Option: (AT), 4x4, 5.3L, 8 speed, opt M5U
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This used 2018 GMC Sierra 1500 5.3L transmission is a grade B replacement from a donor GMC Sierra 1500 built for 2018, with about 58,873 - 67,704 mi on the donor vehicle. The listed option is (AT), 4x4, 5.3L, 8 speed, opt M5U. Use that 5.3L size and the option code with the VIN so the transmission matches the sensors, wiring, and computer in the vehicle. This unit is priced at $4,492 and is offered in stock for shipping. State Auto Parts inspects used GMC Sierra 1500 transmissions and grades each one before it is listed. Free shipping is available to commercial addresses in the lower 48 states, and residential delivery can be arranged.
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Great quality transmission at an unbeatable price. Shipping was fast and the part arrived well-packaged. Customer service was very helpful when I had questions. Will definitely buy from here again!
Good quality part with excellent customer support. The only reason I'm giving 4 stars instead of 5 is the delivery took a day longer than expected, but the quality makes up for it.
Engine performs fine once installed, but the freight carrier rescheduled twice and the harness clips needed cleanup. Worth it for the price if you can tolerate a little extra prep.
