TC Remanufacturing B24HZ2 Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for GM Applications

TC Remanufacturing B24HZ2 is a lock-up automatic transmission torque converter built for specific GM rear-wheel-drive and front-wheel-drive applications. It features a 10.200-inch converter diameter, 9.750-inch bolt circle, 27-spline hub, and a 2375 RPM stall rating for the listed Chevrolet, GMC, and Pontiac vehicles.

Key Features

• Part number: B24HZ2
• Lock-up torque converter design
• 10.200-inch converter diameter
• 9.750-inch bolt circle
• 27-spline hub type with slotted hub design
• 3-pad mounting type
• 0.825-inch pilot diameter
• No ring gear
• 2375 RPM stall speed
• Converter codes: HA, HB, HK, HZ, HZAD

Detailed Description

TC Remanufacturing B24HZ2 is an automatic transmission torque converter for GM vehicles that require the listed lock-up configuration and converter code match. It is specified for applications including Chevrolet S10, GMC Sonoma, Chevrolet Astro, GMC Safari, Chevrolet S10 Blazer, GMC S15 Jimmy, Chevrolet Camaro, Pontiac Firebird, Chevrolet Chevette, Pontiac Phoenix, and Pontiac Sunbird. The B24HZ2 part number is also useful when verifying the correct converter against transmission code and mounting dimensions during replacement work.

This torque converter is built around a 10.200-inch diameter and 3-pad mounting pattern, with a 9.750-inch bolt circle and 0.825-inch pilot diameter. The 27-spline, slotted hub design and lock-up construction make it a direct-spec replacement choice for the listed GM fitments, including Chevrolet S10 and GMC Sonoma applications where converter code matching is required.

Vehicle Fitment

• Fits 1982-1993 Chevrolet S10, N/A
• Fits 1991-1993 GMC Sonoma, N/A
• Fits 1985-1990 Chevrolet Astro, N/A
• Fits 1982-1990 GMC S15, N/A
• Fits 1985-1990 GMC Safari, N/A
• Fits 1983-1988 Chevrolet S10 Blazer, N/A
• Fits 1983-1988 GMC S15 Jimmy, N/A
• Fits 1982-1986 Chevrolet Camaro, N/A
• Fits 1982-1986 Pontiac Firebird, N/A
• Fits 1981-1984 Chevrolet Chevette, N/A
• Fits 1977 Pontiac Phoenix, N/A
• Fits 1976-1977 Pontiac Sunbird, N/A

What This Part Helps Address

• Transmission shudder or slip related to a worn torque converter
• Incorrect stall speed affecting launch and drivability
• Lock-up clutch engagement concerns in the automatic transmission
• Fitment issues caused by mismatched converter code or hub specification
• Noise or vibration traced to converter wear or imbalance

Installation Notes and Tips

Confirm the transmission code, converter code, spline count, bolt circle, and pilot diameter before installation. For Chevrolet S10, GMC Sonoma, and other listed GM applications, verify that the replacement converter matches the original lock-up configuration and mounting style. Always inspect the flexplate, transmission seal, and related drivetrain components during service to help ensure proper converter seating and engagement.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components with application-specific specifications for accurate replacement selection. Use the part number B24HZ2 and the listed converter codes to confirm the correct unit for your vehicle before installation.