Pioneer Cables 748030 Automatic Transmission Gasket Set

Automatic Transmission Gasket Set for GM Applications

Pioneer Cables 748030 is an automatic transmission gasket set for service work on a wide range of 1969-1979 GM vehicles. It is built for transmission resealing during internal repair, including leaking transmission service that requires disassembly.

Key Features

• 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
• Supports overhaul-level transmission repair and reseal work
• Fits many Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models
• Pioneer Cables part number 748030

Detailed Description

Pioneer Transmission Repair Kits are organized into multiple service levels, and this overhaul kit is the comprehensive reseal option for transmission service. Pioneer Cables 748030 is used when the transmission is leaking or when internal service requires full disassembly and resealing. Fitment includes 1969-1979 Chevrolet Camaro, 1969-1974 Chevrolet El Camino, 1970-1978 Chevrolet Nova, 1975-1979 Pontiac Firebird, and many other GM passenger cars, vans, and trucks with the listed transmission applications. This part number, 748030, is listed for broad GM coverage with application-specific notes for THM250C/M31, THM350, and THM350C where noted.

What This Product Helps Address

• Transmission fluid leaks from aged gaskets and seals
• Resealing after internal transmission disassembly
• Service work on worn pan gasket and sealing surfaces
• Replacement of hardened O-rings, lip seals, and sealing rings
• Overhaul preparation on listed GM automatic transmissions

Installation Notes and Tips

Verify transmission code and application notes before ordering, especially on vehicles with THM250C/M31, THM350, or THM350C references. Clean all sealing surfaces thoroughly before assembly and inspect hard parts for wear, scoring, or damage that could affect sealing. Confirm the vehicle year, make, model, and transmission variant against the fitment list for proper selection.

Quality Assurance

Pioneer Cables supplies transmission repair kits as pre-packaged service solutions for resealing and overhaul work. Part number 748030 is cataloged for application-specific transmission service across the listed GM vehicles.