TC Remanufacturing TO91 Automatic Transmission Torque Converter

Overview of TC Remanufacturing TO91 Torque Converter

The TC Remanufacturing TO91 automatic transmission torque converter is designed specifically for Toyota Sequoia, Tacoma, and Tundra models. Engineered to provide reliable lock-up performance, this torque converter supports smooth power transfer and efficient transmission operation.

• Compatible with Toyota Sequoia, Tacoma, and Tundra
• Lock-up converter type for improved fuel efficiency
• Converter diameter: 11.850 inches
• Bolt circle diameter: 10.600 inches
• Slotted hub type with 20 spline count
• Mounting thread size and type: 9mm x 1.25, 6 pads
• Low stall speed for responsive engagement
• Pilot diameter: 1.257 inches
• Part number TO91 for precise identification

Technical Details and Specifications

The TO91 torque converter features a lock-up design that enhances transmission efficiency by reducing slippage during highway driving. Its 11.850-inch diameter and 10.600-inch bolt circle ensure proper fitment within the transmission assembly. The slotted hub type with 20 splines provides secure engagement with the transmission input shaft. Mounting is facilitated by six pads with 9mm x 1.25 thread size, ensuring a stable and precise installation. The pilot diameter of 1.257 inches aligns with the torque converter housing for proper alignment. This unit does not include a ring gear and is designed with a low stall speed to improve throttle response and drivability in Toyota trucks and SUVs.

Applications and Common Issues Addressed

• Replacement for worn or damaged torque converters in Toyota Sequoia, Tacoma, and Tundra
• Resolves slipping or shuddering during acceleration
• Addresses poor fuel economy related to torque converter inefficiency
• Eliminates overheating caused by torque converter malfunction
• Improves lock-up clutch engagement for smoother highway cruising

Installation Notes and Tips

When installing the TO91 torque converter, ensure the converter is fully seated on the transmission input shaft to avoid damage. Verify that the 6-pad mounting with 9mm x 1.25 threads is properly torqued to manufacturer specifications. Check the pilot diameter alignment to prevent misalignment issues. It is recommended to inspect the transmission fluid and replace it if contaminated during installation. Proper installation will help maintain transmission performance and longevity.

Quality Assurance and Warranty

TC Remanufacturing torque converters undergo rigorous testing to meet OEM standards for durability and performance. The TO91 part number is backed by a limited warranty covering defects in materials and workmanship. This ensures reliable operation when installed in compatible Toyota Sequoia, Tacoma, and Tundra vehicles.