TC Remanufacturing TO51 Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for Toyota

The TC Remanufacturing TO51 is an automatic transmission torque converter built for select Toyota Camry and Toyota Sienna applications. It features a lock-up design, low stall characteristics, and OE-style mounting dimensions for a direct-fit replacement in the listed vehicles.

Key Features

• Part number: TO51
• Automatic transmission torque converter
• Lock-up converter type
• Low stall calibration
• 11.125-inch converter diameter
• 9.500-inch bolt circle
• 6-pad mounting type
• 8mm x 1.25 mounting thread size
• 26-spline count
• Slotted hub type
• 1.257-inch pilot diameter
• No ring gear

Detailed Description

TC Remanufacturing TO51 is specified for 1992-1999 Toyota Camry, 2002-2003 Toyota Camry, and 2000-2003 Toyota Sienna applications. This Toyota Camry torque converter and Toyota Sienna torque converter uses a lock-up configuration to help maintain efficient power transfer during highway cruising, while the low stall setup supports smooth engagement characteristics in the listed transmissions. The TO51 part number is a direct reference for buyers matching transmission hard parts by converter diameter, spline count, hub style, and mounting pattern.

This part cross-references no listed alternate part numbers in the provided data.

Common Replacement Reasons

• Transmission shudder or vibration during lock-up operation
• Delayed or inconsistent engagement from the torque converter
• Excessive slip under load in the automatic transmission
• Noise or drivability concerns tied to converter wear
• Need for a replacement converter matched to Toyota Camry or Toyota Sienna fitment

Installation Notes and Tips

Verify converter diameter, bolt circle, spline count, pilot diameter, hub style, and mounting thread size before installation. Confirm transmission compatibility against the vehicle application and compare the original converter’s mounting pattern and code references, including the L inside of circle converter code. Flush the transmission cooler and lines before installing the replacement converter to help prevent contamination from entering the rebuilt unit.

Quality Assurance

TC Remanufacturing supplies transmission hard parts for repair and replacement applications. This TO51 torque converter is built to match the listed Toyota fitment and dimensional specifications for accurate service selection.