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    • Turbo 400 | 3L80

    Transmission parts and rebuild kits for the GM Turbo 400 / 3L80 automatic transmission family: 307 parts from Sonnax, Precision International, Alto Products Corp and Raybestos Powertrain and other makers.

    Shop by part type: Drums, Rebuild Kits, Gaskets, Seals & O-Rings, Friction Plates & Modules, Steel Plates & Modules, Bands, Bushings, Bearings & Washers, Filters & Service Kits, Servos & Accumulators, Pumps & Pump Parts, Valve Bodies & Parts, Hard Parts, Hardware, Cases & Housings, Speedometer Gears & Housings, Torque Converters, Technical Repair Manuals, Performance Parts.

    Every product page shows the live stock count from our warehouse. In-stock orders placed by 3 PM Eastern, Monday to Friday, ship the same day, and orders over $35 ship free within the contiguous US.

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