Restore smooth shifting and reliable performance with ATK Remanufactured GM Automatic Transmissions—built to deliver OEM-quality operation and long-term durability for your GM truck, SUV, or performance car. Whether you're replacing a worn-out factory unit or upgrading for peace of mind, ATK transmissions are engineered for precision, strength, and seamless compatibility.

Each ATK transmission goes through a comprehensive remanufacturing process that includes complete disassembly, cleaning, inspection, and replacement of all critical components. High-wear parts such as clutches, seals, and bushings are replaced with new, and every unit is rigorously dyno-tested to ensure reliable functionality before it leaves the facility.

Perfect for restorations, daily drivers, or work vehicles, these reman transmissions are designed to match original factory specs, allowing for easy installation with no guesswork. Whether you're cruising in a Camaro, towing with a Silverado, or restoring a classic Suburban, ATK has a transmission solution that fits your needs.

One of the most popular options in this lineup is the ATK Engines Remanufactured GM 4L60E RWD Automatic Transmission, known for its dependability and wide compatibility across GM rear-wheel-drive platforms. This transmission offers smooth gear transitions and durability under load, making it ideal for both stock and lightly modified setups.

Backed by ATK's legacy of engine and drivetrain excellence, these remanufactured GM automatic transmissions offer an affordable, reliable alternative to brand-new units—without sacrificing performance. Get your GM vehicle back on the road with confidence—powered by precision, tested for trust.