Pioneer Cables 748031 Automatic Transmission Gasket Set

Automatic Transmission Gasket Set for THM350C Service

Pioneer Cables 748031 is an automatic transmission gasket set for transmission reseal and internal service work. It is built for applications that require disassembly and resealing, including leaking transmission repairs on select GM cars and trucks.

Compatible With 1980-1986 Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac applications listed below, including THM350C-equipped models such as the 1984 Oldsmobile Cutlass Ciera and 1982 Pontiac Parisienne.

• Automatic transmission gasket set for resealing service
• Includes gaskets, seals, O-rings, pan gasket, rubber lip seals, metal clad seals, sealing rings, and other application-specific components
• For leaking transmission repairs and internal service requiring teardown
• Fits a wide range of GM rear-wheel-drive cars and light trucks
• Pioneer Cables part number 748031

Fitment Details

• Fits 1986 Chevrolet C10, N/A
• Fits 1982-1984 Chevrolet C10, N/A
• Fits 1986 Chevrolet C20, N/A
• Fits 1982-1984 Chevrolet C20, N/A
• Fits 1986 Chevrolet C20 Suburban, N/A
• Fits 1982-1984 Chevrolet C20 Suburban, N/A
• Fits 1986 Chevrolet C30, N/A
• Fits 1986 Chevrolet G10, N/A
• Fits 1982-1984 Chevrolet G10, N/A
• Fits 1986 Chevrolet G20, N/A
• Fits 1984 Chevrolet G20, N/A
• Fits 1982 Chevrolet G20, N/A
• Fits 1986 Chevrolet K10, N/A
• Fits 1982-1983 Chevrolet K10, N/A
• Fits 1986 Chevrolet K20 Suburban, N/A
• Fits 1986 Chevrolet K5 Blazer, N/A
• Fits 1982 Chevrolet K5 Blazer, N/A
• Fits 1986 GMC C1500, N/A
• Fits 1982-1984 GMC C1500, N/A
• Fits 1986 GMC C2500, N/A
• Fits 1982-1984 GMC C2500, N/A
• Fits 1986 GMC C2500 Suburban, N/A
• Fits 1982-1984 GMC C2500 Suburban, N/A
• Fits 1986 GMC C3500, N/A
• Fits 1986 GMC G1500, N/A
• Fits 1982-1984 GMC G1500, N/A
• Fits 1986 GMC G2500, N/A
• Fits 1984 GMC G2500, N/A
• Fits 1982 GMC G2500, N/A
• Fits 1986 GMC G3500, N/A
• Fits 1986 GMC Jimmy, N/A
• Fits 1982 GMC Jimmy, N/A
• Fits 1986 GMC K1500, N/A
• Fits 1982 GMC K1500, N/A
• Fits 1980-1984 Buick Regal, N/A
• Fits 1982-1984 Chevrolet C10 Suburban, N/A
• Fits 1980-1984 Chevrolet Caprice, N/A
• Fits 1980-1984 Chevrolet El Camino, N/A
• Fits 1984 Chevrolet G30, N/A
• Fits 1982 Chevrolet G30, N/A
• Fits 1980-1984 Chevrolet Impala, N/A
• Fits 1980-1984 Chevrolet Monte Carlo, N/A
• Fits 1982-1984 GMC C1500 Suburban, N/A
• Fits 1984 Oldsmobile Cutlass Ciera, N/A, Only Fits THM350C
• Fits 1982-1984 Oldsmobile Cutlass Supreme, N/A
• Fits 1980-1984 Pontiac Bonneville, N/A
• Fits 1980-1984 Pontiac Grand Prix, N/A
• Fits 1983-1984 Pontiac Parisienne, N/A
• Fits 1980-1983 Buick LeSabre, N/A
• Fits 1980-1983 Chevrolet Malibu, N/A
• Fits 1980-1983 Oldsmobile 98, N/A
• Fits 1980-1983 Oldsmobile Custom Cruiser, N/A
• Fits 1981-1983 Oldsmobile Cutlass Cruiser, N/A
• Fits 1980-1983 Oldsmobile Delta 88, N/A
• Fits 1982 Cadillac DeVille, N/A
• Fits 1982 Cadillac Fleetwood, N/A
• Fits 1982 Chevrolet K10 Suburban, N/A
• Fits 1982 GMC K1500 Suburban, N/A
• Fits 1982 Pontiac Parisienne, N/A, Only Fits THM350C
• Fits 1980-1981 Buick Century, N/A
• Fits 1981 Chevrolet Bel Air, N/A, Only Fits THM350C
• Fits 1980-1981 Chevrolet Camaro, N/A
• Fits 1981 Chevrolet Corvette, N/A
• Fits 1981 Chevrolet K20, N/A
• Fits 1980-1981 Oldsmobile Cutlass, N/A
• Fits 1980-1981 Pontiac Catalina, N/A
• Fits 1981 Pontiac Firebird, N/A
• Fits 1980-1981 Pontiac LeMans, N/A
• Fits 1980 Oldsmobile Cutlass Salon, N/A
• Fits 1980 Pontiac Grand Am, N/A

Common Repair Uses

• Transmission fluid leaks at gasket or seal interfaces
• Service work that requires transmission disassembly and resealing
• Pan gasket replacement during transmission maintenance
• Seal and O-ring renewal on THM350C applications
• Restoration or repair of GM automatic transmission assemblies

Installation Notes

Verify transmission type before ordering, especially on applications marked Only Fits THM350C. Match the gasket set to the exact vehicle and transmission code, and inspect sealing surfaces for damage before reassembly. Clean all mating surfaces thoroughly and follow factory torque specifications during installation.

Quality Assurance

Pioneer Transmission Repair Kits are organized as pre-packaged service solutions for transmission reseal work. Part number 748031 is supplied for the listed GM applications and is intended for repair jobs where the transmission has been opened for internal service.