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Remanufactured 6L80 Price Comparison

Alternative Name: 6L80E, 6L80-E, Hydra-Matic

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Upfront Cost
5 Year
In Store
3 Year
In Store
3 Year
In Store
3 Years

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About Our Remanufactured 6L80 Transmission

We have the largest inventory of used 6L80 transmissions and remanufactured 6L80 transmissions in the automotive industry. Since our company was founded, we have been completely customer focused with the intention to give everyone access to the absolute best replacement transmissions. When you search for a 6l80e transmission for sale, we are here to provide you with the necessary information to make the best decision possible as to which transmission is best for you, not us. Our 6l80 transmission inventory consists of used and remanufactured models that can be shipped fast and free straight to your commercial address with just a few clicks of a mouse.

Regarding our remanufacturing process, we completely tear down and reassemble every used 6l80e transmission that comes through our warehouse doors. Each 6L80-E transmission is inspected, cleaned, and has every component within it replaced with new crate parts or completely rebuilt parts. In doing so, our remanufactured 6l80 transmissions are significantly more reliable than their used or rebuilt counterparts. The option of using the original equipment manufacturer (OEM) parts for our transmissions and powertrain replacements make our refurbished and reconditioned transmissions a smart move for street and strip racers who want a stock replacement. If you want a professional repair and rebuild, give us a call for a quote. We are your source for any part needed for your hotrod needs.

On top of our advanced remanufacturing processes, we offer a warranty for every single transmission that we sell. Whether it is a remanufactured 6l80e transmission, rebuilt 6l80 transmission, or even a used 6l80-e transmission, when you buy it from Reman-Transmission you know it will be a quality component for your vehicle’s drivetrain that comes with a warranty to back it up.

6L80 Transmission Remanufacturing Process

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Excellent Customer Support
Up to 5 Years Unlimited Miles Warranty
No Core Charge for 30 Days

Our 6L80 transmission Upgrades

Fluid pump is fully detailed with resurfaced pump rotor mating surfaces and machined pump body mating surfaces to maintain correct fluid pressures.

Late style stator support shaft with updated seal rings used exclusively in all units to eliminate seal leakage.

Upgraded 38-element low sprag installed in all units to increase holding capacity.

All-new custom-spec bushings to improve internal fluid flow control and pressures.

Fully remanufactured torque converter is tested for leaks, lockup, concentricity, and balance. Upgrades exceed OE requirements and eliminate the possibility of front seal leaks, premature bushing wear, and vibration.

Boost sleeves and planetary covers are replaced.

Updated drums are used to prevent cracking at the welds.

Bushings and machined surfaces polished to a mirror-like OE finish of 15 RA or less.

Tru-Flat qualification process applied to transmission case, valve body, pump, and channel plate prevent cross leaks and pressure losses.

Every transmission is cold-and hot-tested using a proprietary dynamometer testing program that includes fully synthetic automatic transmission fluid and a filtration system.

6L80 Frequently Asked Questions

6L80 History & Information

The American made GM 6L80 transmission took the place of the 4L60-E, 4L65-E, 4L70-E, 4L80-E and 4L85-E, but it had some big shoes to fill. GM needed an affordable yet modern automatic transmission to take the place of legends such as the TH400 and 4L60-E in its American cars. The 6L80-E was designed for powerful generation III+ V8 engines which often appeared in GM’s various trucks, SUVs, Corvettes, Camaros, and Cadillacs. GM approved the 6L80 for use in a vehicle weighing up to 8,600 pounds or those with a gross weight of 14,000 pounds.

The 4L60E, the 6L80's predecessor, was a four-speed medium-duty transmission, while the 6L80 is a six-speed medium-duty transmission that was designed for higher horsepower vehicles. The 6l80e has an RPO code of "MYC" and is manufactured in Ypsilanti, Michigan. The transmission uses direct clutch-to-clutch shifting and does not have bands. It has a deep first gear for powerful starts from a standstill. It features this gear ratio specification, which makes it compatible with the racing industry and highway driving:

  • First gear: 4.02
  • Second gear: 2.36
  • Third gear: 1.53
  • Fourth gear: 1.15
  • Fifth gear: .85
  • Sixth gear: .67

The tall overdrive gear allows for low RPM highway cruising, which conserves fuel. The 6L80's input torque is 440 foot-pounds while the maximum output torque is one of the best at 664 foot-pounds. As with most GM transmissions, the Turbo-Hydramatic 6L80 uses Dextron VI transmission fluid and, depending on the application, uses anywhere from 10 to 12.6 quarts. You can choose to use a 258mm or 300mm torque converter with this transmision. The 6L80 is the perfect companion for GM's LS and LSX crate engines in two-wheel drive configurations. The modular design ensures common components for the four transmissions in the six-speed family. All of the versions use an input planetary gear set and two output gear sets, which makes them easy to service. One pair meshes with the ring gear and the other meshes with the sun gear.

Features found on the 6L80 include performance algorithm braking, driver shift control, and an advanced control system with a 32-bit control module inside the transmission. Since the module is inside the transmission, you don't need additional steps to install it, making it a great drop in. The control module compensates for normal wear and tear in the clutch plates and other components so that your 6l80e performs consistently throughout the life of the transmission.

When you are looking for the reliability of a TH-400 in a six-speed transmission – and one that will handle the horsepower and torque zone you're ready to throw at it, the 6L80E fits the bill. The TH-400 transmissions could handle the high torque of a truck and were mostly found in trucks in its heyday. Now you can have a lighter transmission and one that gets better gas mileage in a format that allows great standing stop takeoffs and better fuel economy for highway driving.

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6L80 Transmission Compatibility Chart
CadillacEscalade ESV20072015
CadillacEscalade EXT20072013
ChevroletAvalanche 150020092013
ChevroletSilverado 150020092016
ChevroletSuburban 150020092016
GMCSierra 150020092016
GMCSierra Denali20072010
GMCSierra Denali 150020112015
GMCYukon XL 150020072015
Free Shipping
Excellent Customer Support
Up to 5 Years Unlimited Miles Warranty
No Core Charge for 30 Days
Diagnostic Codes for 6L80 Transmissions
P0711Transmission Fluid Temperature Sensor Circuit Range/Performance
P0712Transmission Fluid Temperature Sensor Circuit Low Input
P0713Transmission Fluid Temperature Sensor Circuit High Input
P0714Transmission Fluid Temperature Sensor Circuit Intermittent
P0715Input/Turbine Speed Sensor Circuit
P0716Input/Turbine Speed Sensor Circuit Range/Performance
P0717Input/Turbine Speed Sensor Circuit No Signal
P0718Input/Turbine Speed Sensor Circuit Intermittent
P0720Output Speed Sensor Circuit
P0721Output Speed Sensor Circuit Range/Performance
P0723Output Speed Sensor Circuit Intermittent
P0741Torque Converter Clutch Circuit
P0742Torque Converter Clutch Circuit Stuck On
P0751Shift Solenoid A Performance or Stuck Off
P0752Shift Solenoid A Stuck On
P0756Shift Solenoid B Performance or Stuck Off
P0757Shift Solenoid B Stuck On
P0776Pressure Control Solenoid B Performance or Stuck Off
P0777Pressure Control Solenoid B Stuck On
P0796Pressure Control Solenoid C Performance or Stuck off
P0965Pressure Control Solenoid B Control Circuit Range/Performance
P0966Pressure Control Solenoid B Control Circuit Low
P0967Pressure Control Solenoid B Control Circuit High
P2715Pressure Control Solenoid D Stuck On
P2723Pressure Control Solenoid E Stuck Off
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