Shop used and remanufactured GMC 6L90E Transmissions on MyLittleSalesman.com . Compare active listings with prices from $1,750 to $2,300. Sellers include LKQ Heavy Truck, Vander Haag's, and Rydemore Heavy Duty Truck Parts. Filter by condition, price, or year to find the GMC 6L90E Transmission that fits your job.