Remanufactured 4L80E / 4L85E Transmissions
Get A 4L80E Transmission + Install Quote
Ship Direct To Repair Shop
We provide an out-the-door price, with shipping, for a replacement remanufactured 4L80E transmission direct to the repair shop.
4L80E Transmissions At Wholesale Prices
At Street Smart, we provide remanufactured transmissions shipped factory direct at wholesale prices to save you money.
Ships with Synthetic Fluid
Ships with Pennzoil Platinum LV Multi-Vehicle ATF Synthetic Transmission Fluid
Buy Factory Direct and Save!
Save an average of $350 – $1200 than buying through a dealer or repair shop!
Learn more about Shipping, Warranty, Core Returns, and Ordering from Street Smart
How Street Smart Transmission Works
1. Request An Estimate
Select your vehicle above to receive estimate. We will display an out-the-door price for a replacement remanufactured transmission, along with local installation estimate, shipped free to one of our recommended installers or your mechanic.
2. Order Factory Direct & Save
Buy factory direct wholesale and save an average $350 to $1200 vs. buying through shops or dealers. Special Financing available through PayPal Credit. All transmissions come with a 3 year, unlimited mile, parts and labor, nationwide warranty.
3. Free Ship + No Core Charge
*Residential delivery add $200. We do not ship to AK, HI, PR or International.
**Excluding Dodge Diesel 48RE, 65RFE & 68RFE models.
4. Free Core Pickup
Your mechanic installs your new transmission, and places your old transmission (core) into our reusable shipping container. You let us know when your vehicle is done, and we’ll send a truck to pick up the core free, within 24 hours.
Our 4L80E Updates and Upgrades
► Fully remanufactured valve body, with complete system correction and recalibration kit, improves pressure control and shift quality.
► Upgraded actuator feed limit valve prevents missing shifts and premature transmission failure.
► Upgraded 34 element intermediate sprag increases holding capacity.
► All-new shift solenoids ensure positive shifting.
► EPC solenoid is tested separate from the transmission to confirm precise pressure control.
► Case connector is updated to the latest design on pre-1994 versions, and a vehicle harness pigtail is provided to address connection issues with the early design.
► Updated force motor for improved pressure control.
► Updated pressure regulator prevents overly high pressure.
► No Walkout rear case bushing is installed, addressing an OE flaw, to prevent case and output shaft damage.
► Fully remanufactured torque converter is tested for leaks, lock-up, concentricity, and balance. Upgrades exceed OE requirements and eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
► All new, bushings installed in key locations to improve internal fluid flow control and fluid pressures.
► Complete system correction and recalibration kit installed to address several OE flaws. Modifications include updates to servos, the PR system, and valve body accumulators.
► Complete road simulation using a dynamometer testing program called C.A.R.S. (Computer Aided Road Simulation). Every transmission is cold and hot tested before shipment.
4L80E / 4L85E Vehicle Applications
How Many Variations of the 4L80E?
There are many different variations of the 4L80E (so we have many different part numbers!). Each one for a different engine size (bellhousing), 4WD vs. 2WD and varying electronic and solenoid systems for different years.
Only certain models will interchange with others, which is why we ask for your 17-digit VIN# when you order so we are 100% sure it is the matching unit for your vehicle!
Remanufactured 4L80E vs. Rebuilt or Used
3 Year, Unlimited Miles Nationwide Warranty
Parts & Labor Coverage
Our commitment to delivering excellent service doesn’t end at the closing of the sale! Should you have any questions or concerns about your Street Smart transmission, our Product Support Team is only a phone call away.
So what does a No Hassle Warranty really mean?
• You’re covered for 3 years, unlimited miles.
• Your warranty attaches to your vehicle and transfers to new owners.
• You’re covered anywhere in the continental United States.
• You’re back on the road fast; we send you a replacement transmission. as soon as your warranty diagnosis submitted!
• We pay labor to the shop installing your replacement transmission.
Labor Warranty Defined: Up to $50/hour MItchell book hours for removal and re-installation. Must be initially installed at an auto repair shop for labor warranty to be valid. Auto repair shop is defined as repair shop whose primary business is automotive repair and provides auto repair service to the general public, and the initial install is done on a repair order.
Commercial Application Defined: Vehicles of larger than one ton (F450/F550, 4500/5500 series, motorhomes), transportation for hire (taxis, shuttles, bus, limo) delivery service, business-owned commercial-use vehicles, police/emergency vehicles, tow trucks.
