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Home GM 400 Transmission

GM 400 Transmission

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            Shop GM 400 Transmissions Near Greensboro-High Point NC

            The GM 400, also called TH400, came out back in 1964. It quickly became a mainstay of GM cars -- Buick and Cadillac initially, then Chevrolet and Oldsmobile soon after. Eventually, in the 1970s, it'd find its way into the brand's heavy-duty trucks, those with both two-wheel and four-wheel drive (2WD or 4WD).

            By 1990, GM would change its name to 3L80, denoting three speeds, its longitudinal positioning (in-line, basically), and its 8,000-pound gross vehicle weight rating). Soon after, an overdrive version would come out: the 4L80-E, an electronically controlled model mainly used in heavy-duty vehicles.

            Put simply, you can see why it's one of the most sought-after three-speed automatic transmissions ever made. For one, its modern iterations are compatible with most crate engines -- meaning, they can drive some serious power. Of course, it's also got better shift calibrations, plus heavy-duty clutches, upgraded sprags, and an updated pan and drain plug. And if you're looking to buy one online for a repair or restoration project, you've come to the right GM parts store.

            Buy from Us at GM Wholesale Direct in Winston-Salem

            The 400 transmission models we sell, they're genuine GM. That means both top-quality and guaranteed to fit. They're also priced lower than MSRP -- a lot of times, discounted pretty steeply. Above all, they're warranty-backed; you can buy with confidence and enjoy peace of mind.

            Order now, and we'll ship fast, anywhere in the US, here in North Carolina or otherwise. Contact us if you have any questions.