TC Remanufacturing TO83 Automatic Transmission Torque Converter

Overview of TC Remanufacturing TO83 Torque Converter

The TC Remanufacturing TO83 automatic transmission torque converter is engineered for reliable performance in select Lexus and Toyota vehicles. Designed with precise specifications, this lock-up converter supports smooth power transfer and efficient transmission operation.

• Compatible with Lexus 4Runner, GS430, GX470, LS430, RX300, SC430 and Toyota Land Cruiser models
• Lock-up converter type for improved fuel efficiency and reduced slippage
• Converter diameter of 11.800 inches and bolt circle of 9.437 inches
• Slotted hub type with 20 spline count for secure fitment
• Mounting thread size 8mmx1.25 with 6-pad mounting type
• Pilot diameter of 1.257 inches and pilot length of 1.400 inches
• Low stall speed designed for smooth engagement and drivability

Detailed Product Description

The TO83 torque converter from TC Remanufacturing is a lock-up type converter specifically designed to meet the transmission requirements of various Lexus and Toyota models, including the 4Runner, GS430, GX470, Land Cruiser, LS430, RX300, and SC430. Its 11.800-inch diameter and 9.437-inch bolt circle ensure compatibility with the corresponding transmission housings. The slotted hub with 20 splines provides a secure connection to the transmission input shaft, while the 8mmx1.25 mounting threads and 6-pad mounting type facilitate proper installation and alignment. The low stall speed characteristic of this converter supports smooth power delivery and helps reduce heat buildup during operation. Additionally, the pilot diameter and length (1.257 inches and 1.400 inches respectively) are designed to fit precisely within the transmission assembly, ensuring optimal performance.

Common Applications and Problem Resolution

• Replacement for worn or damaged torque converters in Lexus GS430 and RX300 transmissions
• Addressing transmission slippage or overheating issues in Toyota Land Cruiser and 4Runner models
• Improving lock-up clutch engagement for better fuel economy in Lexus LS430 and SC430 vehicles
• Resolving vibration or shuddering during acceleration in GX470 transmissions
• Restoring proper torque transfer and drivability in affected automatic transmissions

Installation Notes and Tips

Ensure the torque converter is properly seated on the transmission input shaft by aligning the 20 splines with the slotted hub. Verify that the 6-pad mounting surface is clean and free of debris before installation. Use the specified 8mmx1.25 mounting threads to secure the converter to the flexplate, tightening bolts to manufacturer torque specifications. Confirm the pilot diameter and length fit correctly within the transmission housing to avoid misalignment. It is recommended to inspect the transmission fluid and replace it if contaminated during the installation process.

Quality Assurance and Warranty

TC Remanufacturing maintains strict quality control standards for the TO83 torque converter to ensure durability and reliable performance. Each unit undergoes thorough inspection and testing to meet OEM specifications. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary based on application and region.