Pioneer Cables 748033 Automatic Transmission Gasket Set

Automatic Transmission Gasket Set for THM325 Applications

Pioneer Cables 748033 is an automatic transmission gasket set for service work on select Buick, Cadillac, and Oldsmobile applications. It is built for transmission repair jobs that require disassembly and resealing, including leaking transmission repairs.

Key Features

• Automatic transmission gasket set for internal reseal service
• Includes gaskets, seals, O-rings, pan gasket, rubber lip seals, metal clad seals, sealing rings, and other application-specific components
• Supports transmission repair on select THM325/M32 applications
• Fits 1979-1981 Buick Riviera, N/A
• Fits 1980-1981 Cadillac Eldorado, N/A
• Fits 1980-1981 Cadillac Seville, N/A
• Fits 1979-1981 Oldsmobile Toronado, N/A
• Fits 1979 Cadillac Eldorado, N/A, only fits THM325/M32

Detailed Description

This Pioneer Cables 748033 transmission gasket set is a pre-packaged repair solution for automatic transmission service where the unit must be opened and resealed. It is suited for select Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado models, with 1979 Cadillac Eldorado coverage limited to THM325/M32 applications. Use this kit when servicing a leaking transmission or performing internal reseal work on the listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Uses

• Transmission fluid leaks from gasket or seal failure
• Internal reseal service after transmission disassembly
• Pan gasket replacement during transmission maintenance
• Worn O-rings, sealing rings, or lip seals
• Service work on THM325/M32-equipped Cadillac Eldorado applications

Installation Notes and Tips

Confirm transmission identification before ordering, especially on the 1979 Cadillac Eldorado, which is listed only for THM325/M32. Clean all sealing surfaces thoroughly before assembly and inspect related hard parts for wear or damage during teardown. Match each gasket and seal to the original transmission layout during reassembly.

Quality Assurance

Pioneer Transmission Repair Kits are offered as application-specific service kits with components selected for comprehensive transmission resealing. Part number 748033 is intended for professional-grade repair work on the listed Buick, Cadillac, and Oldsmobile applications.