TC Remanufacturing DA48SS Automatic Transmission Torque Converter

Overview of TC Remanufacturing DA48SS Torque Converter

The TC Remanufacturing DA48SS automatic transmission torque converter is engineered for select Nissan and INFINITI vehicles, including the Frontier, G35, I35, Pathfinder, QX4, and Xterra models. Designed with a lock-up converter type and medium stall speed, this torque converter supports smooth power transfer and efficient transmission performance.

• Bolt Circle Diameter: 9.125 inches
• Converter Diameter: 10.800 inches
• Lock-up Converter Type for improved efficiency
• Hub Type: Flats with 20 spline count
• Mounting Thread Size: 10mm x 1.25
• Mounting Type: 4 pads
• Pilot Diameter: 0.785 inches, Pilot Length: 0.730 inches
• Compatible with converter codes 49, a, a49, a52, a53, a59
• Does not include ring gear

Technical Details and Specifications

The DA48SS torque converter features a 10.8-inch diameter and a 9.125-inch bolt circle, ensuring precise fitment for compatible Nissan and INFINITI automatic transmissions. Its lock-up design helps reduce slippage and improve fuel efficiency by mechanically connecting the engine to the transmission under certain conditions. The hub uses a flats design with 20 splines, providing secure engagement with the transmission input shaft. Mounting is facilitated by four pads and a 10mm x 1.25 thread size, allowing for straightforward installation. The pilot diameter and length are optimized for proper alignment within the transmission housing.

Compatible Vehicles and Applications

This torque converter is compatible with a range of Nissan and INFINITI models, specifically:

• Nissan Frontier
• Nissan Pathfinder
• Nissan Xterra
• INFINITI G35
• INFINITI I35
• INFINITI QX4

It is designed to replace torque converters with converter codes 49, a, a49, a52, a53, and a59, making it suitable for medium stall applications in these vehicles.

Common Issues Addressed by DA48SS Torque Converter

• Transmission slipping or delayed engagement
• Overheating due to inefficient torque transfer
• Shudder or vibration during lock-up phase
• Poor fuel economy related to torque converter performance
• Noise or rough operation from worn internal components

Installation Notes and Tips

When installing the TC Remanufacturing DA48SS torque converter, ensure the following:

• Verify compatibility with your vehicle’s make, model, and transmission code
• Inspect the transmission input shaft and pump for wear or damage
• Use proper torque specifications for mounting bolts (10mm x 1.25 thread size)
• Check pilot diameter and length alignment to avoid misfit
• Fill the torque converter with the recommended transmission fluid before installation

Quality Assurance and Warranty

TC Remanufacturing provides remanufactured torque converters built to meet OEM specifications. Each unit undergoes rigorous testing to ensure reliable performance and durability. The DA48SS torque converter comes with a limited warranty covering defects in materials and workmanship, providing confidence in its quality and fitment for Nissan and INFINITI vehicles.