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Home >> GMC Truck >> 1989 >> K 3500 Truck 4WD V8-454 7.4L >> Parts and Labor >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Extension Housing >> Parts Information

Parts Information

PartManufacturerOEM Part #PriceNotes
THM 400-475 (3L80-3L80HD)
Extension AssemblyGMO8679979137.01Contact Dealer for most current part and price information.
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