically requires removing the transmission, which is a labor-intensive job. Unless you have experience with transmission work, professional installation is recommended, adding to the overall cost.

3. **Potential for Overkill in Stock Applications**

If your Jeep is not heavily modified (e.g., stock engine, no supercharger, minimal power), the benefits of the TQDA57B may not be noticeable. In such cases, a stock or slightly upgraded converter might suffice, saving money without sacrificing performance.

4. **May Require Additional Modifications**

- Upgrading the transmission cooler or fluid capacity.

- Installing a clutch kit (if the stock clutch is not sufficient for the increased torque).

- Adjusting the transmission control module (TCM) or tuning the ECU for optimal performance.

These extra steps can add to the time and cost of the upgrade.

5. **Risk of Improper Pairing**

Not all torque converters are compatible with every transmission or engine setup. Pairing the TQDA57B with an incompatible transmission (e.g., a 4-speed or older 5-speed) or an engine that produces too much power without supporting mods (e.g., no clutch kit) can lead to premature failure or poor performance.

6. **Potential for Voiding Warranty**

If your Jeep is under warranty, installing an aftermarket torque converter may void the transmission warranty. Always check with the manufacturer before proceeding.

7. **Learning Curve for Tuning**

Some users report that the TQDA57B requires tuning (via a tuner or ECU flash) to optimize performance, especially if the stock transmission control settings are not ideal for the upgraded converter. This may require additional expertise or cost.

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### **Conclusion**

The **Aisin ATK North TQDA57B torque converter** is a strong upgrade for Jeeps with modified engines, high horsepower, or towing requirements. Its primary strengths lie in **torque multiplication, shift quality, and durability**, making it a popular choice for performance builds. However, it is not a necessary upgrade for stock or lightly modified vehicles, where the cost may not be justified.

For **stock or near-stock Jeeps**, a stock torque converter or a slightly upgraded option (such as a **TorqueMaster or Aisin TQDA57A**) may be sufficient. For **high-performance or towing applications**, the TQDA57B is an excellent choice, provided it is installed correctly and paired with supporting mods (e.g., clutch kit, transmission cooler, and tuning).

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### **Recommendation**

- Your Jeep has **significant modifications** (e.g., supercharger, turbo, engine swap, or high horsepower).

- You frequently **tow heavy loads** or drive aggressively.

- You are experiencing **poor shift quality, stalling, or transmission stress** with your current setup.

- You are willing to invest in **professional installation and supporting mods** (clutch kit, transmission cooler, etc.).

- Your Jeep is **stock or lightly modified** with minimal power output.

- You are on a **tight budget** and the benefits do not justify the cost.

- You are not comfortable with **transmission work or tuning**.

- Your vehicle is **under warranty**, and you risk voiding coverage.

For most **high-performance Jeep builds**, the TQDA57B is a worthwhile investment that enhances reliability and drivability. However, always research your specific application and consult with experienced builders before purchasing.

Details:

American Express.

part #: tqda57b price

• $188.99

specifications torquconv:

• for makes: Jeep
• brand: Atk North America
• mpn: Tqda57b
• part type: Torque Engine Transmission Converter
• upc: 653517650758
• california prop 65 warning: This Product Can Expose You To Chemicals Including Chromium, Which Are Known To The State Of California To Cause Birth Defects Or Other Reproductive Harm.

general torquconv:

• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters
• condition: Remanufactured

returns torquconv:

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

shipping torquconv:

• service: Standard
• cost: $15.99
• type: Fixed
• transit: 3-7 Days
• class: Standard

offer torquconv:

• options: Ship-to-home
• quantity: 1
• started: May 11, 2026
• sold: 0
• availability: In Stock

seller torquconv:

• rating: 99.4%
• # reviews: 629402
• city: , Ohio

payments torquconv:

• other
• wallet: Paypal
• credit card: Diners-club

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