A Day in the Life of a Transmission Video
Learn more about Shipping, Warranty, Core Returns, and Ordering Works
Our Recent Reviews
We let our reviews speak for us.
4L80E / 4L85E Diagnostic Trouble Codes
|P0711||Transmission Fluid Temperature Sensor Circuit Range/Performance|
|P0712||Transmission Fluid Temperature Sensor Circuit Low Input|
|P0713||Transmission Fluid Temperature Sensor Circuit High Input|
|P0714||Transmission Fluid Temperature Sensor Circuit Intermittent P0715|
|P0715||Input/Turbine Speed Sensor Circuit|
|P0716||Input/Turbine Speed Sensor Circuit Range/PerformanceÂ|
|P0717||Input/Turbine Speed Sensor Circuit No Signal|
|P0718||Input/Turbine Speed Sensor Circuit Intermittent|
|P0720||Output Speed Sensor Circuit|
|P0721||Output Speed Sensor Circuit Range/Performance|
|P0723||Output Speed Sensor Circuit Intermittent|
|P0729||Gear 6 Incorrect Ratio|
|P0730||Incorrect Gear Ratio|
|P0731||Gear 1 Incorrect Ratio|
|P0732||Gear 2 Incorrect Ratio|
|P0734||Gear 4 Incorrect Ratio|
|P0735||Gear 5 Incorrect Ratio|
|P0740||Torque Converter Clutch Circuit Malfunction|
|P0741||Torque Converter Clutch Circuit|
|P0742||Torque Converter Clutch Circuit Stuck On|
|P0744||Torque Converter Clutch Circuit Intermittent|
|P0748||Pressure Control Solenoid 'A' Electrical|
|P0750||Shift Solenoid 'A'|
|P0751||Shift Solenoid 'A' Performance or Stuck Off|
|P0752||Shift Solenoid 'A' Stuck On|
|P0753||Shift Solenoid 'A' Electrical|
|P0755||Shift Solenoid 'B'|
|P0756||Shift Solenoid 'B' Performance or Stuck Off|
|P0757||Shift Solenoid 'B' Stuck On|
|P0758||Shift Solenoid 'B' Electrical|
|P0767||Shift Solenoid 'D' Stuck On|
|P0776||Pressure Control Solenoid 'B' Performance or Stuck Off|
|P0777||Pressure Control Solenoid 'B' Stuck On|
|P0796||Pressure Control Solenoid 'C' Performance or Stuck off|
|P0850||Park/Neutral Switch Input Circuit|
|P0897||Transmission Fluid Deteriorated|
|P0965||Pressure Control Solenoid B Control Circuit Range/Performance|
|P0966||Pressure Control Solenoid B Control Circuit Low|
|P0967||Pressure Control Solenoid B Control Circuit High|
|P0973||Shift Solenoid A Control Circuit Low|
|P0976||Shift Solenoid B Control Circuit Low|
|P0977||Shift Solenoid B Control Circuit High|
|P0979||Shift Solenoid C Control Circuit Low|
|P0980||Shift Solenoid C Control Circuit High|
|P0982||Shift Solenoid D Control Circuit Low|
|P0983||Shift Solenoid D Control Circuit High|
|P0984||Shift Solenoid E Control Circuit Range/Performance|
|P2715||Pressure Control Solenoid D Stuck On|
|P2723||Pressure Control Solenoid E Stuck Off|
4L80E / 4L85E History
The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series includes 4 forward gears. It is an evolution of the Turbo-Hydramatic 400, first produced in October, 1963. 4L80-Es have been optioned only in Chevrolet/GMC heavy duty pickups, vans, and commercial vehicles, and the Hummer H1, with the exception of certain Rolls-Royce, Bentley, Jaguar and Aston Martin models.
The 4L80 and 4L85 were built at Willow Run Transmission in Ypsilanti, Michigan.
The “MN8” 4L85-E is able to handle vehicles with up to 460 ft·lbf (624 N·m) of torque. Final drive ratios include 3.42, 3.73, and 4.10.
The “MT1” 4L80-E is able to handle engines with up to 440 ft·lbf (597 N·m) of torque. Final drive ratios include 3.42, 3.73, and 4.10.
The 4L80E and 4L85E was rated to max GVWR of 18,000 (Axle and vehicle dependent).
4L85E transmissions have issues with early style 12 pin harnesses in which transmission fluid leaks around the harness and shorts the pinouts causing transmission to go into “limp mode” This issue can be easily rectified by simply cleaning the plug.
The 4L80E/4L85E transmission was replaced by the 6L80/90 transmission in new models around 2005.