TC Remanufacturing B3 Automatic Transmission Torque Converter

Automatic Transmission Torque Converter B3

TC Remanufacturing B3 is an automatic transmission torque converter built for a wide range of GM, Cadillac, Buick, Pontiac, Jeep, Jaguar, Bentley, and Rolls-Royce applications. With a 13.000-inch converter diameter, 11.500 bolt circle, 30-spline hub, and non-lock-up design, it matches the specifications needed for many classic and light-duty truck drivetrains.

Key Features

• Part number: B3
• 13.000-inch converter diameter
• 11.500 bolt circle
• Non-lock-up torque converter design
• Slotted hub type
• 3-pad mounting type
• 1.703 pilot diameter
• 30-spline count
• 1200-1400 RPM stall range
• No ring gear

Detailed Product Overview

This TC Remanufacturing B3 automatic transmission torque converter is specified for vehicles that use a 30-spline, non-lock-up setup with a 3-pad mount. The 1200-1400 RPM stall range supports smooth engagement characteristics for many street-driven and original-equipment-style applications. It is a direct-fit style replacement for numerous Chevrolet C10, K10, Camaro, Corvette, and GMC truck and van applications, along with select Cadillac, Buick, Pontiac, Jeep, Jaguar, Bentley, and Rolls-Royce models. If you are sourcing a torque converter for a classic Chevrolet Blazer or a GMC Jimmy, B3 is a relevant match to verify against your transmission and engine combination.

This part cross-references common torque converter applications used in GM and luxury classic vehicle drivetrains.

What This Part Helps Address

• Shudder, slip, or poor coupling from a worn torque converter
• Incorrect stall speed affecting launch and drivability
• Transmission engagement issues tied to converter mismatch
• Fitment problems when replacing a non-lock-up 30-spline converter
• Restoration needs for classic Chevrolet, GMC, Cadillac, Pontiac, and Jeep vehicles

Installation Notes and Tips

Confirm the transmission spline count, bolt circle, pilot diameter, hub style, and mounting pattern before installation. Verify whether the application requires a non-lock-up converter and check the vehicle-specific notes for ring gear differences where listed. For best results, compare the existing converter dimensions and stall characteristics to the B3 specifications before final assembly.

Quality Assurance

TC Remanufacturing supplies transmission hard parts for service and replacement applications, and B3 is built to match the listed dimensional and fitment requirements for the vehicles shown.