Nationwide buyers
Nationwide shipping and warranty coverage, with direct AMPro support. We verify your exact application before shipment and review programming needs where applicable.
Built by AMPro • Dyno Tested • VIN/Application Verified
6L80 Remanufactured Transmission
Transmission Identified
Stock Replacement or four AMPro Performance Stages. Choose your build and warranty with the people who remanufacture your transmission.
Exact transmission application verified by AMPro before shipment.
Nationwide shipping • Milwaukee/Chicago-area local delivery where applicable
Your build. Your warranty.Standard: 3 years • $50/hr labor reimbursementPremium: 5 years • $100/hr labor reimbursementUnlimited mileage with either option.
Milwaukee & Chicago-area buyers
Local delivery is available where applicable. Call or text AMPro to discuss delivery and Transmission + Installation options for your location.
AMPro Transmission Finder™
Check your vehicle
Verify fitment, choose your build and warranty, and request a quote.- 1 Your vehicle
- 2 Your details
- 3 Review
The AMPro build
What's Included in Every AMPro 6L80
Stock Replacement is the foundation. Performance Stages add the components listed above.
- VIN programmed with OEM GM software
- Stock torque converter (Total Chicago or LuK)
- Cooler line gasket
- Transfer case gasket
- Cooler bypass kit when applicable
- TransGo OE PR & Boost Valve
- TransGo Oversized AFL Valve when needed
- TEHCM remanufactured in-house
- Valve body dyno-tested
- New pressure switches
- CNC resurfaced bellhousing
- CNC resurfaced stator with updated non-rotating rings
- Updated GM 1234 / 35R drum
- Fully dyno-tested
Stock Replacement includes the stock torque converter (Total Chicago or LuK). Stages 1–4 include the Billet Torque Converter in its place.
The people behind your transmission
Built here. Supported here.
Built by AMPro
Your transmission comes from the people who remanufacture it. AMPro brings hands-on transmission building and application support together—from our Wisconsin shop to your vehicle.
Application Verification
Identifying a transmission family does not by itself guarantee interchangeability. AMPro verifies your exact vehicle application before shipment.
Warranty
Standard Warranty: 3-Year Unlimited-Mileage Warranty with $50/hr Labor Reimbursement. Premium Warranty: 5-Year Unlimited-Mileage Warranty with $100/hr Labor Reimbursement.
Programming
Your AMPro 6L80 is VIN programmed with OEM GM software. AMPro verifies the exact vehicle application before shipment.
Shipping & Local Delivery
Nationwide shipping is available, with local delivery in the Milwaukee and Chicago areas where applicable. AMPro will confirm the options for your location.
Core Return
A core return may be required. AMPro will explain the core-return requirements for your transmission when preparing your quote.
Dyno Tested
Every AMPro 6L80 is fully dyno-tested. The valve body is also dyno-tested as part of the documented 6L80 build.
TEHCM & Valve Body
The 6L80 TEHCM is remanufactured in-house. The documented build includes new pressure switches, a TransGo OE PR & Boost Valve, and a TransGo Oversized AFL Valve when needed.
Machining & Updates
AMPro’s 6L80 build includes a CNC-resurfaced bellhousing and stator, updated non-rotating rings, and an updated GM 1234 / 35R drum.
Technical Support
Speak directly with AMPro about your transmission application, programming where applicable, and warranty support.
Standard: 3-Year Unlimited-Mileage Warranty / $50/hr labor reimbursement. Premium: 5-Year Unlimited-Mileage Warranty / $100/hr labor reimbursement.
Claims are handled directly by AMPro. Coverage is subject to the terms and conditions of the applicable AMPro written warranty provided with the transmission. View warranty overview.
Let’s find your next transmission.
Your vehicle and how you use it guide the build.