Stock Replacement
OE-style remanufactured replacement for dependable everyday operation.
Built by AMPRO · Dyno Tested · VIN Verified
Your 6L80.
Built right.
Choose a dependable stock replacement or an upgraded AMPRO build for towing, hard work, or performance. We verify your exact application before shipment.
Nationwide shippingProgramming includedDirect technical support
Real AMPRO 6L80 buildExact configuration verified by VIN
VIN-Verified FitmentApplication checked before shipment
Fully Dyno TestedBuilt and tested by AMPRO
Nationwide DeliveryCommercial and residential shipping
Support After the SaleProgramming, installation and warranty help
One family. The right build for your vehicle.
Choose how your 6L80 needs to work.
AMPRO recommends builds by vehicle application, weight, use, and power adders—not by a one-size-fits-all horsepower number.
Stage 1
For hardworking trucks, long-distance hauling, and towing applications.
Stages 2–4
Application-matched builds for naturally aspirated and power-adder cars, trucks, and SUVs.
A straightforward buying process
From VIN to delivery.
Submit Your VIN
Tell us what you drive and how the vehicle is used.
Confirm Application
We verify fitment, configuration, and programming needs.
Choose Your Build
Select stock or upgraded options and your warranty.
Ship or Deliver
Nationwide shipping or eligible Milwaukee and Chicago-area delivery.
Warranty options
Coverage that follows the transmission.
Standard Warranty
3-Year Unlimited MileageIncludes labor reimbursement up to $50 per hour, subject to written warranty terms.
Premium Warranty
5-Year Unlimited MileageIncludes labor reimbursement up to $100 per hour, subject to written warranty terms.
Ready when you are
Start with your VIN.
An AMPRO specialist will verify the application, availability, build options, programming needs, and delivery choices.