Pioneer Cables 748035 Automatic Transmission Gasket Set

Automatic Transmission Gasket Set for GM Applications

Pioneer Cables 748035 is an automatic transmission gasket set for service work that requires disassembly and resealing. It is built for leaking transmission repairs and other internal transmission service on a wide range of Chevrolet, Pontiac, Buick, Oldsmobile, Cadillac, and Isuzu applications.

Compatible With 1980-2000 Chevrolet Cavalier, Pontiac Sunfire, Buick Century, and related GM front-wheel-drive models, this kit supports reseal work on transmissions that use the listed 3T40, THM125/M34, and THM125C configurations where noted. Part number 748035 is a practical choice when the transmission case, pan, and internal sealing points need attention.

Key Features

• Automatic transmission gasket set for resealing service
• Used for leaking transmission repairs and internal service requiring teardown
• Includes gaskets, seals, O-rings, pan gasket, rubber lip seals, metal clad seals, sealing rings, and other application-specific components
• Coverage spans many GM compact and midsize front-wheel-drive vehicles
• Pioneer Cables part number 748035 for identification and ordering

Detailed Description

Pioneer Transmission Repair Kits are organized as pre-packaged service solutions for transmission overhaul and reseal work. This automatic transmission gasket set is intended for applications where the transmission must be opened, cleaned, and resealed to address fluid leaks or internal service needs. The fitment list includes Chevrolet Cavalier, Pontiac Sunfire, Buick Century, Pontiac Grand Am, Oldsmobile Cutlass Ciera, Pontiac Fiero, and other GM models across the 1980-2000 range. Use part number 748035 to match the correct transmission service kit to the vehicle and transmission family.

Common Repair Uses

• Transmission fluid leaks at gasket or seal surfaces
• Pan gasket seepage during service
• Internal reseal work after transmission disassembly
• Worn O-rings, sealing rings, or lip seals
• Service on transmissions that require a complete resealing kit

Installation Notes

• Verify the transmission code and application notes before ordering.
• Confirm the vehicle uses the listed transmission family, including 3T40, THM125/M34, or THM125C where specified.
• Clean all sealing surfaces thoroughly before assembly.
• Replace damaged seals and gaskets during any internal transmission service.
• Follow factory service procedures and torque specifications during reassembly.

Quality Assurance

Pioneer Cables supplies transmission repair kits as application-specific service parts for professional reseal and overhaul work. Part number 748035 is cataloged for direct fitment matching across the listed vehicles and transmission configurations.