Specifications
The used 6L80 transmission delivers the perfect blend of power handling, precision shifting, and long-term durability. Whether you’re restoring a classic, upgrading your daily driver, or enhancing a high-performance build, our OEM-tested used and remanufactured 6L80 transmissions are engineered to exceed expectations. Each unit undergoes a thorough inspection, multi-point testing, and calibration to guarantee smooth engagement, strong torque capacity, and dependable operation. Installation-ready and budget-friendly, these transmissions offer the best reliability with performance-ready capability.
The GM 6L80 stands as a benchmark in modern automatic transmission technology. Built on a robust architecture with a wide gear ratio spread, it delivers crisp shifts, improved fuel efficiency, and outstanding torque management. Designed to handle up to 430 lb-ft of torque, the 6L80 features clutch-to-clutch shifting, integrated TCM (Transmission Control Module), and an advanced adaptive learning system that fine-tunes performance to match your driving style. Lightweight, strong, and engineered for precision, it’s a transmission built for real-world performance.
Transmission Variant
6L80 Automatic Transmission
Experience the perfect mix of strength and refinement with the 6L80 automatic transmission. Its 6-speed design optimizes acceleration while maintaining smooth, continuous power delivery. The advanced geartrain and high-capacity clutches ensure confident shifting under heavy loads or high-speed demands. Whether you’re hauling, racing, or cruising, the 6L80 adapts effortlessly with its smart electronics and a rugged hydraulic system built for longevity.
GM 6L80 Transmission
The GM 6L80 transmission is a 6-speed automatic gearbox introduced by General Motors in 2005. The GM 6L80 remains one of the most trusted transmissions in modern automotive engineering. Designed for trucks, performance cars, and SUVs, it delivers durable construction, intelligent shift logic, and exceptional power transfer. Every component from the torque converter to the valve body is optimized for peak performance, reliability, and efficiency. More than a transmission it’s the backbone of a powerful, responsive, and dependable driving experience.
Frequently Asked Questions
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Which engines are commonly paired with the 6L80?
It’s frequently used with 5.3L, 6.2L, and LS-based V8 engines across GM trucks, SUVs, and sports cars.
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What symptoms indicate a failing 6L80 transmission?
Common signs include slipping gears, delayed engagement, overheating, harsh shifts, or torque converter shudder.
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Does the 6L80 require programming after installation?
Yes. The TCM often needs relearning or flashing to sync with the vehicle’s ECM.
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Is the 6L80 suitable for performance builds?
Absolutely. With proper tuning, it supports high horsepower and LS swap projects.
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Are 2WD and 4WD 6L80 transmissions interchangeable?
No. Output shafts, tail housings, and transfer case connections differ based on drivetrain type.
6L80 Transmission
