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TC Remanufacturing TO61 Automatic Transmission Torque Converter
Overview of TC Remanufacturing TO61 Torque Converter
The TC Remanufacturing TO61 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 operation in models such as the Lexus LS430 and Toyota Land Cruiser.
- Compatible with Lexus and Toyota models including 4Runner, GS430, Land Cruiser, LS430, LX450, LX470, Sequoia, and Tundra
- Lock-up converter type for improved fuel efficiency and reduced slippage
- Converter diameter of 11.850 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
- Low stall speed for responsive transmission engagement
- Compatible with converter codes 50a040, 50a070, 010, 5007, 5a1, 8f04u, 5a070, 5a100
Technical Details and Specifications
The TO61 torque converter features a lock-up design that enhances transmission efficiency by reducing slippage during highway driving. Its 11.850-inch diameter and 9.437-inch bolt circle ensure compatibility with specific automatic transmissions used in Lexus and Toyota vehicles. The slotted hub type with 20 splines provides a secure connection to the transmission input shaft, while the 8mmx1.25 mounting thread size and 6-pad mounting type facilitate proper installation. The pilot diameter measures 1.257 inches with a pilot length of 1.450 inches, ensuring precise alignment. This torque converter does not include a ring gear and is designed with a low stall speed to improve throttle response and drivability.
Compatible Vehicles and Applications
This torque converter is compatible with a range of Lexus and Toyota models, including:
- Lexus 4Runner, GS430, LS430, LX450, LX470
- Toyota Land Cruiser, Sequoia, Tundra
It is suitable for automatic transmissions requiring the specified converter codes and dimensions, making it a direct replacement for worn or damaged torque converters in these vehicles.
Common Issues Addressed by the TO61 Torque Converter
- Transmission slipping or delayed engagement
- Overheating due to inefficient torque transfer
- Reduced fuel efficiency from converter slippage
- Shudder or vibration during lock-up phase
- Noise or rough operation from worn internal components
Installation Notes and Tips
Ensure the torque converter is properly seated and aligned with the transmission input shaft to avoid damage. Verify that the mounting thread size and bolt circle match the vehicle’s transmission specifications. It is recommended to inspect the transmission fluid and replace it if contaminated during installation. Use appropriate torque settings for the 6-pad mounting to secure the converter firmly. Professional installation is advised to maintain transmission integrity and performance.
Quality Assurance and Warranty
TC Remanufacturing provides this TO61 torque converter with a focus on durability and precise fitment. Each unit undergoes rigorous testing to meet OEM standards. Warranty coverage details should be confirmed with the distributor or manufacturer, ensuring confidence in product reliability for Lexus and Toyota automatic transmission applications.
| Brand | TC Remanufacturing |
| Part Number | TO61 |
| Bolt Circle | 9.437 |
| Converter Codes | 50A040, 50A070, 010, 5007, 5A1, 8F04U, 5A070, 5A100 |
| Converter Diameter | 11.850 |
| Converter Type | Lock Up |
| Hub Type | Slotted |
| Mounting Thread Size | 8mmX1.25 |
| Mounting Type | 6 Pads |
| Pilot Diameter | 1.257 |
| Pilot Length | 1.450 |
| Ring Gear | No |
| Spline Count | 20 |
| Stall | Low |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Lexus | GS430 | 4.3L | V8 | N/A | |
| 2004 | Lexus | GS430 | 4.3L | V8 | N/A | |
| 2004 | Toyota | 4Runner | 4.7L | V8 | N/A | |
| 2004 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2004 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2004 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2004 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2003 | Lexus | GS430 | 4.3L | V8 | N/A | |
| 2003 | Lexus | LS430 | 4.3L | V8 | N/A | |
| 2003 | Toyota | 4Runner | 4.7L | V8 | N/A | |
| 2003 | Toyota | 4Runner | 4.0L | V6 | N/A | |
| 2003 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2003 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2003 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2002 | Lexus | GS430 | 4.3L | V8 | N/A | |
| 2002 | Lexus | LS430 | 4.3L | V8 | N/A | |
| 2002 | Lexus | LX470 | 4.7L | V8 | N/A | |
| 2002 | Toyota | Land Cruiser | 4.7L | V8 | N/A | |
| 2002 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2002 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2002 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2001 | Lexus | GS430 | 4.3L | V8 | N/A | |
| 2001 | Lexus | LS430 | 4.3L | V8 | N/A | |
| 2001 | Lexus | LX470 | 4.7L | V8 | N/A | |
| 2001 | Toyota | Land Cruiser | 4.7L | V8 | N/A | |
| 2001 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2001 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2001 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2000 | Lexus | LX470 | 4.7L | V8 | N/A | |
| 2000 | Toyota | Land Cruiser | 4.7L | V8 | N/A | |
| 2000 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2000 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 1999 | Lexus | LX470 | 4.7L | V8 | N/A | |
| 1999 | Toyota | Land Cruiser | 4.7L | V8 | N/A | |
| 1998 | Lexus | LX470 | 4.7L | V8 | N/A | |
| 1998 | Toyota | Land Cruiser | 4.7L | V8 | N/A | |
| 1997 | Lexus | LX450 | 4.5L | L6 | N/A | |
| 1997 | Toyota | Land Cruiser | 4.5L | L6 | N/A | |
| 1996 | Lexus | LX450 | 4.5L | L6 | N/A | |
| 1996 | Toyota | Land Cruiser | 4.5L | L6 | N/A | |
| 1995 | Toyota | Land Cruiser | 4.5L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.